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A1 adjective /bɛst/

best

mejor
Meaning
Of the highest quality, excellence, or standing.
Example
She is the best student in the class.
Ella es la mejor estudiante de la clase.
C2 verb /ˈbaʊdləˌraɪz/

bowdlerize

eliminar partes ofensivas
Meaning
to remove or modify parts of a text considered offensive or inappropriate
Example
The editor bowdlerized the novel to make it suitable for children.
El editor boudlerizó la novela para hacerla adecuada para los niños.
B2 noun /ˈbrændɪŋ/

branding

El proceso de crear y promover una marca o la identidad de una empresa
Meaning
The process of creating and promoting a brand or company identity.
Example
Effective branding is key to building customer loyalty.
El branding efectivo es clave para generar lealtad de los clientes.
C2 verb /bɪlk/

bilk

engañar
Meaning
To cheat or defraud someone of money or rights.
Example
The scammer tried to bilk elderly people out of their savings.
El estafador intentó engañar a las personas mayores y robarles sus ahorros.
C2 noun /bɪˈhiː.mɒθ/

behemoth

coloso
Meaning
Something enormous, especially a large and powerful organization.
Example
The company grew into a corporate behemoth.
La empresa creció hasta convertirse en un coloso corporativo.
C1 verb /ˈbæbəl/

babble

balbucear
Meaning
to talk rapidly and continuously in a foolish way
Example
The baby babbles all day long.
El bebé balbucea todo el día.
C1 noun /bɒɡ/

bog

pantano
Meaning
an area of wet, spongy ground; a swamp or marsh
Example
The hikers got stuck in a bog.
Los excursionistas se quedaron atrapados en un pantano.
C1 noun, verb /buːz/

booze

alcohol
Meaning
alcoholic drink, especially strong liquor; to drink alcohol, often excessively
Example
They bought some booze for the party.
Compraron alcohol para la fiesta.
C2 adjective /ˈbreɪsɪŋ/

bracing

refrescante
Meaning
Invigorating, refreshing, or providing strength and energy.
Example
The hikers enjoyed the bracing mountain air.
Los excursionistas disfrutaron del aire refrescante de la montaña.
B1 adjective /ˈbrɪliənt/

brilliant

brillante
Meaning
Exceptionally clever, talented, or impressive; very bright or radiant.
Example
She gave a brilliant performance on stage.
Ella dio una actuación brillante en el escenario.
B2 noun /ˈboʊlər/

bowler

lanzador
Meaning
a person who delivers the ball in cricket; also a type of hard felt hat with a rounded crown
Example
The bowler took three wickets in the first over.
El lanzador tomó tres wickets en el primer over.
C1 noun /blæk sɔːlt/

Black Salt

sal negra
Meaning
a type of rock salt with a distinctive sulfuric flavor, commonly used in Indian cuisine
Example
Add a pinch of black salt to enhance the flavor of the fruit salad.
Agregue una pizca de sal negra para mejorar el sabor de la ensalada de frutas.
B2 noun /ˈbrɔːd.bænd/

broadband

banda ancha
Meaning
a high-capacity transmission technique using a wide range of frequencies.
Example
Broadband internet has become a necessity in modern homes.
Internet de banda ancha se ha convertido en una necesidad en los hogares modernos.
B1 phrase bɛst ˈɛf.ərt

best effort

mejor esfuerzo
Meaning
The maximum amount of effort or energy that someone can give.
Example
He gave his best effort to complete the task on time.
Él dio su mejor esfuerzo para completar la tarea a tiempo.
C2 noun /ˈbɔːbəl/

bauble

adorno pequeño
Meaning
A small, decorative trinket or ornament, often of little value.
Example
She wore a shiny bauble around her neck.
Ella llevaba un adorno pequeño y brillante alrededor de su cuello.
C1 adjective /ˈbaɪtɪŋ/

Biting

mordiendo; frío intenso; crítico agudo o áspero
Meaning
extremely cold; sharply critical or harsh
Example
The biting cold made everyone shiver.
El frío mordaz hizo que todos temblaran.
B2 noun /briz/

