Bankrupt
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B2 noun /ˈbæŋkrʌpt/

Bankrupt

破産
Meaning
a person unable to pay debts; having no money; completely lacking in something
Example
The company went bankrupt after years of poor financial management.
その会社は、長年の不良な財務管理の後、破産しました。
C2 noun /ˈbroʊɡən/

brogan

重い靴
Meaning
A heavy, sturdy shoe, often made of leather.
Example
The farmer wore old brogans while working in the field.
農夫は畑で働いている間、古いブローガンを履いていました。
B2 noun ˈbʌtərflaɪ ˌpɒpjəˈleɪʃən

Butterfly Population

蝶の個体数
Meaning
The total number of butterflies in a particular area or ecosystem.
Example
The butterfly population is declining due to habitat loss.
蝶の個体数は生息地の喪失によって減少しています。
A1 adjective /bɔːrd/

bored

退屈した
Meaning
feeling weary or uninterested because of lack of activity or excitement
Example
She felt bored during the long meeting.
彼女は長い会議の間、退屈していた。
A1 noun /bəˈnæn.ə/

Banana

バナナ
Meaning
a long curved fruit with yellow skin and soft sweet flesh
Example
Bananas are a good source of potassium.
バナナはカリウムの良い供給源です。
C2 noun /biˈætɪtjuːd/

beatitude

至高の幸福または祝福、しばしば山上の説教でのイエスの言葉に関連して使用される
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.
良い知らせを受け取った後、彼女は幸福の状態を感じていた。
C1 adjective /ˈbleɪtənt/

blatant

明白な
Meaning
done openly and unashamedly; obvious and offensive
Example
The company's blatant disregard for safety regulations angered the public.
その企業の安全規制に対する公然たる軽視が、一般市民の怒りを買った。
C2 adjective /bɪˈnɪɡnənt/

benignant

慈悲深い, 親切な
Meaning
Kindly and benevolent in nature.
Example
The teacher’s benignant attitude made the students feel comfortable.
先生の寛大な態度が学生たちを快適にさせた。
A2 noun; gerund /ˈbɒksɪŋ/

boxing

ボクシング
Meaning
the sport of fighting with fists using padded gloves; the act of putting something into a box
Example
He has been training hard for a professional boxing match.
彼はプロのボクシングの試合に向けて厳しく練習している。
C2 noun /ˈbʊlrʌʃ/

bulrush

ヨシ
Meaning
A tall plant with long leaves that grows in or near water, also known as a cattail.
Example
The pond was surrounded by tall bulrushes swaying in the wind.
池は風に揺れる高いヨシで囲まれていました。
C2 noun /beɪz/

baize

粗いウールの布の一種
Meaning
A type of coarse woolen cloth, often green, used for covering tables such as billiard tables.
Example
The old card table was covered with worn baize.
古いカードテーブルは、擦り切れたベイズで覆われていました。
C2 noun /bɒmˈbeɪ dʌk/

Bombay duck

ボンベイフィッシュ
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.
ボンベイダックは乾燥して揚げると人気の珍味です。
C2 noun /ˈblændɪʃmənt/

blandishment

お世辞
Meaning
flattering or pleasing statement or action used to persuade someone gently
Example
She used every blandishment to win his support.
彼女は彼の支持を得るためにあらゆるお世辞を使った。
C1 adjective /ˈbleɪmləs/

blameless

非の打ち所がない
Meaning
innocent of wrongdoing; not deserving blame
Example
She remained calm and blameless throughout the investigation.
彼女は調査中ずっと冷静で非の打ち所がなかった。
B1 noun /ˈbɪldər/

builder

建設業者
Meaning
a person or company that constructs buildings or other structures
Example
The builder checked the site before starting the construction.
建設業者は建設を始める前に現場をチェックしました。
C1 verb /brɔɪl/

broil

グリルする
Meaning
To cook food by direct heat, usually under a grill or over a fire.
Example
She broiled the chicken until it was golden brown.
彼女は鶏肉を金色に焼くまで焼いた。
B1 adjective /ˈblʌdi/

