boon
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C1 noun /buːn/

boon

恩恵
Meaning
A thing that is helpful or beneficial.
Example
The internet is a boon to modern education.
インターネットは現代教育にとって恩恵です。
C1 noun /ˈbaɪoʊˌsfɪr/

Biosphere

バイオスフィア
Meaning
the regions of the surface and atmosphere of the earth occupied by living organisms
Example
Climate change is affecting the entire biosphere.
気候変動はバイオスフィア全体に影響を与えています。
C1 noun /blɜːrb/

blurb

宣伝文
Meaning
a short promotional description of a book, product, or service
Example
The back cover had a blurb praising the novel.
本の裏表紙にはその小説を称賛する宣伝文があった。
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。
C1 noun /ˌbɪbliˈɒɡrəfi/

bibliography

参考文献リスト
Meaning
a list of books, articles, or other sources used or referred to in scholarly work
Example
The report includes a detailed bibliography at the end.
レポートには最後に詳細な参考文献リストが含まれています。
C1 verb /bɪˈsiːdʒ/

besiege

包囲する
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.
その都市は敵軍によって包囲されました。
C1 adjective /ˈbɛndi/

bendy

柔軟な
Meaning
Easily curved or flexible.
Example
The bendy straw made it easier to drink from the cup.
曲がるストローでカップから飲むのが楽になった。
C1 noun /bəˈrɒmɪtər/

barometer

気圧計
Meaning
an instrument that measures atmospheric pressure
Example
The barometer indicated a storm was approaching.
バロメーターは嵐が近づいていることを示しました。
C1 noun /bəˈnæn.zə/

Bonanza

富、運、または利益の突然の増加を引き起こす状況や出来事
Meaning
a situation or event that creates a sudden increase in wealth, good fortune, or profits
Example
The oil discovery was a bonanza for the small country.
石油の発見は小さな国にとってボナンザでした。
C1 noun /ˈbroʊkərɪdʒ/

brokerage

仲介業者
Meaning
A firm that acts as an intermediary between buyers and sellers, often charging a fee.
Example
The real estate brokerage helped them find a new home.
不動産仲介業者は彼らが新しい家を見つけるのを手伝った。
C1 adjective /ˈbuːzi/

boozy

酒気帯びた
Meaning
containing or involving a lot of alcohol; slightly drunk from alcohol
Example
The party became boozy as the night went on.
夜が更けるにつれて、パーティーは酒気帯びてきた。
C1 adjective ˌbjʊə.rəˈkræt.ɪk

bureaucratic

官僚的な
Meaning
Involving or characterized by complex rules and procedures that can delay the achievement of goals.
Example
Bureaucratic red tape often delays project approvals.
官僚的な手続きはしばしばプロジェクトの承認を遅らせる。
C1 verb bɪˈkwiːð

bequeath

遺贈する
Meaning
Leave something to someone in a will; pass down or hand down to the next generation.
Example
The scientist bequeathed his research papers to the university.
科学者は彼の研究論文を大学に遺贈した。
C1 adjective /ˈblʌdləs/

bloodless

血のない
Meaning
without bloodshed; lacking violence or vitality
Example
The revolution was surprisingly bloodless.
革命は驚くべきことに血を流さなかった。
C1 verb /blɛər/

blare

大きな音を立てる
Meaning
to make a loud, harsh sound
Example
The car horns blared all night.
車のクラクションは一晩中鳴り響いていた。
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。
C1 noun, verb /ˈbʌtrəs/

buttress

支柱, 支え
Meaning
a structure built against a wall for support; to support or strengthen
Example
The cathedral walls were buttressed to prevent collapse.
大聖堂の壁は崩壊を防ぐために支えられていました。
C1 noun /bɜːrθ/

Berth

寝台; 船、列車、または他の乗り物で寝る場所
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.
私は夜行列車で上段の寝台を予約しました。
C1 noun /ˈbeɪ.zəl siːdz/

Basil Seeds

バジルシード
Meaning
small black seeds from the basil plant, often used in drinks and desserts
Example
I added basil seeds to my lemonade for a refreshing drink.
私はレモネードにバジルシードを加えて、さっぱりとした飲み物を作りました。
C1 adjective /ˈbeɪs.ləs/