Breeze

brisa
Meaning
a gentle wind; something that is achieved with ease
Example
The cool ocean breeze made the hot summer day more pleasant.
La fresca brisa marina hizo el día caluroso de verano más agradable.
C1 verb /bruːd/

brood

pensar profundamente, grupo de pajaritos recién nacidos
Meaning
to think deeply about something that makes one unhappy; also, a group of young birds hatched at the same time
Example
He sat alone, brooding over his failures.
Él se sentó solo, pensando profundamente sobre sus fracasos.
C1 adjective /ˈbaʊn.tɪ.fəl/

bountiful

abundante / generoso
Meaning
Large in quantity; abundant; generous in giving.
Example
The farmer was grateful for the bountiful harvest.
El agricultor estaba agradecido por la abundante cosecha.
C2 verb /ˈblændɪʃ/

blandish

adular
Meaning
to flatter or coax someone with kind words or praise in order to influence them
Example
He blandished the officials with compliments to gain their support.
Aduló a los funcionarios para obtener su apoyo.
B2 adjective /blænd/

bland

soso
Meaning
lacking strong features, flavor, or character; dull or uninteresting
Example
The soup was too bland for my taste.
La sopa estaba demasiado sosa para mi gusto.
B1 verb /bʌmp/

bump

golpe
Meaning
To hit something or someone by accident; to knock against something.
Example
He accidentally bumped into the door.
Él accidentalmente chocó con la puerta.
B1 noun ˈbaʊndəri

boundary

frontera
Meaning
A line that marks the limits of an area; a dividing line.
Example
The river marks the boundary.
El río marca la frontera.
C1 verb /bɪˈlɪtl/

belittle

menospreciar
Meaning
To make someone or something seem less important or less valuable.
Example
He often belittled his coworkers to feel superior.
Él a menudo menospreciaba a sus compañeros de trabajo para sentirse superior.
B2 noun /buˈkeɪ/

Bouquet

ramo de flores
Meaning
an attractively arranged bunch of flowers, especially one presented as a gift or carried at a ceremony
Example
The bride carried a beautiful bouquet of white roses down the aisle.
La novia llevó un hermoso ramo de rosas blancas por el pasillo.
A2 noun /ˈbʌk.ɪt/

Bucket

balde
Meaning
a roughly cylindrical open container with a handle, used to hold and carry liquids
Example
The farmer filled the bucket with fresh water from the well.
El granjero llenó el balde con agua fresca del pozo.
B2 noun/verb /bruːz/

bruise

moretón / contusión
Meaning
As a noun: an injury appearing as a purple or blue mark on the skin; As a verb: to injure without breaking the skin
Example
He got a bruise on his arm after falling.
Él consiguió un moretón en su brazo después de caerse.
C2 noun /ˈbærəˌɡræf/

barograph

instrumento que registra cambios en la presión atmosférica
Meaning
an instrument that records changes in atmospheric pressure
Example
The scientist checked the barograph for pressure variations.
El científico revisó el barógrafo para ver las variaciones de presión.
C2 verb /bɪˈweɪl/

bewail

lamentar
Meaning
to express deep sorrow or regret over something; to mourn openly
Example
She bewailed the loss of her childhood home.
Ella lamentó la pérdida de su hogar de la infancia.
B2 adverb /ˈbruːtəli/

brutally

brutalmente
Meaning
in a cruel, violent, or harsh manner; in a very direct and blunt way
Example
The prisoners were treated brutally by the guards.
Los prisioneros fueron tratados brutalmente por los guardias.
B1 verb /bæn/

ban

prohibir
Meaning
to officially forbid something; to prohibit
Example
The government banned smoking in public places.
El gobierno prohibió fumar en lugares públicos.
C1 noun /ˈbʊzəm/

bosom

pecho
Meaning
the human chest, especially a woman’s breast; also used metaphorically to refer to closeness or intimacy
Example
She kept the secret close to her bosom.
Ella guardó el secreto cerca de su pecho.
B2 verb /ˈbætər/

batter

golpear repetidamente
Meaning
To strike repeatedly with force.
Example
The waves battered the shoreline all night.
Las olas golpearon la orilla toda la noche.
B2 verb, noun, adjective /baʊnd/

bound

limitado / atado
Meaning
To move with large strides or jumps; also refers to being tied, limited, or certain.
Example
The dog bounded across the field with joy.
El perro saltó a través del campo con alegría.
B2 noun/verb /beɪt/

