Beak
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B2 noun /biːk/

Beak

pico
Meaning
the hard pointed part of a bird's mouth
Example
The eagle has a sharp beak for tearing meat.
El águila tiene un pico afilado para desgarrar carne.
C1 adjective /bɪˈfɪt.ɪŋ/

Befitting

adecuado; apropiado; adecuado para una situación o persona particular
Meaning
appropriate; suitable; proper for a particular situation or person
Example
He wore formal attire befitting the important occasion.
Llevó ropa formal adecuada para la ocasión importante.
B2 noun /beɪs/

bass

voz masculina baja / guitarra baja
Meaning
the lowest adult male singing voice; also, low-frequency sounds in music or a type of fish
Example
He played the bass guitar at the concert.
Él tocó la guitarra baja en el concierto.
C2 noun /bɒmˈbeɪ dʌk/

Bombay duck

pez bombay
Meaning
a type of lizardfish found in coastal waters, commonly eaten dried and salted in South Asia
Example
Bombay duck is a popular delicacy when dried and fried.
El pez Bombay es un manjar popular cuando se seca y se fríe.
C1 noun /ˈbeɪlɪf/

bailiff

oficial de la corte
Meaning
An official who keeps order in a court, carries out court orders, or collects debts.
Example
The bailiff asked everyone to rise as the judge entered the courtroom.
El oficial de la corte pidió a todos que se pusieran de pie cuando el juez entró a la sala.
B2 noun /ˈbɒdiɡɑːrd/

bodyguard

guardaespaldas
Meaning
a person employed to protect someone from harm
Example
The celebrity arrived with her bodyguard.
La celebridad llegó con su guardaespaldas.
C2 verb /bɪˈθɪŋk/

bethink

recordar
Meaning
to cause oneself to consider or remember something
Example
He bethought himself of the promise he had made.
Él se recordó de la promesa que había hecho.
A1 noun /bɔɪ/

boy

niño
Meaning
a male child or young male person
Example
The boy ran across the playground.
El niño corrió por el patio de recreo.
C2 verb /ˈbækˌslaɪd/

backslide

retroceder
Meaning
To relapse into bad habits, undesirable practices, or moral decline.
Example
After months of progress, he began to backslide into old habits.
Después de meses de progreso, empezó a retroceder hacia viejos hábitos.
C2 verb /bɪˈleɪbər/

belabor

exponer en exceso
Meaning
to argue or elaborate on a subject in excessive detail; to attack verbally or physically
Example
The professor belabored the point until the students grew restless.
El profesor expuso tanto el punto hasta que los estudiantes se inquietaron.
A2 noun /brɪk/

brick

ladrillo
Meaning
A rectangular block of clay or similar material used in building walls and other structures.
Example
The workers laid brick after brick to build the wall.
Los trabajadores colocaron ladrillo tras ladrillo para construir la pared.
A1 noun /ˈbɪldɪŋ/

building

edificio
Meaning
A structure with a roof and walls, such as a house, school, or office.
Example
The old building was renovated into a museum.
El viejo edificio fue renovado y convertido en un museo.
C2 adjective /ˌbiːəˈtɪfɪk/

beatific

beatífico
Meaning
blissfully happy or showing great joy
Example
She had a beatific smile after hearing the good news.
Ella tenía una sonrisa beatífica después de escuchar las buenas noticias.
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.
B1 noun /ˈbeɪs.mənt/

Basement

sótano
Meaning
the lowest floor of a building, typically below ground level
Example
We store old furniture in the basement.
Guardamos muebles viejos en el sótano.
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.
C1 noun /ˈbraɪ.dəl/

Bridle

frente; brida
Meaning
the headgear used to control a horse, consisting of buckled straps and a bit
Example
The rider adjusted the horse's bridle before mounting for the race.
El jinete ajustó el freno del caballo antes de montarlo para la carrera.
B2 verb /breɪd/

braid

trenza
Meaning
to weave together strands of hair or material
Example
She braided her hair before going to school.
Ella trenzó su cabello antes de ir a la escuela.
C2 verb /bɪˈmjuːz/

bemuse

confundir
Meaning
To confuse or puzzle someone.
Example
The complex instructions bemused the new employees.
Las instrucciones complejas confundieron a los nuevos empleados.
C2 noun /ˈbʌt.ər fɪʃ/