Baseless

根拠のない; 事実無根の; 無根拠の
Meaning
without foundation; groundless; unfounded
Example
The accusations against him were completely baseless.
彼に対する告発は完全に根拠のないものでした。
C1 adjective /ˈbreɪzən/

brazen

Meaning
Bold and without shame; shameless.
Example
She made a brazen attempt to lie in front of everyone.
C1 verb, noun /ˈbrɪsəl/

bristle

硬い毛; 怒りで反応する
Meaning
to react angrily or defensively; a short stiff hair or fiber
Example
The cat bristled when it saw the dog.
猫は犬を見て、毛が逆立った。
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。
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。
C1 noun/adjective /ˈbaɪ.ɡɒn/

bygone

過ぎ去った
Meaning
Something belonging to an earlier time; past and no longer existing.
Example
He often talks about the traditions of bygone days.
彼はよく過去の日々の伝統について話します。
C1 adjective /ˈboʊɡəs/

bogus

偽物
Meaning
false, fake, or not genuine
Example
The police arrested him for using a bogus ID card.
警察は偽のIDカードを使用したため、彼を逮捕しました。
C1 noun /ˈbæs.ti.ən/

bastion

要塞, 防衛拠点
Meaning
a stronghold or fortification; a place or institution strongly defending particular principles
Example
The castle stood as a bastion against enemy attacks.
その城は敵の攻撃に対する要塞として立っていました。
C1 verb /ˈbrændɪʃ/

brandish

振る
Meaning
to wave or flourish something, especially a weapon, in a threatening or showy way
Example
He brandished a sword to scare off the intruders.
彼は侵入者を怖がらせるために剣を振った。
C1 adjective /bəˈroʊk/

baroque

バロック様式
Meaning
relating to a highly ornate and extravagant style of art, architecture, or music from the 17th and early 18th centuries; excessively elaborate or complex
Example
The church was decorated in a baroque style with intricate details.
教会はバロック様式で複雑な詳細で飾られていました。
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 adjective /ˈbɒt.əl ɡriːn/

Bottle-green

ボトルグリーン
Meaning
a dark green color similar to that of a green glass bottle
Example
She wore a beautiful bottle-green dress to the evening party.
彼女は夜のパーティーに美しいボトルグリーンのドレスを着ていた。
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。
C1 adjective ˈbɜːdʒənɪŋ

burgeoning

急成長
Meaning
Beginning to grow or increase rapidly; flourishing.
Example
The burgeoning tech industry has attracted many investors.
急成長しているテクノロジー業界は、多くの投資家を引き付けました。
C1 noun /ˈbeɪsbɔːrd/

baseboard

基板
Meaning
A narrow board running along the bottom of an interior wall, covering the joint between wall and floor.
Example
The carpenter painted the baseboard white.
大工は基板を白く塗った。
C1 preposition /ˈbɑːrɪŋ/

barring

を除いて、を除く
Meaning
except for; if not for
Example
Barring a miracle, the team will not win the championship.
奇跡を除いて、チームはチャンピオンシップを勝ち取らない。
C1 adjective /bɪˈriːvd/

Bereaved

悲嘆に暮れる
Meaning
having lost a loved one through death
Example
The bereaved family received many condolences.
悲嘆に暮れる家族は多くの弔辞を受け取った。
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。
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。
C1 noun /bəˈtæljən/

battalion

大隊
Meaning
A large body of soldiers ready for battle, typically consisting of several companies.
Example
The battalion was deployed to the front line.
その大隊は前線に展開されました。
C1 verb /ˈbəʊl.stər/

bolster

強化する
Meaning
To support or strengthen; to prop up.
Example
The new policy aims to bolster economic growth.
新しい政策は経済成長を強化することを目的としています。
C1 noun /ˈbærɪstər/

barrister

弁護士
Meaning
A type of lawyer in certain legal systems who specializes in courtroom advocacy and litigation.
Example
The barrister argued the case passionately before the judge.
弁護士は裁判官の前で情熱的にケースを弁論しました。
C1 adjective /ˈbrɪtl/

brittle

壊れやすい
Meaning
easily broken or cracked; hard but liable to break
Example
The glass was so brittle that it cracked easily.
ガラスはとても壊れやすくて、簡単に割れました。
C1 noun /ˈbaɪ.lɔː/

by-law

地方条例
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.
市議会は、街頭の販売業者を規制する新しい条例を可決しました。
C1 verb /bɪˈhɛd/

behead

斬首する
Meaning
to cut off a person's or animal's head; to remove the leader or most important part
Example
The historical account describes how the traitor was beheaded as punishment.
歴史的記録は、罰として裏切り者が斬首された様子を描写している。
C1 verb /bɪˈɡɛt/