bait

alimento o señuelo utilizado para atraer peces o animales; provocar o molestar deliberadamente.
Meaning
Food or lure used to attract fish or animals; to deliberately provoke or annoy.
Example
He used worms as bait to catch fish.
Él usó gusanos como cebo para pescar.
C1 noun /ˈbæləd/

ballad

canción narrativa
Meaning
a narrative song or poem, often sentimental or romantic
Example
The singer performed a moving ballad about lost love.
El cantante interpretó una balada conmovedora sobre el amor perdido.
C1 noun /ˈbɪɡətri/

bigotry

intolerancia
Meaning
Intolerance toward those who hold different opinions or lifestyles.
Example
Her bigotry prevented her from accepting people with different beliefs.
Su intolerancia le impidió aceptar a personas con creencias diferentes.
C2 noun /ˈblændɪʃmənt/

blandishment

adulación
Meaning
flattering or pleasing statement or action used to persuade someone gently
Example
She used every blandishment to win his support.
Usó todas las adulaciónes para ganar su apoyo.
A1 noun /bɪt/

Bit

un pequeño pedazo o cantidad de algo; un corto tiempo o distancia
Meaning
a small piece or quantity of something; a short time or distance
Example
Can you wait a bit longer for me?
¿Puedes esperar un poco más por mí?
C2 adjective /bɪˈwɪtʃɪŋ/

bewitching

hechizante
Meaning
charming, enchanting, or captivating in a magical or irresistible way
Example
She wore a bewitching smile that captivated everyone in the room.
Ella llevaba una sonrisa hechizante que cautivó a todos en la sala.
C2 noun /ˈbɛlˌwɛðər/

bellwether

líder de tendencia
Meaning
A person or thing that leads or indicates a trend.
Example
The company is seen as a bellwether of the technology industry.
La compañía se ve como un líder de tendencia de la industria tecnológica.
B1 noun, verb /bʌz/

buzz

zumbido
Meaning
to make a low continuous humming sound; a feeling of excitement or interest
Example
I could hear the phone buzz during the meeting.
Pude oír el zumbido del teléfono durante la reunión.
C1 noun/adjective /ˈbaɪ.ɡɒn/

bygone

pasado
Meaning
Something belonging to an earlier time; past and no longer existing.
Example
He often talks about the traditions of bygone days.
Él a menudo habla sobre las tradiciones de los días pasados.
A2 adverb /bɪˈjɒnd/

Beyond

más allá; fuera de los límites establecidos;
Meaning
further away than; exceeding; more than
Example
The mountains stretched beyond the horizon.
Las montañas se extendían más allá del horizonte.
B1 noun /bʊk ˈsel.ər/

Book seller

librero
Meaning
a person who sells books, especially as a business
Example
The book seller recommended a great novel for my summer reading.
El librero recomendó una gran novela para mi lectura de verano.
C2 noun /ˈbreɪziər/

Brazier

trabajador de latón
Meaning
a worker in brass; a portable container for burning charcoal or coal
Example
The brazier crafted beautiful brass ornaments.
El trabajador de latón hizo hermosas joyas de latón.
A1 interjection /baɪ/

bye

adiós
Meaning
used to say goodbye; a short and informal farewell
Example
I said bye to her before leaving.
Le dije adiós antes de irme.
A2 noun /ˈbʊkstɔːr/

bookstore

librería
Meaning
a shop where books are sold
Example
She spent an entire afternoon browsing in the bookstore.
Pasó toda la tarde en la librería.
A2 noun /belt/

Belt

cinturón
Meaning
a strip of leather or cloth worn around the waist to support clothes or for decoration
Example
He tightened his belt before going for a run.
Se apretó el cinturón antes de salir a correr.
A2 noun breɪn

brain

cerebro
Meaning
The organ inside the head that controls thought, memory, feelings, and activity
Example
The brain can only focus on one thing at a time.
El cerebro solo puede concentrarse en una cosa a la vez.
C2 adjective /ˈbaɪ.fərˌkeɪ.tɪd/

bifurcated

dividido en dos partes
Meaning
Divided into two branches or parts.
Example
The river became bifurcated as it flowed around the island.
El río se dividió en dos partes cuando fluyó alrededor de la isla.
C1 adjective /ˌbaɪˈlæt.ər.əl/

bilateral

bilateral
Meaning
An agreement or relationship between two parties that is mutual, two-sided, or reciprocal.
Example
The two countries signed a bilateral trade agreement.
Los dos países firmaron un acuerdo comercial bilateral.
C1 verb /ˈbɒɡəl/

boggle

asombrar
Meaning
to overwhelm or confuse; to be astonished or puzzled by something
Example
The complexity of the puzzle boggled his mind.
La complejidad del rompecabezas asombró su mente.
B2 adjective /bɪˈliːvəbl̩/

believable

creíble
Meaning
Able to be trusted or accepted as true or reasonable.
Example
Her story was so detailed that it sounded believable.
Su historia era tan detallada que sonaba creíble.
A1 adjective /braʊn/

