botany
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B2 noun /ˈbɒtəni/

botany

植物学
Meaning
the scientific study of plants
Example
She is studying botany at the university.
彼女は大学で植物学を学んでいます。
B2 adjective /bɪˈlʌvɪd/

beloved

愛されている
Meaning
dearly loved, highly regarded
Example
She was the beloved queen of the kingdom.
彼女は王国の愛されている女王でした。
C1 verb; noun /beltʃ/

belch

げっぷをする
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.
ソーダを飲んだ後、彼は大きなげっぷをした。
B2 adjective /bɪˈzɑːr/

bizarre

奇妙な
Meaning
very strange or unusual, especially so as to cause interest or amusement
Example
He told a bizarre story that no one could believe.
彼は誰も信じられないような奇妙な話をした。
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。
C2 verb /ˈbɒtənaɪz/

botanize

植物を研究する
Meaning
to study plants in their natural environment
Example
They went to the forest to botanize during their vacation.
彼らは休暇中に森で植物を研究しました。
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。
C2 verb /bɪˈfuːl/

befool

だます
Meaning
to deceive or trick someone into believing something false; to make someone appear foolish
Example
The scammer tried to befool innocent people with fake promises.
詐欺師は偽の約束で無実の人々をだまそうとした。
A1 noun /ˈbrek.fəst/

Breakfast

朝食
Meaning
the first meal of the day, usually eaten in the morning
Example
I had cereal and toast for breakfast this morning.
今朝、私は朝食にシリアルとトーストを食べました。
A1 adjective /blæk/

Black

黒
Meaning
having the darkest color; the opposite of white
Example
She wore a beautiful black dress to the party.
彼女はパーティーに美しい黒いドレスを着て行った。
C2 noun /ˈbrɪɡ.ənd/

brigand

山賊
Meaning
A member of a gang that ambushes and robs people in forests or mountains; a bandit.
Example
The travelers were attacked by brigands in the mountains.
旅行者は山中で山賊に襲われました。
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。
B1 noun /bend/

Bend

カーブ; 曲がり角
Meaning
a curved or angled part of something; a turning point in a road or river
Example
There is a sharp bend in the river ahead.
川の先に鋭いカーブがあります。
C2 adjective /ˈbʌksəm/

buxom

豊満で魅力的な女性
Meaning
Plump, with a full figure and often large-breasted, especially used to describe women.
Example
The actress was described as a cheerful and buxom woman.
女優は明るくて豊満な女性として描かれました。
B2 noun /ˈbrʌðərhʊd/

brotherhood

兄弟愛
Meaning
The relationship between brothers; an association of people with common interests
Example
The soldiers shared a strong sense of brotherhood.
兵士たちは強い兄弟愛を共有していました。
A2 noun /ˈbɪznəsmæn/

businessman

ビジネスマン
Meaning
a person engaged in commercial or industrial business activities
Example
The businessman invested heavily in new technology.
ビジネスマンは新しい技術に多額の投資をしました。
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 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 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。
B2 noun /ˈbɜːrdn/

burden

負担
Meaning
a heavy load, especially one that is difficult to carry
Example
The financial burden was too heavy for him to bear.
財政的な負担は彼にとって非常に重かった。
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。
C2 adjective /ˌbiːəˈtɪfɪk/

beatific

至福の
Meaning
blissfully happy or showing great joy
Example
She had a beatific smile after hearing the good news.
彼女は良い知らせを聞いた後、至福の笑顔を浮かべていた。
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。
B1 noun /ˈbles.ɪŋ/

Blessing

祝福; 贈り物;
Meaning
a beneficial thing for which one is grateful; divine favor
Example
Having good health is a blessing that we should cherish.
良い健康を持つことは、私たちが大切にすべき祝福です。
C2 noun /ˈbɛnɪsən/

benison

祝福
Meaning
A blessing or benefit.
Example
The rain was a benison for the drought-stricken farmers.
その雨は干ばつに苦しむ農民たちにとって祝福でした。
A2 noun /ˈbʌt.ər.flaɪ/

Butter-fly

蝶
Meaning
a flying insect with large colorful wings
Example
The beautiful butterfly landed on the flower.
美しい蝶が花の上に止まりました。
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 noun /ˈbjuːɡəl/