beget

生む / 引き起こす
Meaning
to bring about or give rise to; to father or produce
Example
Violence begets more violence.
暴力はさらなる暴力を生む。
C1 adjective/verb /ˈbæntərɪŋ/

bantering

冗談を言う
Meaning
characterized by good-humored teasing or joking
Example
They had a bantering conversation at the café.
彼らはカフェで冗談交じりの会話をしていた。
C1 verb /ˈbɪkər/

bicker

些細なことで言い争う
Meaning
To argue or quarrel about trivial matters.
Example
The children began to bicker over the last piece of cake.
子供たちは最後のケーキの一切れをめぐって言い争いを始めた。
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 /ˌbaɪˈlæt.ər.əl nɪˌɡəʊ.ʃiˈeɪ.ʃənz/

bilateral negotiations

二国間交渉
Meaning
Negotiations or discussions between two parties, typically countries or organizations.
Example
Bilateral negotiations resolve disputes.
二国間交渉は紛争を解決する。
C1 adjective /ˈbɑːmi/

balmy

穏やかで心地よい温かさ；癒し。
Meaning
Mild and pleasantly warm; soothing.
Example
We enjoyed a walk on a balmy summer evening.
私たちは穏やかな夏の夕方に散歩を楽しみました。
C1 adjective /ˈbɔɪstərəs/

boisterous

騒々しい
Meaning
noisy, energetic, and cheerful; rowdy
Example
The children were boisterous during the birthday party.
誕生日パーティーで子供たちは騒々しかった。
C1 noun /brʌnt/

brunt

主な影響
Meaning
the worst part or main impact of something unpleasant
Example
The small town bore the brunt of the storm.
小さな町は嵐の主な影響を受けました。
C1 noun /ˈboʊ.ə/

Boa

ボアコンストリクター
Meaning
a large non-venomous snake that kills prey by constriction
Example
The boa constrictor wrapped around its prey.
ボアコンストリクターはその獲物を巻きつけました。
C1 verb /bɒtʃ/

botch

失敗する
Meaning
to carry out a task badly or carelessly
Example
He completely botched the repair job.
彼は修理の仕事を完全に失敗させた。
C1 adjective /ˈbækˌhændɪd/

backhanded

間接的または皮肉な
Meaning
Indirect or sarcastic, often appearing as praise but actually insulting.
Example
She gave him a backhanded compliment about his work.
彼女は彼の仕事に対して間接的な褒め言葉を言った。
C1 noun /brɛdθ/

breadth

幅
Meaning
The distance or measurement from side to side; width; a wide range.
Example
The breadth of his knowledge impressed everyone.
彼の知識の幅は皆に感銘を与えました。
C1 verb/noun ˈbuːt.stræp

bootstrap

外部の資金調達なしで個人資源を使用してビジネスを立ち上げ、発展させる
Meaning
To start and develop a business using personal resources without external funding.
Example
He bootstrapped his company with minimal resources.
彼は最小限のリソースで自分の会社を立ち上げました。
C1 verb /bɒmˈbɑːrd/

bombard

Meaning
to attack continuously with bombs, questions, or other forces
Example
Reporters bombarded the minister with difficult questions.
C1 noun /ˈblɪs.tər/

Blister

水ぶくれ
Meaning
a small bubble on the skin filled with serum and caused by friction, burning, or other damage
Example
The new shoes gave her a painful blister on her heel.
新しい靴が彼女のかかとに痛い水ぶくれを作った。
C1 noun /bʊk ˈbaɪn.dər/

Book binder

本の製本工
Meaning
a person whose job is to fasten the pages of books together and put covers on them
Example
The old book binder carefully restored the antique manuscript.
古い本の製本工は古文書を慎重に修復しました。
C1 adjective /ˈbɔɪənt/ or /ˈbuːjənt/

buoyant

浮力のある、元気な
Meaning
Able to float easily; cheerful and optimistic.
Example
She remained buoyant despite the difficulties.
彼女は困難にもかかわらず前向きで元気でした。
C1 adjective /ˈblaɪtɪd/

blighted

荒廃した
Meaning
Spoiled, damaged, or destroyed.
Example
The blighted neighborhood was abandoned by most residents.
荒廃した地域はほとんどの住民によって放棄されました。
C1 noun /ˈbreɪkər/