Butter-fish

pez mantequilla
Meaning
a small, smooth-skinned marine fish
Example
The butter-fish is popular in Bengali cuisine.
El pez mantequilla es popular en la cocina bengalí.
B2 noun ˈbentʃ.mɑːk

benchmark

punto de referencia
Meaning
A standard or point of reference against which things may be compared or assessed.
Example
Sabah Al Ahmad Sea City sets a benchmark in sustainability.
La Ciudad del Mar Sabah Al Ahmad establece un punto de referencia en sostenibilidad.
B2 noun /biːt/

Beet

remolacha
Meaning
a plant with a round dark red root that is eaten as a vegetable
Example
Roasted beet with goat cheese makes a delicious salad.
La remolacha asada con queso de cabra hace una ensalada deliciosa.
C2 noun /ˈbæn.jən/

Banian

camiseta sin mangas
Meaning
a sleeveless undergarment worn next to the skin; vest
Example
He put on a cotton banian under his shirt.
Se puso una camiseta de algodón debajo de su camisa.
A1 noun /bɒks/

Box

caja
Meaning
a container with flat sides and a lid, used for storing or carrying things
Example
She put her toys in the wooden box.
Ella puso sus juguetes en la caja de madera.
C2 noun /ˈblʌfər/

bluffer

fanfarrón
Meaning
a person who pretends to be more confident, skilled, or knowledgeable than they really are; someone who deceives others by bluffing
Example
Everyone eventually realized that he was just a bluffer with no real experience.
Todos se dieron cuenta de que solo era un fanfarrón.
B2 verb/noun /buː/

boo

grito de desaprobación/sonido de advertencia
Meaning
To show disapproval by shouting 'boo'; or a sound made to surprise or scare.
Example
The audience began to boo the bad performance.
La audiencia comenzó a abuchear la mala actuación.
B2 noun /bɪtʃ/

Bitch

perra;
Meaning
a female dog; an unpleasant or spiteful woman (offensive)
Example
The bitch gave birth to five puppies.
La perra dio a luz a cinco cachorros.
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.
C2 adjective /ˈbɛərˌfeɪst/

barefaced

descarado
Meaning
shameless and undisguised; openly bold or unashamed
Example
He told a barefaced lie in front of everyone.
Él dijo una mentira descarada frente a todos.
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.
A2 noun/verb /ˈbʌdʒɪt/

budget

presupuesto
Meaning
An estimate of income and expenditure for a set period of time; to plan expenses and income.
Example
The family created a budget to manage their expenses.
La familia creó un presupuesto para gestionar sus gastos.
B2 adjective /bəˈtænɪkəl/

botanical

botánico
Meaning
relating to plants or plant life
Example
She works at the botanical garden.
Ella trabaja en el jardín botánico.
B1 noun /ˈbæŋkɪŋ/

banking

banca o servicios bancarios
Meaning
the business or services provided by a bank
Example
Online banking has made financial transactions easier.
La banca en línea ha facilitado las transacciones financieras.
C1 adjective /bɪˈleɪtɪd/

belated

tardío
Meaning
coming or happening later than expected or usual
Example
She sent me a belated birthday card.
Me envió una tarjeta de cumpleaños tardía.
B2 noun /ˈbækˌsaɪd/

backside

parte trasera
Meaning
the rear part or surface of something; informal term for the buttocks
Example
The kids slid down the hill on their backside.
Los niños bajaron la colina en su parte trasera.
A2 noun /bɑːθ/

Bath

baño; bañera
Meaning
the act of washing one's body; a container for bathing
Example
I take a hot bath every evening.
Me doy un baño caliente todas las noches.
A1 verb /bɪˈɡɪn/

begin

empezar
Meaning
to start doing something; to commence
Example
I will begin my studies tomorrow.
Comenzaré mis estudios mañana.
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.
B1 verb /ˈbɔːrdɪŋ/

boarding

embarcar
Meaning
Getting on or into a ship, aircraft, or other vehicle.
Example
The explorers were boarding the ship at the port.
Los exploradores estaban embarcando en el barco en el puerto.
C2 noun /ˈbɑːrtərər/

barterer

truequero
Meaning
A person who trades goods or services without using money.
Example
The barterer exchanged fruits for some pottery.
El truequero intercambió frutas por algunas vasijas.
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.
C2 noun /baɪˈmɛstər/