Bugle

バグル
Meaning
a brass musical instrument similar to a trumpet but without valves, used especially for military calls
Example
The soldier played the bugle to signal the start of the ceremony.
兵士は式典の開始を合図するためにバグルを吹いた
B2 verb /bræɡ/

brag

自慢する
Meaning
to talk proudly about oneself or one's achievements in an annoying way
Example
He always brags about his expensive car.
彼はいつも高価な車について自慢している。
B2 noun /bʌlk/

Bulk

塊; 大部分;
Meaning
the mass or size of something large; the greater part or majority of something
Example
The bulk of the work was completed before the deadline.
仕事の大部分は締め切り前に終わりました。
B1 verb /breɪk/

brake

Meaning
to slow down or stop a vehicle by applying a brake
Example
He braked suddenly to avoid hitting the dog.
B1 noun /bʊʃ/

bush

茂み
Meaning
a plant with many small branches growing close to the ground; a shrub
Example
A rabbit was hiding under the bush.
ウサギは茂みの下に隠れていました。
C1 adjective /ˈbed.rɪd.ən/

Bedridden

寝たきり
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.
高齢の男性は数ヶ月間寝たきりになっています。
C2 adjective /ˈbrɪndl̩d/

brindled

ぶち模様
Meaning
Having a brownish or tawny color with streaks or spots of another color.
Example
The farmer owned a brindled cow with distinctive stripes.
農家は特徴的なストライプのあるぶち模様の牛を飼っていた。
B2 verb /boʊlt/

bolt

突然走り出す; ボルトで固定する
Meaning
To move suddenly and quickly; also to fasten something with a bolt.
Example
The horse bolted from the stable after hearing a loud noise.
馬は大きな音を聞いて、厩舎から飛び出しました。
A2 verb; adjective /broʊk/

broke

壊した；無一文
Meaning
past tense of break; having no money or being financially poor
Example
I broke my phone last night and now I’m completely broke.
昨夜スマホを壊してしまい、今は無一文です。
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。
A2 noun /biːn/

Bean

豆
Meaning
an edible seed, typically kidney-shaped, growing in long pods on certain leguminous plants
Example
We planted green beans in our vegetable garden this spring.
私たちはこの春に私たちの野菜庭に緑の豆を植えました。
C2 adjective /ˈboʊvaɪn/

bovine

牛に関連する
Meaning
relating to cattle; showing a dull or sluggish nature
Example
Her bovine expression revealed no emotions.
彼女のボバインな表情は感情を示すことはなかった。
B2 noun/verb /ˈbrækɪt/

bracket

金属ブラケット
Meaning
A support attached to a wall for holding something; also, to group things together.
Example
The shelf was held up by a strong metal bracket.
棚は強い金属製のブラケットで支えられていました。
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。
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。
C2 noun /ˈbɛlˌwɛðər/

bellwether

先駆者
Meaning
A person or thing that leads or indicates a trend.
Example
The company is seen as a bellwether of the technology industry.
その会社はテクノロジー業界の先駆者と見なされています。
B2 verb /ˈbrɪdʒɪŋ/

bridging

橋を架ける、接続を作る
Meaning
The action of building a bridge over something; connecting or reducing the distance between two things.
Example
The new initiative is bridging the gap between urban and rural development.
新しい取り組みは都市と農村の開発のギャップを埋めています。
B2 adverb /bɪˈfɔːr.hænd/

Beforehand

前もって; 事前に; あらかじめ
Meaning
in advance; ahead of time; earlier
Example
We prepared everything beforehand.
私たちは前もってすべて準備しました。
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。
A1 noun /bɪt/

Bit

何かの小さな断片または量; 短い時間または距離
Meaning
a small piece or quantity of something; a short time or distance
Example
Can you wait a bit longer for me?
もう少し私のために待ってもらえますか？
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 adjective /ˌbækəˈneɪliən/

bacchanalian

酔っ払いの祭りに関連する
Meaning
Characterized by or involving drunken revelry.
Example
The students threw a bacchanalian party after the exams.
学生たちは試験後に酔っ払いの祭りを開いた。
C2 noun /ˈbɪbliəfaɪl/

bibliophile

書籍愛好者
Meaning
A person who loves or collects books.
Example
She is a true bibliophile who spends weekends at old bookstores.
彼女は古い本屋で週末を過ごす本の愛好者です。
B2 adjective /beər/