bloody

血まみれ
Meaning
covered in, involving, or containing blood; also used informally for emphasis in British English.
Example
The soldier returned from battle with a bloody arm.
兵士は戦いから血まみれの腕で帰還しました。
C2 noun /bɛl/

belle

美しい女性
Meaning
A beautiful woman, especially the most attractive woman at a gathering.
Example
She was the belle of the ball that evening.
彼女はその晩の舞踏会のベルでした。
B1 noun ˈbreɪvəri

bravery

勇気
Meaning
Courageous behavior or character; the quality of being brave.
Example
The bravery of our soldiers is unforgettable.
私たちの兵士たちの勇気は忘れがたいものです。
C2 adjective /ˈbiːstiəl/

bestial

獣のような
Meaning
Relating to beasts; showing savagery, brutality, or lacking human sensibility.
Example
The prisoners were treated in a bestial manner.
囚人たちは獣のような扱いを受けた。
C2 noun /ˈbækənæl/

bacchanal

狂乱のパーティ
Meaning
A noisy party involving drinking and revelry.
Example
The festival turned into a wild bacchanal by midnight.
祭りは真夜中に狂乱のパーティに変わった。
B2 noun /ˈbɛriəl/

burial

埋葬
Meaning
the act of placing a dead body into the ground.
Example
The burial ceremony took place in the afternoon.
埋葬の儀式は午後に行われた。
B1 noun /ˈbed ʃiːt/

Bed sheet

ベッドシーツ
Meaning
a large rectangular piece of cloth used as bedding to lie on or under
Example
The clean white bed sheet felt soft against her skin.
清潔な白いベッドシーツは彼女の肌に柔らかく感じました。
A2 noun /ˈbɪz.nəs/

Business

ビジネス; 事業; 商業
Meaning
work relating to the production, buying, and selling of goods or services
Example
He started his own business after graduating from university.
彼は大学を卒業後、自分のビジネスを始めました。
B2 noun /brɑːnz/

bronze

銅
Meaning
a metal made by combining copper and tin, often used for statues and medals
Example
The statue was made of solid bronze.
その像は固い銅でできていました。
C1 noun, verb /buːz/

booze

酒
Meaning
alcoholic drink, especially strong liquor; to drink alcohol, often excessively
Example
They bought some booze for the party.
彼らはパーティーのために酒を買った。
B2 noun/verb /ˌbærɪˈkeɪd/

barricade

バリケード
Meaning
a barrier erected to block or defend against movement; to block a passage with obstacles
Example
Protesters built a barricade across the street.
抗議者たちは通りにバリケードを作った。
B1 noun /beɪkt miːt/

Baked meat

焼き肉
Meaning
meat that has been cooked in an oven using dry heat
Example
The baked meat was tender and flavorful.
焼き肉は柔らかくて美味しい。
C2 noun /ˌbaɪ.oʊ.rɪˌmiː.diˈeɪ.ʃən/

bioremediation

バイオレメディエーション
Meaning
The use of living organisms to neutralize or remove environmental contaminants.
Example
Bioremediation helps remove toxins from polluted soil.
バイオレメディエーションは汚染された土壌から毒素を取り除くのに役立ちます。
C2 verb /bɪˈleɪbə/

belabour

くどく説明する
Meaning
to explain something repeatedly or with excessive detail; to criticize or attack verbally at length
Example
The teacher did not belabour the point once the students understood it.
学生が理解した後、教師はその点をくどく説明しなかった。
B2 verb /ˈbætər/

batter

繰り返し打つ
Meaning
To strike repeatedly with force.
Example
The waves battered the shoreline all night.
波が一晩中海岸を打ちました。
A2 preposition /bɪˈsaɪd/

beside

隣に
Meaning
next to or at the side of someone or something
Example
She sat beside her best friend during the ceremony.
彼女は式の間、最良の友達の隣に座っていました。
C1 noun /brəˈzɪər/

Brassiere

ブラジャー
Meaning
a woman's undergarment designed to support the breasts
Example
She bought a comfortable brassiere for daily wear.
彼女は日常的に着るために快適なブラジャーを買いました。
B2 adjective /boʊld/

