beautifully
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A2 adverb /ˈbjuːtɪfəli/

beautifully

美しく
Meaning
in a beautiful or pleasing manner; excellently or skillfully
Example
She sang beautifully at the concert.
彼女はコンサートで美しく歌った。
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。
B2 noun /bleɪd/

Blade

Meaning
a sharp flat cutting edge of a knife, sword, or tool
Example
The blade of the knife needs to be sharpened.
ナイフの刃は研がなければならない。
C2 verb /bɪˈsmɪər/

besmear

汚す
Meaning
to smear or cover with a sticky or dirty substance; to soil
Example
His clothes were besmeared with mud.
彼の服は泥で汚れていた。
C2 noun /bɪˈnɪɡnɪti/

Benignity

優しさ; 穏やかさ; 良いまたは親切な性質
Meaning
kindness; gentleness; the quality of being benign or gracious
Example
Her benignity towards all people made her beloved by everyone.
彼女の優しさは、彼女をすべての人々から愛される存在にしました。
B1 noun /bɔɪl/

Boil

膿瘍; フロンケル
Meaning
a painful, pus-filled bump under the skin caused by infected hair follicles
Example
The painful boil on his neck required medical treatment.
彼の首にできた痛みを伴う膿瘍には医療処置が必要だった。
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.
A1 verb /brɪŋ/

bring

持ってくる
Meaning
to carry or take something to a place; to come with something
Example
Please bring your books to class tomorrow.
明日、クラスに本を持ってきてください。
B2 noun /briz/

Breeze

そよ風
Meaning
a gentle wind; something that is achieved with ease
Example
The cool ocean breeze made the hot summer day more pleasant.
涼しい海のそよ風が暑い夏の日をもっと快適にしました。
C2 noun /ˈbɑːr.bər/

Barbar

理髪師
Meaning
a person whose job is to cut men's hair and shave or trim beards
Example
The barber gave him a perfect haircut for his wedding.
理髪師は彼の結婚式のために完璧なヘアカットをしました。
B2 adverb /ˈblʌnt.li/

Bluntly

率直に; ぶっきらぼうに
Meaning
in a direct way without trying to be polite; frankly
Example
He told her bluntly that she was wrong.
彼は彼女に正直に間違っていると言った。
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。
B1 noun /ˈbluː.ber.i/

Blueberry

ブルーベリー
Meaning
a small round blue fruit that grows on bushes
Example
She picked fresh blueberries for the pie.
彼女はパイのために新鮮なブルーベリーを摘んだ。
C1 verb, noun /ˈbʌsəl/

bustle

騒々しさ、忙しさ
Meaning
to move in an energetic or noisy manner; busy activity in a place
Example
The marketplace bustled with vendors and customers.
市場は販売員と顧客で賑わっていた。
B1 noun /ˈbæɹɪəz/

barriers

障壁
Meaning
Something that prevents progress or access; obstacles or hindrances.
Example
Language barriers can make communication difficult.
言語の壁がコミュニケーションを困難にすることがあります。
B2 noun /buːθ/

booth

ブース
Meaning
a small enclosed space or area used for a specific purpose, such as voting or selling.
Example
He went into the voting booth to cast his ballot.
彼は投票ブースに入り、投票をしました。
C1 verb /bɪˈmoʊn/

bemoan

嘆く
Meaning
To express discontent or sorrow over something.
Example
Critics bemoaned the lack of diversity in the film.
批評家たちは映画の多様性の欠如を嘆いた。
C2 verb /bɪˈwɪtʃ/

bewitch

魅了する
Meaning
to enchant or fascinate someone as if by magic
Example
The dancer's performance bewitched the audience.
ダンサーのパフォーマンスは観客を魅了した。
C1 verb /ˈbɑːrtər/

barter

Meaning
To exchange goods or services without using money.
Example
They bartered their crops for handmade tools.
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。
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。
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。
B2 noun /ˈbroʊ.kər/