bimester

período de dos meses
Meaning
A period of two months.
Example
The academic program is divided into six bimesters.
El programa académico se divide en seis bimestres.
B2 noun /ˈblʌn.dər/

blunder

un error tonto o descuidado; un error grave en el juicio.
Meaning
A stupid or careless mistake; a serious error in judgment.
Example
His blunder cost the company a fortune.
Su error costó a la empresa una fortuna.
B2 adjective /ˈbruː.təl/

brutal

brutal
Meaning
extremely cruel or harsh; violent and without feeling
Example
The dictator’s rule was marked by brutal violence.
El gobierno del dictador estuvo marcado por una violencia brutal.
A1 determiner/pronoun /boʊθ/

both

ambos
Meaning
referring to two people or things together
Example
Both of the children were excited about the trip.
Ambos niños estaban emocionados por el viaje.
A2 verb /bleɪm/

blame

echar la culpa
Meaning
to hold responsible for a fault; to find fault with
Example
Don't blame me for the mistake.
No me eches la culpa por el error.
B1 verb /breɪk/

brake

frenar
Meaning
to slow down or stop a vehicle by applying a brake
Example
He braked suddenly to avoid hitting the dog.
Él frenó repentinamente para evitar golpear al perro.
B2 noun /ˈbælət/

ballot

papeleta
Meaning
a process of voting, usually in secret; the paper used to record a vote
Example
Voters cast their ballot in the election.
Los votantes emitieron su papeleta en la elección.
C1 noun /ˈbɜːrθraɪt/

birthright

derecho de nacimiento
Meaning
A privilege or possession that a person has from birth.
Example
Freedom is considered a birthright of every individual.
La libertad se considera un derecho de nacimiento de cada individuo.
B1 noun /ˈbles.ɪŋ/

Blessing

bendición; regalo;
Meaning
a beneficial thing for which one is grateful; divine favor
Example
Having good health is a blessing that we should cherish.
Tener buena salud es una bendición que debemos valorar.
C2 noun /ˈbloʊˌhɑrd/

blowhard

persona engreída
Meaning
a person who brags a lot or talks in a boastful way
Example
Everyone avoided the blowhard at the party because he wouldn't stop bragging.
Todos evitaron al engreído en la fiesta porque no dejaba de presumir.
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.
C2 verb /ˈbeɪɪŋ/

baying

ladrar
Meaning
making a loud, prolonged barking or howling sound, especially of dogs
Example
The baying of the hounds echoed through the forest.
El ladrido de los sabuesos resonó en el bosque.
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 noun /bɜːrˈlɛsk/

burlesque

burlesque
Meaning
A humorous and exaggerated imitation of a serious work; a type of theatrical entertainment involving comedy and parody.
Example
The play was a clever burlesque of traditional opera.
La obra fue una ingeniosa burla de la ópera tradicional.
B2 noun; verb /breɪs/

brace

soporte; prepararse
Meaning
a device that supports or strengthens something; to prepare mentally or physically for something difficult
Example
She braced herself for the strong wind.
Ella se preparó para el viento fuerte.
C2 adjective /bɪˈsɒtɪd/

besotted

embobado, loco de amor
Meaning
strongly infatuated or obsessed with someone or something
Example
He was completely besotted with her charm.
Él estaba completamente embobado con su encanto.
A1 adjective, adverb, verb /ˈbɛtər/

better

mejor
Meaning
of a more excellent or effective type or quality; to surpass or improve
Example
He felt better after taking the medicine.
Se sintió mejor después de tomar la medicina.
C2 noun /ˈbɪɡ.ə.mɪst/

bigamist

bigámico
Meaning
A person who commits the crime of marrying someone while already married to another.
Example
The man was arrested for being a bigamist.
El hombre fue arrestado por ser un bigamista.
C1 verb /ˈbɪkər/

bicker

discutir por cosas triviales
Meaning
To argue or quarrel about trivial matters.
Example
The children began to bicker over the last piece of cake.
Los niños comenzaron a discutir por el último pedazo de pastel.
B1 noun /brif/