Bare

裸; 未覆われた; 空; 最小限
Meaning
naked; uncovered; empty; minimal
Example
The bare walls of the room needed some decoration.
部屋の裸の壁は何か飾りが必要だった。
A1 noun /ˈbrʌðər/

brother

兄弟
Meaning
a male sibling
Example
My brother is two years older than me.
私の兄は私より2歳年上です。
A2 phrasal verb /bæk ʌp/

back up

支援する；バックアップする；後退する
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.
システムを更新する前にファイルをバックアップしてください。
B1 noun ˈbæriə(r)

barrier

障壁
Meaning
A fence or other obstacle that prevents movement or access.
Example
The barrier prevented entry.
その障壁は入場を防ぎました。
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。
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。
A1 noun /bæɡ/

bag

バッグ
Meaning
a container made of flexible material, used for carrying items
Example
She carried her books in a bag.
彼女は本をバッグに入れて持ち運んだ。
B2 verb /briːd/

breed

繁殖する, 飼育する
Meaning
to produce young animals; to reproduce; to keep animals for producing young
Example
They breed horses on their farm.
彼らは農場で馬を育てています。
C2 noun, verb /ˈbɛvəl/

bevel

斜面
Meaning
A sloping edge or surface; to cut or shape an edge at an angle.
Example
The carpenter beveled the edges of the table.
大工はテーブルの端を斜めに切りました。
C2 adjective /beɪˈkoʊniən/

baconian

ベコニアン
Meaning
Relating to the philosopher Francis Bacon or his method of scientific reasoning.
Example
The researcher followed a Baconian approach to observation and experimentation.
研究者は観察と実験のためにベコニアンアプローチを採用しました。
A1 verb /baɪ/

buy

買う
Meaning
to get something by paying money for it; to purchase
Example
I want to buy a new car this year.
今年は新しい車を買いたいです。
C2 adjective /ˈbɪbjələs/

bibulous

酒好き
Meaning
Excessively fond of drinking alcohol.
Example
His bibulous habits worried his family.
彼の酒好きな習慣は家族を心配させた。
C2 verb /ˈblʌstər/

bluster

大声で自慢する
Meaning
to speak loudly in an aggressive or threatening way, often without real power
Example
The manager blustered about firing people but did nothing.
マネージャーは人を解雇すると大声で言ったが、何もしなかった。
B2 noun ˈbɪz.nɪs ˈfaɪ.næns

business finance

ビジネスファイナンス
Meaning
The area of finance that deals with sources of funding and the capital structure of corporations.
Example
Effective business finance enhances profitability.
効果的なビジネスファイナンスは利益性を高めます。
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。
C2 verb /bɪˈhəʊv/

behove

適切である
Meaning
British spelling of 'behoove'; to be appropriate or necessary
Example
It would behove the company to listen to its customers.
会社は顧客の意見に耳を傾けるべきです。
C2 adjective /ˈbɪz.ən.taɪn/ or /ˈbaɪ.zənˌtiːn/

byzantine

複雑
Meaning
Extremely complicated and detailed; relating to the Byzantine Empire or its style.
Example
The new tax regulations are so byzantine that few understand them.
新しい税法は非常に複雑で、ほとんどの人は理解できません。
B1 noun /bʌɡ/

Bug

虫
Meaning
a small insect; a defect in a computer program
Example
I found a bug crawling on my bed sheets.
ベッドシーツで虫が這っているのを見つけました。
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 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。
C2 verb /bɪˈdaɪzən/

bedizen

派手に飾る
Meaning
to dress up or decorate in a showy or tasteless way
Example
She was bedizened with cheap jewelry.
彼女は安いジュエリーで派手に飾られていた。
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。
C2 verb /bɪˈdɛk/

bedeck

飾る
Meaning
to decorate or adorn something in a showy way
Example
The hall was bedecked with flowers for the wedding.
ホールは結婚式のために花で飾られました。
C2 noun /bjuːt/

butte

ビュート
Meaning
an isolated hill with steep sides and a flat top, common in arid regions
Example
The travelers could see a tall butte rising in the desert.
旅行者たちは砂漠の中に高いビュートが立ち上るのを見ることができました。
C2 noun /ˈbroʊmaɪd/

bromide

ありきたりなアイデア
Meaning
A trite or unoriginal idea or remark; also a chemical compound of bromine.
Example
His speech was full of old bromides about hard work.
彼のスピーチは、努力についての古いありきたりなアイデアでいっぱいだった。
B1 noun /biːst/