Brown

marrón
Meaning
having the color of earth or wood; dark colored
Example
She has beautiful brown eyes that sparkle in the sunlight.
Ella tiene hermosos ojos marrones que brillan bajo la luz del sol.
B1 noun /ˈboʊ.nəs/

Bonus

bono
Meaning
an amount of money added to wages on a seasonal basis, especially as a reward for good performance
Example
She received a year-end bonus for her excellent work performance.
Ella recibió un bono al final del año por su excelente desempeño en el trabajo.
C2 adjective /ˈbʊərɪʃ/

boorish

grosero
Meaning
Rude, insensitive, and lacking manners or refinement.
Example
His boorish behavior ruined the dinner party.
Su comportamiento grosero arruinó la fiesta de la cena.
B2 adjective /ˌbaɪəˈlɒdʒɪkl̩/

biological

biológico
Meaning
relating to the science of biology or to life and living organisms
Example
She is studying biological sciences at university.
Ella está estudiando ciencias biológicas en la universidad.
A2 verb /ˈbɒðər/

bother

molestar
Meaning
to annoy, worry, or cause trouble to someone
Example
I don't want to bother you while you're working.
No quiero molestarte mientras trabajas.
A2 verb /bit/

beat

golpear
Meaning
to strike repeatedly; to defeat; to pulsate rhythmically
Example
Our team will beat theirs in the final match.
Nuestro equipo vencerá al suyo en el partido final.
B2 verb /bɑːrk/

bark

ladrar
Meaning
to make a sharp sound like a dog; to speak angrily
Example
The dog barks at strangers.
El perro ladra a los extraños.
C1 adjective /bræʃ/

brash

atrevido
Meaning
self-assertive in a rude, noisy, or overconfident way
Example
His brash comments offended many people at the meeting.
Sus comentarios atrevidos ofendieron a muchas personas en la reunión.
B2 adjective /ˌben.ɪˈfɪʃ.əl/

beneficial

beneficioso
Meaning
Resulting in good; favorable or advantageous.
Example
Eye rubbing can be beneficial in moderation.
Frotarse los ojos puede ser beneficioso con moderación.
B2 noun /ˈblæk.smɪθ/

Blacksmith

herrero
Meaning
a person who makes and repairs things made of iron
Example
The blacksmith hammered the hot iron into a horseshoe.
El herrero martilló el hierro caliente para convertirlo en una herradura.
C2 noun /ˈbʌt.ə.flaɪ piː/

Butterfly Pea

guisante mariposa
Meaning
a blue flowering plant with butterfly-shaped flowers, used to make herbal tea
Example
Butterfly pea flowers turn tea into a beautiful blue color.
Las flores de guisante mariposa convierten el té en un hermoso color azul.
C1 noun /ˈbaɪ.laɪn/

byline

línea del nombre del escritor
Meaning
A line in a newspaper or magazine article that names the writer.
Example
Her byline appeared on the front page of the newspaper.
Su línea apareció en la primera página del periódico.
C1 noun /ˈbaɪ.lɔː/

by-law

reglamento
Meaning
A rule made by a company, organization, or local authority to control the actions of its members.
Example
The city council passed a new by-law regulating street vendors.
El consejo de la ciudad aprobó una nueva ordenanza para regular a los vendedores ambulantes.
A2 verb /blɒk/

block

bloquear
Meaning
to obstruct; to prevent passage or progress
Example
The fallen tree blocks the road.
El árbol caído bloquea el camino.
B2 noun, verb /bluːm/

bloom

florecer
Meaning
to produce flowers; to develop or flourish; a flower or the state of flowering
Example
The roses bloom beautifully every spring.
Las rosas florecen bellamente cada primavera.
C1 noun /bəˈbuːn/