Brief

breve; corto
Meaning
a concise statement of the facts; a set of instructions given to a person about a job or task
Example
The lawyer received a detailed brief about the upcoming court case.
El abogado recibió un informe detallado sobre el próximo caso judicial.
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.
A2 noun /ˈbʌtərflaɪ/

butterfly

mariposa
Meaning
an insect with large, often brightly colored wings that flies during the day
Example
A beautiful butterfly landed on the flower.
Una hermosa mariposa aterrizó en la flor.
B2 verb /bɪˈwɛər/

beware

tener cuidado
Meaning
to be cautious or alert about a potential danger or problem
Example
Beware of the dog near the gate.
Cuidado con el perro cerca de la puerta.
C1 verb /bæsk/

bask

tomar el sol
Meaning
to lie in warmth and light; to enjoy something pleasurable
Example
The cat basks in the sunny window.
El gato toma el sol en la ventana soleada.
C2 noun /ˈbɑːr.nɪ.kəl/

Barnacle

percebe
Meaning
a marine crustacean that attaches itself permanently to underwater surfaces
Example
The old ship's hull was covered with barnacles.
El casco del viejo barco estaba cubierto de percebes.
B2 noun /ˈbækdrɒp/

backdrop

fondo
Meaning
a painted cloth or other structure used behind a stage
Example
The backdrop for the play was a beautiful mountain scene.
El fondo para la obra de teatro era una hermosa escena montañosa.
B1 adjective /blɒnd/

blond

rubio
Meaning
having light-colored hair, typically pale yellow or golden.
Example
She has long blond hair that shines in the sunlight.
Ella tiene el cabello largo y rubio que brilla al sol.
C1 adjective /bəˈzɜːrk/

berserk

enloquecido
Meaning
Out of control with anger or excitement; wild or frenzied.
Example
The fans went berserk when their team won the championship.
Los fanáticos se volvieron enloquecidos cuando su equipo ganó el campeonato.
A2 verb /beɪs/

base

basar
Meaning
to use something as a foundation; to establish or locate something
Example
They based their decision on facts.
Ellos basaron su decisión en hechos.
C1 verb /bɪˈsiːdʒ/

besiege

sitio
Meaning
to surround a place with armed forces to capture it; to overwhelm with requests or attention
Example
The city was besieged by enemy troops.
La ciudad fue sitiada por tropas enemigas.
B2 noun /ˈbæŋkrʌptsi/

bankruptcy

quiebra
Meaning
the state of being unable to pay debts owed, declared by a legal process
Example
The company declared bankruptcy after months of financial struggles.
La empresa declaró quiebra después de meses de luchas financieras.
C1 adjective /bɪˈrɛft/

bereft

despojado
Meaning
Deprived of or lacking something, especially a nonmaterial asset.
Example
After the betrayal, he felt bereft of hope and trust.
Después de la traición, se sintió despojado de esperanza y confianza.
C2 noun /bænˈdænə/

bandanna

pañuelo grande y colorido
Meaning
A large, often brightly colored handkerchief, typically worn on the head or around the neck.
Example
He tied a red bandanna around his neck.
Se ató un pañuelo rojo alrededor del cuello.
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.
C2 noun /blæk biː/

Black-bee

abeja negra
Meaning
a large dark-colored bee that makes a loud buzzing sound
Example
The black-bee was buzzing around the flowers in the garden.
La abeja negra estaba zumbando alrededor de las flores en el jardín.
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.
A1 noun /bɪˈɡɪnɪŋ/

beginning

comienzo
Meaning
The start or first part of something.
Example
The beginning of the story was very interesting.
El comienzo de la historia fue muy interesante.
C2 verb /bɪˈlaɪ/

belie

desmentir
Meaning
To give a false impression of something; to contradict.
Example
His calm face belied his inner anxiety.
Su rostro tranquilo desmentía su ansiedad interna.
C2 noun /ˌbʌkəˈnɪər/

buccaneer

pirata
Meaning
a pirate, especially one active in the Caribbean during the 17th and 18th centuries
Example
The buccaneer sailed across the Caribbean in search of treasure.
El bucanero navegó por el Caribe en busca de tesoros.
C1 noun /brɛdθ/

breadth

anchura
Meaning
The distance or measurement from side to side; width; a wide range.
Example
The breadth of his knowledge impressed everyone.
La anchura de su conocimiento impresionó a todos.
B2 noun /bɪzˈnɛs sʌˈsɛs/

business success

éxito empresarial
Meaning
The achievement of desired outcomes in business operations, typically measured by profitability, growth, and sustainability.
Example
Innovation drives business success.
La innovación impulsa el éxito empresarial.
C1 preposition /ˈbɑːrɪŋ/

barring

excepto por, salvo
Meaning
except for; if not for
Example
Barring a miracle, the team will not win the championship.
Salvo un milagro, el equipo no ganará el campeonato.
B1 noun /ˈbæɡɪdʒ/