Bold

大胆; 自信; 勇敢
Meaning
brave; confident; daring
Example
He made a bold decision to start his own business.
彼は自分のビジネスを始めるために大胆な決断を下しました。
C2 adjective /blaɪð/

blithe

無頓着
Meaning
Showing a casual and cheerful indifference considered improper or carefree happiness.
Example
She had a blithe disregard for the rules.
彼女はルールを無頓着に無視した。
A1 adjective /ˈbjuː.tɪ.fəl/

Beautiful

美しい; 魅力的な; 魅惑的な;
Meaning
pleasing to the senses; attractive; having qualities that give great pleasure
Example
She has a beautiful voice that captivates everyone.
彼女はすべての人を魅了する美しい声を持っています。
A2 noun/verb /bəˈluːn/

balloon

風船
Meaning
A small bag made of thin rubber or similar material that can be inflated with air or gas; as a verb, to expand rapidly.
Example
The children played with a red balloon at the party.
子供たちはパーティーで赤い風船で遊んでいました。
A2 noun /biːf/

Beef

牛肉
Meaning
meat from a cow or bull
Example
The restaurant serves the best beef steak in town.
レストランは町で最高の牛肉ステーキを提供しています。
B2 noun ˈbreɪk.θruː

breakthrough

ブレークスルー
Meaning
A sudden, dramatic, and important discovery or development.
Example
The breakthrough opens doors for new technology.
このブレークスルーは新しい技術への扉を開きます。
C2 noun /briːtʃ/

breech

Meaning
The back part of a gun barrel; a position of a baby in the womb where the buttocks or feet come out first at birth.
Example
The rifle was loaded through the breech.
B2 adjective /bɪˈheɪvjərəl/

behavioral

行動的
Meaning
relating to the way a person or animal acts
Example
The psychologist studied the child's behavioral patterns.
心理学者は子供の行動パターンを研究した。
C2 noun /ˈblʌfər/

bluffer

はったり屋
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.
彼がただのはったり屋だと皆が気づいた。
B2 noun /boʊst/

Boast

自慢; 自惚れ; 誇り
Meaning
an act of talking with excessive pride about one's achievements
Example
His constant boast about his wealth annoyed everyone.
彼の財産についての絶え間ない自慢は、みんなをうんざりさせた。
C2 verb /ˈbækˌslaɪd/

backslide

後退
Meaning
To relapse into bad habits, undesirable practices, or moral decline.
Example
After months of progress, he began to backslide into old habits.
数ヶ月の進展の後、彼は古い習慣に戻り始めた。
A2 noun/verb /ˈbætəl/

battle

戦い
Meaning
A fight between armed forces or a struggle to achieve or resist something.
Example
The soldiers prepared for the final battle.
兵士たちは最終決戦の準備をしました。
A2 noun /belt/

Belt

ベルト
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.
彼は走りに行く前にベルトを締めました。
B2 noun /blæk sneɪk/

Black Snake

黒い蛇
Meaning
a snake with dark or black colored skin
Example
The black snake slithered through the grass.
黒い蛇は草の中を這いました。
C2 noun /ˈbɑːr.nɪ.kəl/

Barnacle

フジツボ
Meaning
a marine crustacean that attaches itself permanently to underwater surfaces
Example
The old ship's hull was covered with barnacles.
古い船の船体にはフジツボがびっしりと付いていた。
C1 noun /bəˈnɛv.ə.ləns/

benevolence

慈善または優しさ
Meaning
The quality of being well meaning and kindly; the disposition to do good.
Example
His benevolence towards the poor earned him respect.
貧しい人々に対する彼の優しさは、彼に尊敬をもたらしました。
A2 noun /ˈbɪljən/

billion

Meaning
the number 1,000,000,000 (one thousand million)
Example
The company is worth more than a billion dollars.
C1 noun/adjective/verb /bʌf/

buff

映画ファン / 磨く
Meaning
A fan or enthusiast; also to polish or shine something.
Example
He is a movie buff who watches films every weekend.
彼は毎週末映画を観る映画ファンです。
A1 noun, verb /baɪk/

bike

自転車
Meaning
a bicycle or motorcycle; to ride a bicycle
Example
He biked to school every day.
彼は毎日自転車で学校に行きました。
B1 noun, verb /bʌz/