Broker

仲介業者
Meaning
a person who buys and sells goods or assets for others; an intermediary
Example
The stock broker helped me invest my money wisely.
株式ブローカーは私のお金を賢明に投資する手助けをしました。
B2 adjective /brɪsk/

Brisk

活発な; 速い; 元気な
Meaning
quick and energetic; lively; vigorous
Example
She took a brisk walk in the morning to feel energized.
彼女は朝、元気を感じるために活発に歩いた。
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。
C1 noun /brɪm/

Brim

縁; ヘリ
Meaning
the projecting edge of a hat; the edge or lip of something
Example
The wide brim of his hat protected him from the scorching sun.
彼の帽子の広い縁は彼を焼けつくような太陽から守ってくれた。
B1 noun /broʊˈʃʊr/

brochure

パンフレット
Meaning
a small booklet or pamphlet containing information or advertising
Example
The travel agent gave us a brochure about the holiday package.
旅行代理店は休暇パッケージについてのパンフレットをくれました。
A2 noun /brænd/

brand

ブランド
Meaning
a type of product manufactured by a company under a particular name
Example
Nike is a popular brand of sportswear.
ナイキは人気のあるスポーツウェアブランドです。
A2 adjective /ˈbeɪ.sɪk/

Basic

基本的な; 基礎的な;
Meaning
fundamental; essential; forming the foundation or starting point
Example
Learning basic English grammar is essential for beginners.
基本的な英語の文法を学ぶことは初心者にとって不可欠です。
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 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。
A1 noun /bʌs/

Bus

バス
Meaning
a large motor vehicle carrying passengers by road
Example
I take the bus to work every morning.
私は毎朝バスで仕事に行きます。
A1 noun /bɜːrd/

bird

Meaning
a warm-blooded animal with feathers and wings that usually lays eggs and can often fly
Example
A bird was singing on the tree branch.
鳥が木の枝で歌っていました。
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。
C1 adjective /ˈbæʃ.fəl/

Bashful

恥ずかしがり屋; 内気な; 控えめな; 簡単に恥ずかしくなる
Meaning
shy; timid; modest; easily embarrassed
Example
The bashful child hid behind her mother when meeting strangers.
その恥ずかしがり屋の子供は、見知らぬ人と会うときに母親の後ろに隠れました。
C2 verb /breɪ/

bray

鳴き声
Meaning
To make a loud, harsh sound like a donkey.
Example
The donkey began to bray loudly in the field.
ロバは畑で大声で鳴き始めました。
B1 verb /briːð/

breathe

呼吸
Meaning
To take air into the lungs and send it out again.
Example
It was hard to breathe in the smoky room.
煙の部屋で呼吸するのは難しかった。
C2 adjective /ˈbɒni/

Bonny

美しい; かわいい; 楽しい
Meaning
cheerful; pretty; attractive
Example
The bonny child played happily in the garden.
美しい子供は庭で幸せに遊んでいました。
C2 noun /ˈbɒnəmi/

bonhomie

友好
Meaning
Cheerful friendliness and geniality.
Example
The meeting was filled with laughter and bonhomie.
会議は笑いと友好で満ちていた。
C2 adjective /ˈbaɪ.fərˌkeɪ.tɪd/

bifurcated

二つに分かれた
Meaning
Divided into two branches or parts.
Example
The river became bifurcated as it flowed around the island.
川は島の周りを流れる際に二つに分かれました。
B2 verb /buːm/

boom

轟音
Meaning
to make a loud deep sound; to grow or increase rapidly
Example
The thunder boomed across the sky.
雷が空を鳴り響かせた。
C1 noun /beɪl/

bail

保釈
Meaning
the temporary release of an accused person awaiting trial, often with a financial guarantee
Example
He was granted bail after his arrest.
逮捕後、彼は保釈されました。
B2 noun/verb /bʌk/

buck

Meaning
A male deer; also to resist or oppose strongly.
Example
The horse began to buck wildly as the rider tried to hold on.
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。
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。
C2 noun /ˈbʌt.ə.flaɪ piː/