Baggage

equipaje; pertenencias personales;
Meaning
suitcases and bags containing personal belongings; past experiences or problems that affect behavior
Example
Please collect your baggage from the conveyor belt at the airport.
Por favor, recoja su equipaje en la cinta transportadora en el aeropuerto.
C2 noun /ˈbʌɡəˌbuː/

bugaboo

fantasma / temor
Meaning
An object of fear or worry; an imagined cause of anxiety.
Example
The threat of inflation became a political bugaboo.
La amenaza de la inflación se convirtió en un bugaboo político.
B2 noun /ˈbrɔːdˌkæstər/

broadcaster

locutor
Meaning
a person or organization that transmits a broadcast program.
Example
The broadcaster aired the match live to millions of viewers.
El locutor transmitió el partido en vivo a millones de espectadores.
C2 verb /bɪˈtaɪd/

betide

suceder
Meaning
to happen or occur, usually of something that befalls someone
Example
Woe betide anyone who breaks the rules.
El que rompa las reglas, sufrirá las consecuencias.
B2 noun /bækˈtɪəriəm/

bacterium

bacteria
Meaning
A single microscopic organism belonging to the group of bacteria.
Example
The doctor explained that a single bacterium can multiply rapidly under the right conditions.
El doctor explicó que un solo bacterium puede multiplicarse rápidamente bajo las condiciones adecuadas.
A2 adjective /ˈbroʊkən/

Broken

roto; quebrado; dañado
Meaning
damaged; not working; fractured
Example
The broken window needs to be replaced immediately.
La ventana rota necesita ser reemplazada inmediatamente.
A2 noun /ˈbæskɪtbɔːl/

basketball

baloncesto
Meaning
a game played by two teams who try to score points by throwing a ball through a hoop
Example
He loves playing basketball with his friends.
Le encanta jugar al baloncesto con sus amigos.
C1 noun /ˈbʌrə, ˈbʊrə/

borough

barrio
Meaning
A town, district, or administrative division, especially one with its own local government.
Example
Brooklyn is a borough of New York City.
Brooklyn es un barrio de la ciudad de Nueva York.
C1 noun/adjective /ˈbæstərd/

bastard

bastardo
Meaning
a child born to unmarried parents (offensive); also used informally as an insult or to describe something unpleasant
Example
He called him a bastard in anger.
Lo llamó bastardo con ira.
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.
B2 noun/verb /briːtʃ/

breach

violación
Meaning
A violation or breaking of a law, agreement, or code of conduct; an act of breaking or failing to observe a law, agreement, or code of conduct.
Example
The company faced a breach of data security.
La empresa sufrió una violación de seguridad de datos.
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.
A1 noun /ˈbɒdi/

body

cuerpo
Meaning
the physical structure of a person or animal
Example
Exercise helps keep the body healthy.
El ejercicio ayuda a mantener el cuerpo saludable.
A2 phrasal verb /bæk ʌp/

back up

respaldar; hacer una copia de seguridad; retroceder
Meaning
to support or help someone; to make a copy of data for safety; to move backward
Example
Please back up your files before updating the system.
Por favor, haz una copia de seguridad de tus archivos antes de actualizar el sistema.
C1 noun /bɪˈtreɪər/

Betrayer

traidor; delator
Meaning
a person who betrays someone or something; one who is disloyal
Example
The betrayer was exposed and faced severe consequences.
El traidor fue expuesto y enfrentó graves consecuencias.
C2 noun /ˈbɑːrbərɪzəm/

Barbarism

bárbaro
Meaning
extreme cruelty or brutality; absence of culture and civilization
Example
The barbarism of the war crimes shocked the entire international community.
El barbarismo de los crímenes de guerra sorprendió a toda la comunidad internacional.
C2 noun /ˈbeɪleɪ/