breaker

ブレーカー（何かを壊す人や物、海岸近くで泡に壊れる大きな波、電気回路を中断する装置）
Meaning
A person or thing that breaks something; a large sea wave that breaks into foam near the shore; a device that interrupts an electric circuit.
Example
The breaker tripped during the storm, cutting off electricity.
嵐の間にブレーカーがトリップし、電気が切断されました。
C1 phrase ˌbaɪ.oʊ.daɪˈvɜː.sɪ.ti ˌprez.əˈveɪ.ʃən

biodiversity preservation

生物多様性の保護
Meaning
The protection and conservation of the variety of life in all its forms, including different species, genetic diversity, and ecosystems.
Example
Biodiversity preservation is critical for ecological balance.
生物多様性の保護は生態系のバランスにとって重要です。
C1 noun /blaɪt/

blight

枯れ病
Meaning
A disease or condition that causes plants to wither; something that spoils or damages.
Example
The drought was a blight on the farmer’s crops.
干ばつは農家の作物にとって枯れ病でした。
C1 noun /braɪn/

brine

塩水
Meaning
Water saturated with salt, often used for preserving food.
Example
The olives were stored in brine to keep them fresh.
オリーブは新鮮さを保つために塩水に保存されました。
C1 verb /bruːd/

brood

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.
C1 noun /beɪn/

bane

災い
Meaning
A cause of great distress, harm, or annoyance.
Example
Traffic jams are the bane of city life.
交通渋滞は都市生活の災いです。
C1 verb /broʊtʃ/

broach

取り上げる
Meaning
to bring up a subject for discussion
Example
She decided to broach the topic of salary with her manager.
彼女はマネージャーと給料の話題を取り上げることに決めました。
C1 noun /baʊt/

Bout

試合; ラウンド; 時期;
Meaning
a short period of intense activity of a specified kind; a wrestling or boxing match
Example
After a bout of illness, she finally recovered and returned to work.
病気の一段落後、彼女はついに回復し、仕事に戻りました。
C1 adjective /ˈbloʊtɪd/

bloated

膨れた
Meaning
swollen or puffed up, often unpleasantly
Example
After the big meal, he felt bloated and uncomfortable.
大きな食事の後、彼は膨れた感じで不快に感じていた。
C1 noun /bɪˈriːvmənt/

bereavement

Meaning
The state of having lost a loved one through death.
Example
She received many letters of sympathy during her time of bereavement.
C1 adjective /bɪˈrɛft/

bereft

失われた
Meaning
Deprived of or lacking something, especially a nonmaterial asset.
Example
After the betrayal, he felt bereft of hope and trust.
裏切りの後、彼は希望と信頼を失ったと感じた。
C1 verb /bɪˈreɪt/

berate

叱る
Meaning
to scold or criticize angrily
Example
The teacher berated the student for being late.
先生は遅刻した生徒を叱った。
C1 noun /ˈbenɪˌfæktər/

Benefactor

恩人; 支援者; 寄付者
Meaning
a person who gives money or other help to support a person or cause; a patron
Example
The anonymous benefactor donated millions to the hospital.
匿名の寄付者は病院に何百万も寄付しました。
C1 verb /ˈbʌŋɡəl/

bungle

台無しにする
Meaning
To carry out a task clumsily or incompetently.
Example
He bungled the presentation and confused the audience.
彼はプレゼンテーションを台無しにし、聴衆を混乱させました。
C1 noun /ˈbænɪstər/

banister

手すり
Meaning
a railing supported by posts at the side of a staircase or balcony
Example
She held the banister tightly while going down the stairs.
彼女は階段を降りる時、手すりをしっかりと握っていた。
C1 verb /ˈbɒɡəl/

boggle

困惑させる
Meaning
to overwhelm or confuse; to be astonished or puzzled by something
Example
The complexity of the puzzle boggled his mind.
パズルの複雑さが彼の頭を困惑させた。
C1 noun/verb /ˈbɔɪ/ or /ˈbuːi/

buoy

ブイ, 浮かべる
Meaning
A floating marker on water; to keep something afloat or encourage someone.
Example
The news buoyed their spirits after the loss.
ニュースは喪失後、彼らの気持ちを高めました。
C1 adjective /bəˈlɪdʒ.ər.ənt/

belligerent

好戦的または攻撃的
Meaning
Hostile and aggressive, ready to fight or argue.
Example
His belligerent attitude often leads to conflicts.
彼の好戦的な態度はしばしば衝突を引き起こします。
C1 noun /ˈblʌd.ʃed/