Butterfly Pea

蝶豆
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.
蝶豆の花はお茶を美しい青色に変えます。
B1 verb /blɛs/

bless

祝福する
Meaning
to give divine favor; to ask for God's favor
Example
The priest blessed the congregation.
牧師は会衆を祝福しました。
B1 verb /bæn/

ban

禁止する
Meaning
to officially forbid something; to prohibit
Example
The government banned smoking in public places.
政府は公共の場所での喫煙を禁止した。
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 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。
C2 adjective /ˈblæs.fə.məs/

blasphemous

冒涜的
Meaning
showing disrespect or lack of reverence for God or sacred things
Example
The book was banned for its blasphemous content.
その本は冒涜的な内容のため禁止されました。
B2 noun ˈbænd.wɪdθ

bandwidth

帯域幅
Meaning
A range of frequencies within a given band, in particular that used for transmitting a signal; the maximum amount of data that can be transmitted in a fixed amount of time.
Example
Increasing bandwidth enhances internet speed.
帯域幅を増やすとインターネットの速度が向上します。
B1 adverb /ˈbeɪsɪkli/

basically

基本的に
Meaning
in the most important or fundamental way; essentially
Example
Basically, the project was a success despite some small issues.
基本的に、いくつかの小さな問題があったにもかかわらず、そのプロジェクトは成功でした。
C2 noun /blæk biː/

Black-bee

黒蜂
Meaning
a large dark-colored bee that makes a loud buzzing sound
Example
The black-bee was buzzing around the flowers in the garden.
黒蜂が庭の花の周りをブンブン飛んでいた。
B2 verb /ˈbjuːtɪfaɪ/

beautify

美化する
Meaning
to make something more beautiful or attractive
Example
The city plans to beautify the old park with trees and lights.
その都市は木や照明で古い公園を美化する計画です。
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。
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。
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。
B2 verb /bɪˈfrɛnd/

befriend

友達になる
Meaning
to act as a friend to someone; to make friends with
Example
She befriended the new student at school.
彼女は学校で新しい生徒と友達になった。
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。
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。
C2 verb /baɪd/

bide

待つ
Meaning
to wait patiently for the right time or opportunity
Example
He decided to bide his time before making a move.
彼は動きを起こす前に時間を待つことに決めました。
B2 noun, verb /ˈblɒsəm/

blossom

花が咲く
Meaning
a flower or mass of flowers on a tree or plant; to develop or flourish
Example
The small garden began to blossom in spring.
小さな庭は春に花が咲き始めた。
A2 noun /ˈbʌtərflaɪ/

butterfly

蝶々
Meaning
an insect with large, often brightly colored wings that flies during the day
Example
A beautiful butterfly landed on the flower.
美しい蝶々が花の上に止まった。
C2 verb /bɪˈlaɪ/

belie

偽る
Meaning
To give a false impression of something; to contradict.
Example
His calm face belied his inner anxiety.
彼の落ち着いた顔は彼の内なる不安を偽っていた。
B2 noun ˈbentʃ.mɑːk

benchmark

基準
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.
サバ・アル・アハマド海港都市は、持続可能性の基準を設定しました。
B1 noun /ˈboʊ.nəs/

Bonus

ボーナス
Meaning
an amount of money added to wages on a seasonal basis, especially as a reward for good performance
Example
She received a year-end bonus for her excellent work performance.
彼女は優れた仕事のパフォーマンスに対する年末ボーナスを受け取った。
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。
C1 noun, verb /bʌldʒ/

bulge

Meaning
A swelling or protruding part; to swell outward or protrude.
Example
The bag began to bulge with too many books inside.
B2 noun /ˈbʊlɪt/

Bullet

弾丸
Meaning
a metal projectile fired from a gun
Example
The bullet missed its target and hit the wall.
その弾丸は標的を外し、壁に当たった。
C1 noun/adjective /ˈbæstərd/

bastard

私生児
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.
彼は怒りで彼をバスタードと呼んだ。
B2 noun /baɪˈɒɡrəfi/