buzz

ブーンという音
Meaning
to make a low continuous humming sound; a feeling of excitement or interest
Example
I could hear the phone buzz during the meeting.
会議中に電話がブーンと鳴るのが聞こえた。
C1 noun /brɪˈɡeɪd/

brigade

消防隊
Meaning
A large group of people organized for a specific purpose, especially a military unit.
Example
The fire brigade arrived quickly to put out the flames.
消防隊は火を消すために迅速に到着しました。
C1 verb /ˈbæbəl/

babble

おしゃべりする
Meaning
to talk rapidly and continuously in a foolish way
Example
The baby babbles all day long.
赤ちゃんは一日中おしゃべりしています。
A2 noun /ˈbʌdi/

buddy

友達
Meaning
a close friend or companion, used informally
Example
He went to the movies with his best buddy.
彼は一番の友達と映画を見に行った。
C2 noun /ˈbɔːbəl/

bauble

小さな装飾品
Meaning
A small, decorative trinket or ornament, often of little value.
Example
She wore a shiny bauble around her neck.
彼女は首に輝く小さな装飾品をつけていた。
C2 adjective /ˈbʌmpʃəs/

bumptious

自信過剰な
Meaning
Arrogantly self-assertive or conceited.
Example
The bumptious student interrupted the teacher several times.
その自信過剰な学生は何度も先生を遮った。
B2 noun, verb /bəˈfeɪ/ (noun), /ˈbʌfɪt/ (verb)

buffet

Meaning
A meal where guests serve themselves from a variety of dishes arranged on a table; also means to strike repeatedly (as a verb).
Example
We enjoyed a large buffet at the wedding reception.
C1 verb /bɪˈriːv/

bereave

大切な人を失う
Meaning
to deprive someone of a loved one through death
Example
She was bereaved of her husband last year.
彼女は昨年、夫を亡くしました。
B1 noun /bloʊ/

Blow

打撃; 手、武器、または硬い物体での強力な一撃
Meaning
a powerful stroke with a hand, weapon, or hard object
Example
The boxer delivered a devastating blow to his opponent.
ボクサーは対戦相手に壊滅的な一撃を与えました。
C2 adjective /ˈbeɪnfəl/

baneful

有害な
Meaning
Causing harm, ruin, or destruction; deadly or poisonous.
Example
His baneful influence ruined the community.
彼の有害な影響がコミュニティを破壊した。
C1 adjective /ˈbær.ən/

Barren

不毛の; 荒涼とした; 生産性がない; 不生産的
Meaning
sterile; unable to produce; desolate; unproductive
Example
The barren desert stretched for miles without any vegetation.
荒れ果てた砂漠は何マイルも広がり、植物は一切なかった。
C2 adjective /ˈbrɔːni/

brawny

筋肉質な
Meaning
Physically strong and muscular.
Example
The brawny man lifted the heavy box with ease.
その筋肉質の男性は重い箱を軽々と持ち上げた。
B2 noun /ˈbʌn.dəl/

Bundle

束; バンドル
Meaning
a collection of things or quantity of material tied or wrapped up together
Example
The mailman delivered a bundle of letters to our house.
郵便配達員は家に手紙の束を届けました。
C2 verb /bɪˈhuːvz/

behooves

必要である
Meaning
third person singular form of 'behoove'; means it is proper or necessary
Example
It behooves every citizen to follow the law.
すべての市民は法律を守るべきです。
C2 noun /ˌbeɪt ˈnwɑːr/

bete noire

特に嫌われるもの
Meaning
A person or thing that one particularly dislikes or fears.
Example
Grammar has always been his bete noire.
文法は常に彼のベットノワールでした。
A1 preposition/adverb/conjunction /bɪˈfɔːr/

before

前に
Meaning
At an earlier time; in front of in order or place.
Example
She arrived before the meeting started.
彼女は会議が始まる前に到着した。
C2 verb /bɪˈteɪk/

betake

向かう；取りかかる
Meaning
to go or resort to a place or course of action, especially as a response; to apply oneself
Example
After dinner, she betook herself to her room to read.
夕食後、彼女は読書のため自分の部屋へ向かった。
A1 noun /bɪˈɡɪnɪŋ/