Bloodshed

流血; 大虐殺
Meaning
the killing or wounding of people, typically in large numbers during a conflict
Example
The peace treaty was signed to prevent further bloodshed.
平和条約はさらなる流血を防ぐために署名されました。
C1 noun /ˈbʊl.ək/

Bullock

牛
Meaning
a young bull; a castrated bull used for farm work
Example
The farmer used a bullock to plow the field.
農夫は田んぼを耕すために牛を使いました。
C1 verb /bɔːl/

bawl

大声で泣く
Meaning
to shout or cry loudly
Example
The baby bawled all night, keeping everyone awake.
赤ちゃんは一晩中泣き続け、みんなを起こしてしまった。
C1 noun /ˈbɛd.rɒk/

bedrock

基盤
Meaning
the solid rock layer beneath the soil; the fundamental basis of something
Example
Trust is the bedrock of a healthy relationship.
信頼は健康な関係の基盤です。
C1 noun /ˈbɪtər ɡɔːrd/

Bitter Gourd

ゴーヤ
Meaning
a green, bumpy vegetable with a very bitter taste, known for its medicinal properties
Example
Bitter gourd is excellent for controlling blood sugar levels.
ゴーヤは血糖値をコントロールするのに優れています。
C1 verb /ˈbæfəl/

baffle

困惑させる
Meaning
to confuse; to be too difficult to understand
Example
The math problem baffles me completely.
数学の問題は私を完全に困惑させます。
C1 noun /ˈbʊzəm/

bosom

胸
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.
彼女は秘密を胸にしまっておいた。
C1 noun /ˈbɪɡ.ət/

bigot

偏見者
Meaning
A person who is intolerant toward those holding different opinions or beliefs.
Example
He was called a bigot for refusing to listen to others' views.
他人の意見を聞こうとしなかったため、彼は偏見者と呼ばれました。
C1 noun/verb /brʊk/

brook

小川 / 容認する
Meaning
As a noun: a small natural stream; As a verb: to tolerate or endure something
Example
The village was built near a clear brook.
その村は清らかな小川の近くに建てられました。
C1 noun /ˈbuːt.stræp.ɪŋ/

bootstrapping

自己資金による起業
Meaning
Starting a business with personal resources or small investments without external funding or venture capital.
Example
Many entrepreneurs rely on bootstrapping to launch their businesses.
多くの起業家はビジネスを立ち上げるためにブートストラッピングに依存しています。
C1 noun /brɒŋˈkaɪtɪs/

bronchitis

気管支炎
Meaning
inflammation of the lining of the bronchial tubes, which carry air to and from the lungs
Example
The doctor diagnosed him with acute bronchitis.
医者は彼に急性の気管支炎を診断しました。
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。
C1 noun /blæk plʌm/

Black plum

ブラックプラム
Meaning
a dark purple or black colored edible fruit with sweet and sour taste
Example
I picked some fresh black plums from the tree in our backyard.
私は庭の木から新鮮なブラックプラムをいくつか摘みました。
C1 verb /bɪˈstoʊ/

bestow

授与する
Meaning
To give or present something as a gift or honor.
Example
The king bestowed honors upon the brave soldiers.
王は勇敢な兵士に栄誉を授けました。
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。
C1 adjective /bɪˈfɪt.ɪŋ/

Befitting

適切な; ふさわしい; 特定の状況や人に適している
Meaning
appropriate; suitable; proper for a particular situation or person
Example
He wore formal attire befitting the important occasion.
彼は重要な機会にふさわしい正式な服を着ていた。
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 verb /blæntʃ/

blanch

青ざめる
Meaning
to turn pale from shock, fear, or to briefly boil food to remove skin or prepare it
Example
She blanched at the sight of blood.
彼女は血を見て顔色が青ざめた。
C1 verb /bɪˈwɪldər/

bewilder

困惑させる
Meaning
to cause someone to be confused or puzzled
Example
The complex instructions bewildered the students.
複雑な指示は学生を困惑させました。
C1 noun /bɑːm/

balm

軟膏
Meaning
A soothing ointment or something that provides comfort or relief.
Example
The balm helped relieve the pain from her sunburn.
そのバームは日焼けの痛みを和らげるのに役立ちました。
C1 verb /bɔːk/

balk

拒否する
Meaning
to hesitate or refuse to proceed or comply
Example
She balked at signing the contract without reading it fully.
彼女は契約書を完全に読まずに署名することをためらった。
C1 adjective /bɪˈmjuːzd/

bemused

困惑した, ぼんやりした
Meaning
confused, puzzled, or lost in thought
Example
She looked bemused when he asked the strange question.
彼が奇妙な質問をしたとき、彼女は困惑しているように見えた。
C1 noun /ˈbraɪ.dəl/