Biography

伝記
Meaning
an account of someone's life written by someone else; the story of a person's life
Example
I'm reading a fascinating biography of Albert Einstein.
私はアルバート・アインシュタインの魅力的な伝記を読んでいます。
C2 verb /bruːt/

bruit

噂を広める
Meaning
to spread a rumor or report widely
Example
The scandal was quickly bruited about the town.
スキャンダルは町ですぐに広まりました。
B1 noun /blæk ˈber.i/

Black berry

ブラックベリー
Meaning
a small dark purple or black fruit that grows on bushes
Example
We picked fresh blackberries from the garden for our pie.
私たちは庭から新鮮なブラックベリーを摘んでパイを作りました。
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。
C2 noun /ˈbeɪleɪ/

Bele

ベレ魚
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.
ベレ魚はバングラデシュの川でよく捕まえられる。
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。
B2 adjective /ˈbɒdɪli/

bodily

身体的な
Meaning
relating to or concerning the body
Example
He suffered bodily harm in the accident.
彼は事故で身体的な損傷を受けた。
B2 verb /bɪˈtreɪ/

betray

裏切る
Meaning
to be disloyal to; to reveal secrets
Example
He felt betrayed by his closest friend.
彼は最も親しい友人に裏切られたと感じた。
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?
A1 noun /breɪk/

break

休憩
Meaning
A pause in work or during an activity or event.
Example
Short breaks refresh your mind.
短い休憩は心をリフレッシュします。
C2 adjective /ˈbreɪsɪŋ/

bracing

爽快な
Meaning
Invigorating, refreshing, or providing strength and energy.
Example
The hikers enjoyed the bracing mountain air.
登山者たちは爽快な山の空気を楽しんだ。
B1 adjective /blæŋk/

blank

空白
Meaning
showing no expression or containing nothing written, printed, or recorded.
Example
Her face went blank when she heard the bad news.
悪いニュースを聞いたとき、彼女の顔は空白になった。
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。
A2 noun /ˈbæskɪt/

basket

かご
Meaning
a container made of woven materials used for carrying or storing things
Example
She carried the apples in a basket.
彼女はバスケットにリンゴを入れて運んだ。
B2 noun /braɪb/

Bribe

賄賂
Meaning
a sum of money or something valuable given to someone to persuade them to do something dishonest or illegal
Example
The corrupt official was caught accepting a bribe from the construction company.
その腐敗した役人は建設会社からの賄賂を受け取っているところを捕まえられました。
A1 adjective /bɪɡ/

big

大きい
Meaning
large in size, extent, or importance
Example
They moved into a big house with plenty of space.
彼らは広いスペースのある大きな家に引っ越しました。
B1 noun /ˈbeɪsɪs/

basis

基礎
Meaning
the underlying support or foundation for an idea, argument, or process
Example
Trust is the basis of any strong relationship.
信頼は強い関係の基礎です。
B1 verb /ˈbɑrɡɪn/

bargain

交渉する
Meaning
to negotiate terms; to discuss prices; to make a deal
Example
She likes to bargain at the local market.
彼女は地元の市場で交渉するのが好きです。
A1 interjection /baɪ/

bye

さようなら
Meaning
used to say goodbye; a short and informal farewell
Example
I said bye to her before leaving.
出発する前に彼女にさようならと言った。
C2 verb /ˈbændi/

bandy

Meaning
To pass (words, ideas, or gossip) back and forth in a casual or argumentative way.
Example
They bandied jokes across the table.
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 /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 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。
C2 verb /ˈbɪloʊ/

billow

波のように膨らむ
Meaning
To swell or rise in large waves or surges; to flow outward in a rolling motion.
Example
Smoke billowed from the burning building.
煙は燃えている建物から波のように膨らんでいた。
B1 noun /ˈbeɡər/

