Crowbar
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C1 noun /ˈkroʊ.bɑːr/

Crowbar

バール
Meaning
a heavy iron bar with a curved end used as a lever for prying things apart
Example
He used a crowbar to remove the old nails.
彼は古い釘を取り除くためにクローバーを使いました。
B2 noun/verb /ˈkɒmplɪmənt/

complement

補完
Meaning
something that completes or goes well with something; to add something that enhances or improves
Example
The scarf complements her outfit perfectly.
スカーフは彼女の服装を完璧に補完します。
B1 noun /kənˈsʌltənt/

consultant

コンサルタント
Meaning
A professional who provides expert advice in a particular area.
Example
The company hired a consultant to improve its marketing strategy.
会社はマーケティング戦略を改善するためにコンサルタントを雇いました。
C2 noun /kənˈtjuː.ʒən/

contusion

打撲、内出血
Meaning
a bruise or injury without breaking the skin
Example
The boxer had several contusions after the match.
ボクサーは試合後にいくつかの打撲を受けていました。
C2 noun /kəˈræf/

carafe

カラフェ
Meaning
a glass container without handles used for serving drinks like water or wine
Example
The waiter brought a carafe of water to the table.
ウェイターはテーブルに水のカラフェを持ってきた。
C1 noun /ˈkeɪ.sɪŋ/

Casing

カバー; 外殻
Meaning
a cover or shell that protects or encloses something
Example
The mechanic removed the engine casing to examine the internal parts.
整備士はエンジンの外殻を取り外して内部の部品を調べました。
C2 noun /kənˌdʒiː.niˈæl.ə.t̬i/

congeniality

親しみやすさ
Meaning
The quality of being pleasant, friendly, and easy to talk to.
Example
His congeniality makes him popular among friends.
彼の親しみやすさは、彼を友人の中で人気者にしています。
C1 noun /ˈʃɪvəlri/

chivalry

騎士道
Meaning
The medieval knightly system with its moral, social, and religious code; courteous behavior, especially toward women.
Example
The knight lived by the code of chivalry.
騎士は騎士道の規範に従って生きていました。
C1 noun /kənˈspɪrə.tər/

conspirator

陰謀者
Meaning
a person who secretly plans with others to do something unlawful or harmful
Example
The conspirator was arrested before the plan could be carried out.
陰謀者は計画が実行される前に逮捕された。
B2 noun /ˈkrɪtɪk/

critic

批評家
Meaning
A person who judges the merits of something, especially art or literature
Example
The film critic praised the director's latest movie.
映画批評家は監督の最新映画を称賛しました。
C2 noun/verb /ˈkætˌkɔːl/

catcall

不快な口笛や叫び声
Meaning
A loud whistle or shout of disapproval or sexual harassment directed at someone.
Example
The actress ignored the catcalls from the crowd.
女優は群衆からのキャットコールを無視しました。
C2 adjective /tʃəˈruːbɪk/

cherubic

天使のような
Meaning
Innocent, sweet, and angelic, like a cherub.
Example
The baby had a cherubic smile that melted everyone’s heart.
その赤ちゃんは、みんなの心を溶かす天使のような笑顔をしていた。
C1 noun /kɑːɡ/

cog

車輪や歯車の歯
Meaning
A tooth on the rim of a wheel or gear; metaphorically, a minor but necessary part of a larger system.
Example
He felt like just a small cog in a big machine.
彼は大きな機械の中で小さな歯車のように感じていた。
A2 noun /kɑːrˈtuːn/

cartoon

アニメーション
Meaning
a humorous or animated drawing, especially one in newspapers or television
Example
Children love watching cartoons on TV.
子供たちはテレビでアニメを見るのが大好きです。
C1 noun /krʊk/

crook

詐欺師
Meaning
a dishonest person, especially a criminal
Example
The police finally caught the crook who had been stealing cars.
警察は最終的に車を盗んでいた詐欺師を捕まえました。
C2 adjective /ˈkælkjʊləbl/

calculable

計算可能
Meaning
Capable of being calculated, estimated, or measured.
Example
The risk involved in the project is calculable.
プロジェクトに関わるリスクは計算可能です。
A2 verb ˈselɪbreɪt

celebrate

祝う
Meaning
To acknowledge a significant or happy day or event with a social gathering or enjoyable activity.
Example
Bangladesh celebrates Urban Planning Day on November 8.
日本は11月3日に文化の日を祝います。
C2 noun /kæd/

Cad

悪党; 粗野な
Meaning
a man who behaves dishonorably, especially toward women
Example
Everyone at the party avoided him because he was known to be a cad.
パーティーの皆は彼を避けました、なぜなら彼が悪党として知られていたからです。
A2 adjective /ˈsɜːr.tən/