Bele

pez bele
Meaning
a type of freshwater fish found in South Asian rivers, known for its distinctive appearance
Example
The bele fish is commonly caught in the rivers of Bangladesh.
El pez bele se captura comúnmente en los ríos de Bangladés.
C2 noun brəˈvɑː.dəʊ

bravado

gesto de valentía o confianza que no es real
Meaning
Show of courage or confidence that is not real.
Example
His bravado masked his nervousness before the performance.
Su bravado ocultó su nerviosismo antes de la actuación.
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.
C2 verb /bɪˈliːɡər/

beleaguer

asediar, hostigar
Meaning
to cause difficulties, troubles, or harassment; to surround with military forces
Example
The company was beleaguered by constant complaints from its customers.
La empresa estaba siendo asediada por constantes quejas de sus clientes.
B2 noun ˈbreɪk.θruː

breakthrough

descubrimiento importante
Meaning
A sudden, dramatic, and important discovery or development.
Example
The breakthrough opens doors for new technology.
El descubrimiento abre puertas para nuevas tecnologías.
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 noun /bloʊ/

Blow

golpe; un golpe fuerte con la mano, un arma o un objeto duro
Meaning
a powerful stroke with a hand, weapon, or hard object
Example
The boxer delivered a devastating blow to his opponent.
El boxeador dio un golpe devastador a su oponente.
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.
A2 noun /ˈbɪz.nəs/

Business

negocio; empresa; comercio
Meaning
work relating to the production, buying, and selling of goods or services
Example
He started his own business after graduating from university.
Él comenzó su propio negocio después de graduarse de la universidad.
C2 verb /bɪˈsmɪər/

besmear

embarrar
Meaning
to smear or cover with a sticky or dirty substance; to soil
Example
His clothes were besmeared with mud.
Su ropa estaba embarrada con barro.
C1 noun /ˈbaɪoʊˌsfɪr/

Biosphere

biósfera
Meaning
the regions of the surface and atmosphere of the earth occupied by living organisms
Example
Climate change is affecting the entire biosphere.
El cambio climático está afectando a toda la biósfera.
C1 noun /bɜːrθ/

Berth

lit; un lugar para dormir en un barco, tren u otro vehículo
Meaning
a sleeping place in a ship, train, or other vehicle; a place where a ship can dock
Example
I booked an upper berth on the overnight train.
Reservé una litera superior en el tren nocturno.
C1 verb /bɒtʃ/

botch

estropear
Meaning
to carry out a task badly or carelessly
Example
He completely botched the repair job.
Él estropeó completamente el trabajo de reparación.
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.
C1 noun /beɪn/

bane

maldición
Meaning
A cause of great distress, harm, or annoyance.
Example
Traffic jams are the bane of city life.
Los atascos son la maldición de la vida en la ciudad.
A1 noun /bæk/

Back

espalda
Meaning
the rear surface of the human body from the shoulders to the hips; the spine
Example
She hurt her back while lifting heavy boxes.
Ella se lastimó la espalda mientras levantaba cajas pesadas.
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.
C1 noun /blɒˈkeɪd/

Blockade

bloqueo
Meaning
an act or means of sealing off a place to prevent goods or people from entering or leaving
Example
The naval blockade prevented supplies from reaching the port.
El bloqueo naval impidió que los suministros llegaran al puerto.
A2 adjective /braɪt/

Bright

brillante
Meaning
giving out or reflecting much light; vivid in color
Example
The artist used bright colors in her painting.
La artista usó colores brillantes en su pintura.
C1 noun /braɪn/

brine

agua salada
Meaning
Water saturated with salt, often used for preserving food.
Example
The olives were stored in brine to keep them fresh.
Las aceitunas se guardaron en agua salada para mantenerlas frescas.
B2 noun /ˈbɒt.əl.nek/

bottleneck

cuello de botella
Meaning
Narrow path or obstruction, a place or situation where flow becomes slow.
Example
The narrow bridge is a major bottleneck during rush hour.
El puente estrecho es un gran cuello de botella durante la hora punta.
A2 noun /ˈbɪljən/

billion

mil millones
Meaning
the number 1,000,000,000 (one thousand million)
Example
The company is worth more than a billion dollars.
La empresa vale más de mil millones de dólares.