Beggar

乞食
Meaning
a person who lives by asking for money or food
Example
The beggar sat by the temple asking for alms.
その乞食は寺の近くで施しを求めて座っていました。
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。
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 noun /baɪˈmɛstər/

bimester

二ヶ月の期間
Meaning
A period of two months.
Example
The academic program is divided into six bimesters.
学術プログラムは6つのバイメスターに分かれています。
B2 adjective /ˈbruː.təl/

brutal

残酷
Meaning
extremely cruel or harsh; violent and without feeling
Example
The dictator’s rule was marked by brutal violence.
独裁者の統治は残酷な暴力によって特徴付けられていた。
C1 noun /blɪs/

Bliss

完全な幸せ; 大きな喜び
Meaning
perfect happiness; great joy
Example
She felt pure bliss while watching the beautiful sunset.
彼女は美しい夕日を見ながら純粋な幸せを感じました。
C2 noun /ˈbrɒŋkəs/

bronchus

気管支
Meaning
either of the two main branches of the trachea that lead directly into the lungs
Example
The left bronchus carries air into the left lung.
左気管支は左肺に空気を運びます。
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。
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 /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 /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。
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。
B2 noun /brɑːnz/

bronze

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。
B1 noun /bʌn/

Bun

パン
Meaning
a small round bread roll, often sweet
Example
I bought fresh buns from the bakery this morning.
今朝ベーカリーで新鮮なパンを買いました。
B2 noun breɪn ˈtreɪ.nɪŋ

brain-training

脳のトレーニング
Meaning
Mental exercises designed to improve cognitive functions, memory retention, and overall brain performance.
Example
Regular brain-training can improve memory retention.
定期的な脳トレーニングは記憶力を向上させることができます。
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 verb /bɪˈwɛər/

beware

気をつける
Meaning
to be cautious or alert about a potential danger or problem
Example
Beware of the dog near the gate.
ゲート近くの犬に気をつけてください。
C1 noun /ˈbʊl.ək/

Bullock

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。
B1 noun /bɪˈheɪ.vjər/

Behaviour

行動
Meaning
the way a person or animal acts or conducts themselves
Example
His behaviour at the meeting was very professional.
彼の会議での行動は非常にプロフェッショナルでした。
B2 noun /ˈbev.ər.ɪdʒ/

Beverage

飲み物
Meaning
a drink, especially one other than water
Example
Would you like a hot or cold beverage with your meal?
食事に温かい飲み物または冷たい飲み物をお望みですか?
C2 adjective, noun /bɪˈtroʊðd/

betrothed

婚約者
Meaning
Engaged to be married; a person who is engaged.
Example
She introduced him as her betrothed.
彼女は彼を婚約者として紹介しました。
B2 noun /bɪˈtreɪəl/

Betrayal

裏切り; 不忠
Meaning
the action of betraying one's country, group, or person; disloyalty
Example
His betrayal of their friendship hurt her deeply.
彼の友情に対する裏切りは、彼女を深く傷つけました。
B2 adverb /ˈbɪt.ə.li/

Bitterly

ひどく; 激しく
Meaning
in an angry, hurt, or resentful way; extremely; severely
Example
She complained bitterly about the unfair treatment.
彼女は不公平な扱いについてひどく不満を言った。
C2 noun /ˈbrɔːdˌsaɪd/

broadside

激しい攻撃
Meaning
a strong verbal attack or a sheet of paper printed on one side
Example
The politician launched a broadside against his opponent.
政治家は相手に対して激しい攻撃を仕掛けました。
B1 noun /ˈbʊt.ʃər/

Butcher

肉屋
Meaning
a person whose job is cutting up and selling meat in a shop
Example
The butcher recommended the best cut of beef for our dinner.
肉屋は私たちの夕食のために最高の牛肉の切り身を勧めました。
B2 adjective /ˌbaɪəʊdɪˈɡreɪdəbl/

biodegradable

生分解性の
Meaning
Capable of being decomposed by natural biological processes, typically by bacteria or other living organisms, without causing harm to the environment.
Example
Biodegradable materials break down naturally without harming the environment.
生分解性の素材は自然に分解され、環境に害を与えることはありません。