Baboon

babuino
Meaning
a large African and Arabian primate with a dog-like snout and colorful buttocks
Example
The baboon troop gathered around the watering hole in the savanna.
El grupo de babuinos se reunió alrededor del agujero de agua en la sabana.
C1 verb; noun /beltʃ/

belch

eructar
Meaning
to expel air noisily from the stomach through the mouth; to emit or pour out suddenly and forcefully
Example
After drinking the soda, he belched loudly.
Después de beber el refresco, eructó fuerte.
C1 noun /buːn/

boon

bendición
Meaning
A thing that is helpful or beneficial.
Example
The internet is a boon to modern education.
Internet es una bendición para la educación moderna.
B2 verb /bleɪz/

blaze

llama brillante
Meaning
to burn brightly or powerfully
Example
The fire blazed for hours before it was brought under control.
El fuego ardió durante horas antes de que se controlara.
C1 noun /ˈbed sted/

Bed stead

estructura de la cama
Meaning
the framework of a bed; a bed frame without bedding
Example
The wooden bed stead was very sturdy.
La estructura de madera de la cama era muy resistente.
C1 adjective, noun /ˈbʊrʒ.wɑː/

bourgeois

burgués
Meaning
Relating to the middle class, often with materialistic values or conventional attitudes.
Example
The novel criticizes the bourgeois lifestyle of the city dwellers.
La novela critica el estilo de vida burgués de los habitantes de la ciudad.
C1 noun /bruːˈtæləti/

brutality

brutalidad
Meaning
extreme cruelty or violence; savage or inhumane treatment
Example
The brutality of the attack shocked the entire community.
La brutalidad del ataque conmocionó a toda la comunidad.
B1 noun /bɪˈhɑːf/

behalf

en nombre de
Meaning
as a representative of someone; in the interest of someone
Example
She accepted the award on behalf of her team.
Ella aceptó el premio en nombre de su equipo.
C2 noun /bəˈlɛəroʊ/

bolero

bolero (un baile español o una chaqueta corta abierta al frente)
Meaning
A Spanish dance in slow triple time, or a short jacket open at the front.
Example
The dancers performed a passionate bolero at the festival.
Los bailarines realizaron un bolero apasionado en el festival.
B1 noun /bɪərd/

Beard

barba
Meaning
hair that grows on the chin and lower cheeks of a man's face
Example
He grew a long beard during the winter months.
Él dejó crecer una barba larga durante los meses de invierno.
A2 noun /bɪər/

beer

cerveza
Meaning
An alcoholic drink made from yeast-fermented malt flavored with hops.
Example
He ordered a glass of cold beer at the bar.
Él pidió un vaso de cerveza fría en el bar.
B2 noun /bluːz/

blues

blues
Meaning
a feeling of sadness; a style of music with melancholy themes
Example
Listening to blues music always calms him down.
Escuchar música blues siempre lo calma.
B2 adjective /ˈbeə.rə.bəl/

Bearable

soportable; tolerable; no demasiado desagradable o doloroso
Meaning
able to be endured; tolerable; not too unpleasant or painful
Example
The pain became bearable after taking the medicine.
El dolor se volvió soportable después de tomar la medicina.
A1 noun /bed/

Bed

cama
Meaning
a piece of furniture for sleep or rest, typically a framework with a mattress
Example
She made her bed every morning before going to work.
Ella hace su cama todas las mañanas antes de ir al trabajo.
C1 adjective /bɪˈriːvd/

Bereaved

afligido
Meaning
having lost a loved one through death
Example
The bereaved family received many condolences.
La familia afligida recibió muchas condolencias.
C1 adjective /ˈbed.rɪd.ən/

Bedridden

postrado en cama
Meaning
confined to bed; unable to leave one's bed due to illness or infirmity
Example
The elderly man has been bedridden for several months.
El hombre anciano ha estado postrado en cama durante varios meses.
C1 noun /ˈblæs.fə.mi/

blasphemy

blasfemia
Meaning
the act of speaking disrespectfully about God or sacred things
Example
In some countries, blasphemy is a punishable offense.
En algunos países, la blasfemia es un delito castigable.
B2 noun /ˈbækɪŋ/