beginning

始まり
Meaning
The start or first part of something.
Example
The beginning of the story was very interesting.
物語の始まりはとても興味深かった。
B1 verb /baʊns/

bounce

跳ね返る
Meaning
to spring back after hitting something; to rebound.
Example
The ball bounced off the wall and hit the window.
ボールは壁に当たって跳ね返り、窓に当たりました。
A1 verb /bɪˈliːv/

believe

信じる
Meaning
to think that something is true; to have faith in
Example
I believe in hard work and dedication.
私は努力と献身を信じます。
C2 noun /ˈbuːt.leɪs/

Boot-lace

ブーツのひも
Meaning
a cord or string used to fasten a boot or shoe
Example
I need to tie my boot-lace before going for a walk.
散歩に出かける前に、ブーツのひもを結ばなければなりません。
B2 noun /beɪs/

bass

低い男性の声 / ベースギター
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.
彼はコンサートでベースギターを弾いた。
A2 noun breɪn

brain

脳
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.
脳は一度に一つのことにしか集中できません。
B1 noun, verb /ˈbʊli/

bully

いじめっ子 / 加害者
Meaning
A person who habitually seeks to harm or intimidate those weaker; to intimidate or mistreat someone weaker.
Example
The teacher stopped the older boy from trying to bully his classmates.
先生は年上の男の子がクラスメートをいじめるのを止めました。
C1 verb /ˈblækən/

blacken

黒くする
Meaning
to make something black or darker; to stain, soil, or tarnish
Example
Smoke from the fire began to blacken the walls.
火事の煙が壁を黒くし始めた。
C1 noun/verb /ˈbæntər/

banter

冗談
Meaning
playful and friendly exchange of teasing remarks
Example
The colleagues enjoyed some light banter during the meeting.
同僚たちは会議中に軽いバンターを楽しんだ。
C1 adjective /ˈbʊkɪʃ/

Bookish

本好きな; 学問的な
Meaning
studious; scholarly; devoted to reading and studying
Example
She was known for her bookish nature and love of literature.
彼女は本好きな性格と文学への愛で知られていました。
C2 verb /ˈblækˌbɔːl/

blackball

排除する
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.
彼は論争の後、クラブから排除された。
C2 verb /ˈbæstərdaɪz/

bastardize

歪める
Meaning
to corrupt or debase something by altering it from its original form; to change in a way that reduces quality or purity
Example
Critics argue that the remake bastardized the original novel.
批評家たちはそのリメイクが原作を歪めたと言っている。
C2 verb /bɪˈdɔːb/

bedaub

塗る
Meaning
to smear or cover with a sticky or dirty substance
Example
The children bedaubed the wall with paint.
子供たちは壁にペンキを塗った。
C2 noun /bɪˈtroʊðəl/

betrothal

婚約
Meaning
The formal engagement to be married.
Example
Their betrothal was announced to the whole village.
彼らの婚約は村中に発表されました。
B2 noun /ˈbriː.ðɪŋ tɛkˌniːks/

breathing techniques

呼吸法
Meaning
Methods of controlling breathing to achieve relaxation and improve health.
Example
Breathing techniques help in reducing stress and anxiety.
呼吸法はストレスや不安を減らすのに役立ちます。
C2 adjective /ˈbʌmblɪŋ/

bumbling

不器用
Meaning
Acting in a clumsy, awkward, or confused way.
Example
The bumbling waiter spilled the drinks on the table.
その不器用なウェイターはテーブルに飲み物をこぼした。
C2 noun /brɪˈtæniə/

britannia

ブリタニア
Meaning
the personification of Britain, often shown as a woman with a helmet and shield
Example
Britannia has been a symbol of Britain since Roman times.
ブリタニアはローマ時代からイギリスの象徴です。
B1 verb /beɪð/

bathe

入浴
Meaning
to wash oneself; to clean the body with water
Example
I bathe every morning before going to work.
私は毎朝、仕事に行く前にお風呂に入ります。
A2 verb /bit/

beat

叩く
Meaning
to strike repeatedly; to defeat; to pulsate rhythmically
Example
Our team will beat theirs in the final match.
私たちのチームは決勝戦で彼らに勝ちます。
B1 noun /ˈbraɪd.ɡrʊm/