Beast

獣
Meaning
a large or dangerous animal; a cruel or unpleasant person
Example
The lion is a fierce beast of the jungle.
ライオンはジャングルの猛獣です。
C2 adjective /blɑːˈzeɪ/

blase

無関心, 無感動
Meaning
unimpressed or indifferent to something because it has been experienced so often before
Example
After years of luxury travel, she felt blase about another trip to Paris.
何年もの贅沢な旅行の後、彼女はパリへの別の旅行に対して無関心を感じた。
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 /ˈbeɪ.kɪŋ ˈpaʊ.dər/

Baking Powder

ベーキングパウダー
Meaning
a dry chemical leavening agent used to increase volume and lighten texture in baked goods
Example
The recipe calls for two teaspoons of baking powder.
レシピにはベーキングパウダーを小さじ2杯使います。
B2 noun /ˈbɒmɪŋ/

bombing

爆撃
Meaning
an attack using bombs or explosives
Example
The city was devastated by the bombing.
その都市は爆撃で壊滅的な被害を受けました。
C2 verb /breɪz/

braze

ブレイズ
Meaning
To join two pieces of metal by heating and melting a filler metal into the joint.
Example
The mechanic brazed the broken pipe to fix the leak.
メカニックは壊れたパイプを溶接して漏れを修理しました。
C2 adjective /bɪˈsɒtɪd/

besotted

夢中な、恋に狂った
Meaning
strongly infatuated or obsessed with someone or something
Example
He was completely besotted with her charm.
彼は彼女の魅力に完全に夢中だった。
A2 noun /bentʃ/

Bench

ベンチ
Meaning
a long seat for several people, typically made of wood or stone
Example
The students sat on the bench.
学生たちはベンチに座った。
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。
A2 adverb /ˈbæk.wərdz/

Backwards

逆さま; 逆順
Meaning
in the direction that is behind; in reverse order
Example
He counted backwards from ten to one.
彼は十から一まで逆さに数えました。
A2 verb /baɪt/

bite

かむ
Meaning
to cut with teeth; to have a sharp effect
Example
The dog might bite if it feels threatened.
その犬は、もし脅威を感じると噛むかもしれません。
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。
B2 noun /brum/

Broom

ほうき
Meaning
a long-handled brush of bristles or twigs, used for sweeping
Example
She used an old broom to sweep the fallen leaves from the porch.
彼女は古いほうきを使って、ポーチから落ちた葉を掃きました。
A1 noun /ˈbɪldɪŋ/

building

建物
Meaning
A structure with a roof and walls, such as a house, school, or office.
Example
The old building was renovated into a museum.
古い建物は博物館に改築されました。
C2 verb /bɪˈweɪl/

bewail

嘆き悲しむ
Meaning
to express deep sorrow or regret over something; to mourn openly
Example
She bewailed the loss of her childhood home.
彼女は子どもの頃の家を失ったことを嘆き悲しんだ。
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 /ˈblɒk.ɪdʒ/

Blockage

詰まり
Meaning
an obstruction that makes movement or flow difficult or impossible
Example
The drain blockage caused water to overflow in the kitchen.
排水の詰まりがキッチンで水があふれた原因となりました。
C2 adjective /ˈblaɪðsəm/

blithesome

陽気
Meaning
cheerful, carefree, and full of joy
Example
She entered the room with a blithesome smile that lifted everyone's spirits.
彼女は陽気な笑顔で部屋に入り、皆の気分を盛り上げました。
C2 verb /bɪˈmjuːz/

bemuse

困惑させる
Meaning
To confuse or puzzle someone.
Example
The complex instructions bemused the new employees.
複雑な指示が新しい従業員を困惑させました。
C2 adjective /ˈbɔːlki/

balky

頑固
Meaning
difficult, uncooperative, or stubborn
Example
The balky printer refused to work when needed most.
頑固なプリンターは最も必要な時に動作を拒否しました。
B1 phrasal verb /bloʊ aʊt/

blow out

吹き消す
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.
彼女は誕生日ケーキのろうそくを吹き消した。
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 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。
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。
B2 noun /ˈbrɛkdaʊn/

breakdown

故障
Meaning
a failure or collapse of a system or machinery
Example
The car had a breakdown on the highway.
車は高速道路で故障しました。
A2 adjective /braɪt/