Backing

respaldo
Meaning
help or support; financial or material support
Example
The project received backing from several major investors.
El proyecto recibió respaldo de varios inversionistas importantes.
C2 adjective /ˈbuːtləs/

bootless

inútil
Meaning
Useless or futile; of no benefit.
Example
His bootless attempt to fix the machine only wasted time.
Su intento inútil de arreglar la máquina solo desperdició tiempo.
B2 noun /bent/

Bent

inclinación; tendencia
Meaning
a natural inclination or talent; a strong interest or liking for something
Example
She has a natural bent for music and art.
Ella tiene una inclinación natural por la música y el arte.
C2 verb /bɪˈdaɪzən/

bedizen

adorno ostentoso
Meaning
to dress up or decorate in a showy or tasteless way
Example
She was bedizened with cheap jewelry.
Ella estaba adornada con joyas baratas.
C2 verb /ˈblækˌbɔːl/

blackball

excluir
Meaning
to exclude someone socially or vote against their membership in a group or club
Example
He was blackballed from the club after the controversy.
Fue expulsado del club después de la controversia.
C1 verb, noun /ˈbʌsəl/

bustle

bullicio, ajetreo
Meaning
to move in an energetic or noisy manner; busy activity in a place
Example
The marketplace bustled with vendors and customers.
El mercado estaba lleno de vendedores y clientes.
C2 noun /ˌbaɪ.oʊ.rɪˌmiː.diˈeɪ.ʃən/

bioremediation

biorremediación
Meaning
The use of living organisms to neutralize or remove environmental contaminants.
Example
Bioremediation helps remove toxins from polluted soil.
La biorremediación ayuda a eliminar toxinas del suelo contaminado.
B1 verb /ˈbrɔːdˌkæst/

broadcast

transmitir
Meaning
to transmit a program or information by radio, television, or online media
Example
The match was broadcast live on television.
El partido fue transmitido en vivo por televisión.
C1 noun /ˈbrɛvɪti/

brevity

breviedad
Meaning
Concise and exact use of words in writing or speech.
Example
The brevity of the speech kept the audience engaged.
La brevedad del discurso mantuvo a la audiencia comprometida.
C2 noun /ˈbrɔːdˌsaɪd/

broadside

ataque contundente
Meaning
a strong verbal attack or a sheet of paper printed on one side
Example
The politician launched a broadside against his opponent.
El político lanzó un ataque contundente contra su oponente.
C2 adjective /ˈbrɪndl̩d/

brindled

atigrado
Meaning
Having a brownish or tawny color with streaks or spots of another color.
Example
The farmer owned a brindled cow with distinctive stripes.
El granjero tenía una vaca atigrada con rayas distintivas.
C1 verb/noun ˈbuːt.stræp

bootstrap

empezar un negocio utilizando recursos personales sin financiación externa
Meaning
To start and develop a business using personal resources without external funding.
Example
He bootstrapped his company with minimal resources.
Él comenzó su empresa con recursos mínimos.
B2 noun ˈbaɪ.əs

bias

prejuicio, parcialidad
Meaning
Prejudice in favor of or against one thing, person, or group compared with another, usually in a way considered to be unfair.
Example
The judge must remain free from bias.
El juez debe mantenerse libre de prejuicios.
C2 noun /biˈætɪtjuːd/

beatitude

suprema bendición o felicidad, a menudo usada en referencia a las enseñanzas de Jesús en el Sermón de la Montaña
Meaning
supreme blessedness or happiness, often used in reference to the sayings of Jesus in the Sermon on the Mount
Example
She felt a state of beatitude after receiving the good news.
Ella sintió un estado de beatitud después de recibir las buenas noticias.
C2 adjective /ˈbeɪlfəl/

baleful

amenazante
Meaning
Threatening harm; menacing or expressing hatred.
Example
She gave him a baleful look after the insult.
Después del insulto, le dio una mirada amenazante.
C2 noun /ˌbɪbliəʊˈmeɪniə/

bibliomania

bibliomanía
Meaning
An extreme obsession with collecting or possessing books.
Example
His bibliomania led him to fill every room with books.
Su bibliomanía lo llevó a llenar cada habitación con libros.
C2 noun ˈbaɪəʊˌsaɪd

biocide

biocida
Meaning
A chemical substance or microorganism intended to destroy, deter, render harmless, or exert a controlling effect on any harmful organism.
Example
Biocides help control pests and reduce the spread of diseases.
Los biocidas ayudan a controlar las plagas y reducir la propagación de enfermedades.
B1 noun /ˈbɔr.dər/