Bridegroom

新郎
Meaning
a man on his wedding day or just before and after the event
Example
The nervous bridegroom waited at the altar for his bride to arrive.
緊張した新郎は祭壇で花嫁の到着を待っていた。
B2 adjective /ˈbaɪəst/

Biased

偏見
Meaning
showing prejudice for or against someone or something unfairly
Example
The judge was accused of being biased against the defendant.
裁判官は被告に対して偏見があると告発されました。
B2 noun /ˈbækˌsaɪd/

backside

背中
Meaning
the rear part or surface of something; informal term for the buttocks
Example
The kids slid down the hill on their backside.
子供たちは丘を背中で滑り降りました。
C2 noun /ˈbrɪtɪˌsɪzəm/

briticism

イギリス英語の単語または特徴
Meaning
a word, phrase, or characteristic feature of British English
Example
The word 'lorry' is a well-known Briticism.
'lorry' という言葉はよく知られているブリティシズムです。
B1 adjective /bɔɪld/

Boiled

ゆでた
Meaning
cooked in boiling water
Example
She served boiled eggs for breakfast.
彼女は朝食に茹で卵を出しました。
A2 verb /bɛr/

bear

耐える
Meaning
to carry; to endure; to give birth to; to support
Example
She cannot bear the pain anymore.
彼女はもうこの痛みを耐えられません。
C1 noun /ˈbæləd/

ballad

叙事歌
Meaning
a narrative song or poem, often sentimental or romantic
Example
The singer performed a moving ballad about lost love.
歌手は失われた愛について感動的なバラッドを披露しました。
C2 noun /bəˈfuːn/

buffoon

道化師
Meaning
A ridiculous but amusing person; a clown or jester.
Example
He acted like a buffoon at the party, making everyone laugh.
彼はパーティーで道化師のように振る舞い、みんなを笑わせた。
C1 noun /ˈbɪɡətri/

bigotry

偏見
Meaning
Intolerance toward those who hold different opinions or lifestyles.
Example
Her bigotry prevented her from accepting people with different beliefs.
彼女の偏見は、異なる信念を持つ人々を受け入れることを妨げていた。
C2 adjective /boʊˈhiːmiən/

bohemian

ボヘミアン
Meaning
unconventional, artistic, and free-spirited in lifestyle or appearance
Example
She decorated her apartment in a bohemian style with colorful fabrics.
彼女はカラフルな布でボヘミアンスタイルでアパートを飾りました。
B1 verb /bʌmp/

bump

衝突
Meaning
To hit something or someone by accident; to knock against something.
Example
He accidentally bumped into the door.
彼はドアに偶然ぶつかった。
A2 noun /bɑːθ/

Bath

お風呂; 浴槽
Meaning
the act of washing one's body; a container for bathing
Example
I take a hot bath every evening.
私は毎晩、熱いお風呂に入ります。
B1 verb/noun /bɔːr/

bore

退屈させる
Meaning
Verb: To make someone feel uninterested or tired; Noun: A dull or tiresome person.
Example
The lecture began to bore the students.
講義は学生を退屈させ始めた。
B2 noun /ˈbrɔːdˌkæstər/

broadcaster

放送者
Meaning
a person or organization that transmits a broadcast program.
Example
The broadcaster aired the match live to millions of viewers.
ブロードキャスターは試合を数百万の視聴者にライブ放送しました。
C1 noun /bʌm/

bum

尻
Meaning
informal term for the buttocks; also a homeless or lazy person
Example
He sat on his bum all day doing nothing.
彼は一日中お尻に座って何もしなかった。
C1 adjective /ˈbrɪslɪŋ/

bristling

逆立ちした; エネルギーに満ちた
Meaning
full of energy, anger, or excitement; showing bristles standing up
Example
He entered the room bristling with confidence.
彼は自信満々で部屋に入った。
C1 noun /bruːˈtæləti/

brutality

残虐さ
Meaning
extreme cruelty or violence; savage or inhumane treatment
Example
The brutality of the attack shocked the entire community.
その攻撃の残虐さは地域全体を震撼させた。
B2 noun /bɪtʃ/