Bright

明るい
Meaning
giving out or reflecting much light; vivid in color
Example
The artist used bright colors in her painting.
そのアーティストは絵画に明るい色を使いました。
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。
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。
C2 noun /bəˈlɛəroʊ/

bolero

ボレロ（スペインのダンスまたは前が開いた短いジャケット）
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.
ダンサーたちはフェスティバルで情熱的なボレロを演奏しました。
B1 adverb /ˈbreɪv.li/

Bravely

勇敢に
Meaning
in a way that shows courage and determination
Example
The firefighter bravely entered the burning building.
消防士は勇敢に燃えている建物に入った。
B1 verb /ˈbɔːrdɪŋ/

boarding

搭乗
Meaning
Getting on or into a ship, aircraft, or other vehicle.
Example
The explorers were boarding the ship at the port.
探検家たちは港で船に乗り込んでいた。
C2 noun /ˈbɛnɪfɪs/

benefice

教会職
Meaning
a permanent church appointment for which property and income are provided
Example
The bishop appointed him to a wealthy benefice.
司教は彼を裕福な教会職に任命しました。
B2 verb/noun /buː/

boo

Meaning
To show disapproval by shouting 'boo'; or a sound made to surprise or scare.
Example
The audience began to boo the bad performance.
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.
A1 noun /ˈbɒdi/

body

体
Meaning
the physical structure of a person or animal
Example
Exercise helps keep the body healthy.
運動は体を健康に保つのに役立ちます。
B2 noun /ˈbætəlˌfiːld/

battlefield

戦場
Meaning
a place where a battle is fought
Example
The battlefield was covered with the remnants of the fight.
戦場は戦いの残骸で覆われていた。
B2 adverb /ˈbruːtəli/

brutally

残酷に
Meaning
in a cruel, violent, or harsh manner; in a very direct and blunt way
Example
The prisoners were treated brutally by the guards.
囚人たちは看守に残酷に扱われた。
A1 noun /ˈbɒt.əl/

Bottle

ボトル
Meaning
a container with a narrow neck, typically made of glass or plastic, used for storing liquids
Example
She drank water from a plastic bottle.
彼女はプラスチックのボトルから水を飲んだ。
B2 noun /biːk/

Beak

くちばし
Meaning
the hard pointed part of a bird's mouth
Example
The eagle has a sharp beak for tearing meat.
ワシは肉を引き裂くために鋭いくちばしを持っています。
B1 verb /braʊz/

browse

ブラウズする
Meaning
To look at or skim through casually, especially online or in a store
Example
She likes to browse books in the library.
彼女は図書館で本をブラウズするのが好きです。
A2 noun /brʌʃ/

Brush

ブラシ
Meaning
a tool with bristles used for cleaning, painting, or grooming
Example
I brush my teeth every morning with a soft brush.
私は毎朝柔らかいブラシで歯を磨きます。
A2 noun /ˈbætəri/

battery

バッテリー
Meaning
A device that stores and provides electrical energy; also refers to a group of similar things or repeated blows.
Example
The phone battery ran out after a long day.
電話のバッテリーは長い一日の後に切れました。
A2 adjective /blaɪnd/

blind

Meaning
Unable to see because of injury, disease, or a congenital condition.
Example
He has been blind since birth.
A1 noun /bɔːl/

ball

ボール
Meaning
a round object used in games or sports
Example
The children played with a ball in the park.
子供たちは公園でボールで遊びました。
B2 noun /ˈblʌn.dər/

blunder

愚かなまたは不注意なミス; 判断における重大な誤り。
Meaning
A stupid or careless mistake; a serious error in judgment.
Example
His blunder cost the company a fortune.
彼の失敗は会社に大きな損失を与えました。
C2 adjective /bɪˈfɒɡd/

befogged

混乱した, ぼんやりした
Meaning
Confused or clouded in mind; made unclear like being surrounded by fog.
Example
His mind felt befogged after the long and exhausting meeting.
長く疲れる会議の後、彼の心は混乱しているように感じた。