Bridle

手綱; 騎馬用具
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.
騎手はレースの前に馬の手綱を調整した。
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。
C1 noun /bɪz/

Biz

ビジネス
Meaning
business (informal); commercial enterprise or activity
Example
He's been in the restaurant biz for twenty years.
彼は20年間、レストランのビジネスをしてきました。
C1 noun /bəˈrɑːʒ/

barrage

集中攻撃または速攻
Meaning
a concentrated outpouring of questions, criticisms, or blows; a rapid, continuous attack
Example
The politician faced a barrage of tough questions from reporters.
政治家は記者からの厳しい質問の集中攻撃に直面していました。
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。
C1 noun /ˈbeɪlɪf/

bailiff

裁判所の執行官
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.
裁判官が法廷に入ったとき、執行官は皆に立ち上がるように言いました。
C1 noun /bɪˈtreɪər/

Betrayer

裏切り者; 不忠者
Meaning
a person who betrays someone or something; one who is disloyal
Example
The betrayer was exposed and faced severe consequences.
裏切り者は暴露され、厳しい結果に直面しました。
C1 verb /ˈbruːtəlaɪz/

brutalize

残虐に扱う
Meaning
to treat someone with extreme violence or cruelty; to make something harsh or cruel
Example
The regime was accused of brutalizing innocent civilians.
その政権は無実の民間人を残虐に扱ったとして非難された。
C1 adjective /ˌbaɪˈlæt.ər.əl/

bilateral

二国間
Meaning
An agreement or relationship between two parties that is mutual, two-sided, or reciprocal.
Example
The two countries signed a bilateral trade agreement.
二国は二国間貿易協定に署名しました。
C1 verb /ˈbɛkən/

beckon

手招きする
Meaning
to signal or call someone to come closer, often with a gesture; to attract or invite
Example
She beckoned him to come closer with a wave of her hand.
彼女は手を振って彼に近くへ来るよう合図した。
C1 noun /ˈblʌdˌbæθ/

bloodbath

血の大惨事
Meaning
an event in which a lot of people are killed or injured, especially in a violent conflict
Example
The war turned into a bloody bloodbath.
戦争は血まみれの大虐殺に変わった。
C1 adjective /bɪˈnaɪn/

benign

Meaning
Gentle, kind, or not harmful (especially of a disease or tumor).
Example
The doctor assured her that the tumor was benign.
C1 noun /ˈbɑːr.tər ˌsɪs.təm/

barter system

物々交換システム
Meaning
A system of exchange where goods and services are traded directly without using money.
Example
Ancient civilizations used the barter system for trade.
古代の文明は貿易のために物々交換システムを使用していました。
C1 verb /blɜːrt/

blurt

うっかり言う
Meaning
to say something suddenly without thinking
Example
He blurts out the secret accidentally.
彼はうっかり秘密を言ってしまう。
C1 noun /ˈblæs.fə.mi/

blasphemy

冒涜
Meaning
the act of speaking disrespectfully about God or sacred things
Example
In some countries, blasphemy is a punishable offense.
いくつかの国では、冒涜は罰せられる犯罪です。
C1 noun /baɪl/

Bile

胆汁
Meaning
a bitter greenish-brown alkaline fluid that aids digestion and is secreted by the liver and stored in the gallbladder
Example
The liver produces bile to help digest fats.
肝臓は脂肪の消化を助けるために胆汁を生成します。
C1 verb, noun /ˈbreɪnˌwɒʃ/

brainwash

洗脳する
Meaning
to manipulate someone into adopting certain beliefs by repeated pressure or propaganda; the act or process of such manipulation
Example
The group tried to brainwash new members with constant propaganda.
その団体は新しいメンバーを洗脳しようとした。
C1 noun /bɒɡ/

bog

沼地
Meaning
an area of wet, spongy ground; a swamp or marsh
Example
The hikers got stuck in a bog.
ハイカーたちは沼地に足を取られました。
C1 verb /ˈbɑːrtər/

barter

Meaning
To exchange goods or services without using money.
Example
They bartered their crops for handmade tools.