Bitch

雌犬;
Meaning
a female dog; an unpleasant or spiteful woman (offensive)
Example
The bitch gave birth to five puppies.
その雌犬は5匹の子犬を産んだ。
A2 noun /brɪdʒ/

Bridge

橋
Meaning
a structure carrying a road, path, railway, etc. across a river, road, or other obstacle
Example
The old stone bridge has connected the two towns for over a century.
古い石橋は1世紀以上にわたって二つの町を結びつけてきました。
B2 verb /ˈbraɪtən/

brighten

明るくする
Meaning
to make something lighter or more colorful; to improve mood or make happier
Example
A few kind words can brighten someone's day.
優しい言葉は誰かの一日を明るくすることができる。
B2 noun /biːm/

beam

光線 / 梁
Meaning
a ray or shaft of light; a long piece of wood or metal used to support weight
Example
A beam of sunlight entered through the window.
一筋の光線が窓から入ってきた。
A2 noun /ˈbɪs.kɪt/

Biscuit

ビスケット
Meaning
a small, hard, dry cake; a cookie
Example
Children love to eat chocolate biscuits with milk.
子供たちはミルクと一緒にチョコレートビスケットを食べるのが好きです。
C2 noun /ˌbædɪˈnɑːʒ/

badinage

冗談、遊び心のある会話
Meaning
Playful and humorous conversation; banter.
Example
The friends enjoyed a light badinage over coffee.
友達はコーヒーを飲みながら軽い冗談を楽しみました。
B2 noun; verb /breɪs/

brace

装具；備える
Meaning
a device that supports or strengthens something; to prepare mentally or physically for something difficult
Example
She braced herself for the strong wind.
彼女は強い風に備えた。
B2 noun /brɑː/

bra

ブラジャー
Meaning
a woman's undergarment worn to support and cover the breasts
Example
She bought a comfortable bra for everyday wear.
彼女は普段使いのために快適なブラジャーを買った。
C1 noun /ˈblɛm.ɪʃ/

blemish

欠点
Meaning
A small mark or flaw that spoils the appearance of something.
Example
The mirror had a small blemish on the surface.
鏡には表面に小さな欠点があった。
C2 noun ˈbaɪəʊˌsaɪd

biocide

バイオサイド
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.
バイオサイドは害虫をコントロールし、病気の拡散を減らすのに役立ちます。
C2 noun /ˌbʌkəˈnɪər/

buccaneer

海賊
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.
その海賊はカリブ海を航海し、宝物を探していた。
C2 noun /ˈbɜːrɡər/

burgher

市民（裕福な中産階級）
Meaning
A citizen of a town, typically a member of the wealthy middle class.
Example
The burgher was respected as a prosperous merchant in the city.
その市民は、町で繁栄している商人として尊敬されていました。
C2 noun ˌbaɪ.oʊ.əˈveɪ.lə.bɪl.ə.ti

bioavailability

体内吸収能力
Meaning
The degree to which a substance can be absorbed and used by the body.
Example
Turmeric's bioavailability increases when consumed with black pepper.
ターメリックのバイオアベイラビリティは、黒コショウと一緒に摂取することで増加します。
B1 noun /ˈbriːðɪŋ/

breathing

幸せ
Meaning
the process of taking air into and expelling it from the lungs.
Example
Deep breathing can help you relax.
彼女は賞を受け取ったとき、幸せを隠せませんでした。
C2 adjective /ˈbɑː.bər.əs/

Barbarous

野蛮な; 残忍な; 未開の
Meaning
extremely cruel; uncivilized; savage
Example
The barbarous treatment of prisoners was condemned by human rights organizations.
囚人に対する野蛮な扱いは人権団体によって非難された。
C2 noun /ˈbiː.təl nʌt/

Betel-nut

ベテルナッツ
Meaning
seed of the areca palm tree, often chewed as a stimulant
Example
Betel-nut is commonly chewed in many South Asian countries.
ベテルナッツは南アジアの多くの国で一般的に噛まれています。