Border

frontera
Meaning
a line separating two political or geographical areas, especially countries
Example
They crossed the border between France and Spain by train.
Cruzaron la frontera entre Francia y España en tren.
B1 noun /biːst/

Beast

bestia
Meaning
a large or dangerous animal; a cruel or unpleasant person
Example
The lion is a fierce beast of the jungle.
El león es una feroz bestia de la jungla.
C2 noun /ˈbʊlwərk/

bulwark

murallas defensivas
Meaning
A strong wall or defensive structure; something that provides protection or support.
Example
The fortress walls served as a bulwark against enemy attacks.
Las murallas del fuerte sirvieron como una muralla defensiva contra los ataques enemigos.
C2 verb /bɪˈsiːtʃ/

beseech

suplicar
Meaning
To ask someone urgently and fervently to do something; to beg.
Example
He beseeched the judge for mercy.
Él suplicó al juez por misericordia.
A1 adjective /bɪɡ/

big

grande
Meaning
large in size, extent, or importance
Example
They moved into a big house with plenty of space.
Se mudaron a una casa grande con mucho espacio.
A2 verb /bɛr/

bear

soportar
Meaning
to carry; to endure; to give birth to; to support
Example
She cannot bear the pain anymore.
Ella ya no puede soportar el dolor.
A2 noun /ˈbɪs.kɪt/

Biscuit

galleta
Meaning
a small, hard, dry cake; a cookie
Example
Children love to eat chocolate biscuits with milk.
A los niños les encanta comer galletas de chocolate con leche.
C1 noun /brəˈzɪər/

Brassiere

sujetador
Meaning
a woman's undergarment designed to support the breasts
Example
She bought a comfortable brassiere for daily wear.
Ella compró un sujetador cómodo para usar a diario.
C2 verb /bruːt/

bruit

difundir un rumor
Meaning
to spread a rumor or report widely
Example
The scandal was quickly bruited about the town.
El escándalo se difundió rápidamente por la ciudad.
C2 verb /ˈbætn/

batten

asegurar
Meaning
To fasten or secure something tightly.
Example
They battened down the hatches before the storm.
Ellos aseguraron las trampillas antes de la tormenta.
C2 noun /ˌbrɪɡ.əˈdɪər/

brigadier

brigadier
Meaning
A military officer rank, usually commanding a brigade.
Example
The brigadier inspected the troops before the parade.
El brigadier inspeccionó las tropas antes del desfile.
A1 noun /ˈbɜːrθ.deɪ/

birthday

Meaning
the anniversary of the day on which a person was born, typically celebrated annually
Example
We are planning a surprise birthday party for her.
B2 noun /ˈbɪʃəp/

bishop

obispo
Meaning
a senior member of the Christian clergy, usually in charge of a diocese and empowered to confer holy orders.
Example
The bishop delivered a powerful sermon during Sunday service.
El obispo dio un poderoso sermón durante el servicio del domingo.
C2 noun /ˈbeɪlɔːr/

bailor

depositante
Meaning
a person who temporarily transfers possession of goods or property to another under a bailment agreement
Example
The bailor entrusted the valuable artwork to the museum for safekeeping.
El depositante confió la obra de arte al museo.
A1 preposition, adverb /bɪˈtwiːn/

between

entre
Meaning
at, into, or across the space separating two objects or regions
Example
She sat between her two friends.
Ella se sentó entre sus dos amigos.
B1 adjective /blæŋk/

blank

vacío
Meaning
showing no expression or containing nothing written, printed, or recorded.
Example
Her face went blank when she heard the bad news.
Su cara se quedó vacía cuando escuchó las malas noticias.
B2 verb /bræɡ/

brag

presumir
Meaning
to talk proudly about oneself or one's achievements in an annoying way
Example
He always brags about his expensive car.
Él siempre presume de su coche caro.
B1 phrasal verb /bloʊ aʊt/

blow out

apagar
Meaning
to extinguish by blowing; to fail suddenly or burst; to expand or exceed limits dramatically
Example
She blew out the candles on her birthday cake.
Ella apagó las velas de su pastel de cumpleaños.