Certain

確信している; 確かな; 疑いなく
Meaning
confident and sure; without doubt; definitely true
Example
I am certain that we will succeed.
私は確信しています、私たちは成功します。
B1 adjective ˈkɒmplɛks

complex

複雑
Meaning
Having many interrelated parts or factors; complicated.
Example
The relationship between poverty and education is complex.
貧困と教育の関係は複雑です。
C1 noun /kɔːr/

corps

軍隊の部門、グループ
Meaning
a branch of the military or a group organized for a specific purpose
Example
He joined the army corps after graduation.
彼は卒業後、軍隊の部門に参加しました。
C2 noun /ˌkʌmˈʌpəns/

comeuppance

報い
Meaning
A deserved punishment or fate; just deserts.
Example
The corrupt official finally got his comeuppance in court.
腐敗した役人は最終的に裁判所で自分の報いを受けた。
B1 verb /koʊˈɑːpəreɪt/

cooperate

協力する
Meaning
to work together; to collaborate
Example
The teams cooperate to achieve their common goals.
チームは共通の目標を達成するために協力しています。
C2 adjective /ˈkrɒtʃ.ə.ti/

crotchety

不機嫌
Meaning
bad-tempered, easily annoyed, and often complaining
Example
The crotchety old man yelled at the children for playing near his house.
不機嫌な老人は、自分の家の近くで遊んでいる子供たちに叫んだ。
A2 noun /kɔɪnz/

coins

コイン
Meaning
Flat, typically round pieces of metal issued by a government as money.
Example
He collected old coins from different countries.
彼はさまざまな国から古いコインを集めました。
A2 noun /kriːm/

Cream

クリーム
Meaning
the thick white or pale yellow fatty liquid that rises to the top of milk
Example
She whipped the cream until it became fluffy.
彼女はクリームを泡立てて、ふわふわにしました。
B2 noun /ˌkɒn.tɪˈnjuː.ɪ.ti/

continuity

継続性
Meaning
the state of being continuous or connected; consistency over time
Example
Maintaining continuity in leadership is essential for organizational stability.
リーダーシップにおける継続性の維持は、組織の安定性にとって不可欠です。
B2 noun /kənˌtɪn.juˈeɪ.ʃən/

continuation

継続
Meaning
the action of carrying something on over time; extension
Example
The continuation of the series was announced after the finale.
シリーズの継続は最終回後に発表されました。
A2 noun /ˈkʌm.pə.ni/

company

会社
Meaning
a business organization; the presence of other people
Example
She started her own company to sell handmade products.
彼女は手作りの製品を販売するために自分の会社を始めました。
B2 adjective ˈkɒɡnɪtɪv

cognitive

認知的
Meaning
Related to mental processes of perception, memory, judgment, and reasoning.
Example
Cognitive functions improve with practice and learning.
認知機能は練習と学習によって改善されます。
B2 noun ˌsaɪ.bə.sɪˈkjʊə.rɪ.ti

cybersecurity

サイバーセキュリティ
Meaning
The practice of protecting systems, networks, and programs from digital attacks
Example
Cybersecurity ensures safe digital operations.
サイバーセキュリティはデジタル運用の安全を確保します。
B2 noun /ˈkæʃ.uː nʌt/

Cashew Nut

カシューナッツ
Meaning
a kidney-shaped nut with a creamy texture and mild flavor
Example
Cashew nuts are often used in cooking and as a healthy snack.
カシューナッツは、料理や健康的なおやつに使われることがよくあります。
A2 noun /ˈkoʊkənʌt/

Coconut

Meaning
a large brown seed with hard shell containing white flesh and coconut water
Example
We drank coconut water directly from the coconut.
B1 noun /ˈsɪtɪzənʃɪp/

citizenship

市民権
Meaning
the status of being a recognized member of a state or country, with rights and duties
Example
He applied for American citizenship after living there for ten years.
彼はアメリカに10年間住んだ後、アメリカ市民権を申請しました。
C2 adjective /ˈklæmərəs/

clamorous

騒々しい
Meaning
making a loud and confused noise; expressing strong demands noisily
Example
The clamorous audience demanded an encore from the band.
騒々しい観客がバンドにアンコールを要求した。
B1 noun ˌkɒnsənˈtreɪʃən

concentration

集中
Meaning
The action or power of focusing one's attention or mental effort on a particular object or activity
Example
Concentration is key to mastering any skill.
集中はどんなスキルでも習得するための鍵です。
B2 adjective /ˌkrɒnəˈlɒdʒɪkəl/

chronological

時系列
Meaning
Arranged in the order in which events happened.
Example
The events were listed in chronological order.
イベントは時系列でリストされました。
C2 adjective /ˈkreɪvən/

craven

臆病
Meaning
cowardly; lacking courage
Example
He was too craven to stand up for his beliefs.
彼は自分の信念のために立ち上がるにはあまりにも臆病でした。
C2 noun /ˈkɒnk.leɪv/

conclave

秘密会議
Meaning
a private meeting, especially a secret or important one
Example
The leaders met in a secret conclave to discuss the strategy.
リーダーたちは戦略を話し合うために秘密のコンクレーブに集まりました。
C2 verb /ˌkɒmənˈdɪə/

commandeer

強制的に奪う
Meaning
To take control or possession of something, often by force or authority.
Example
The soldiers commandeered the villagers’ homes during the war.
戦争中に兵士たちは村人たちの家を強制的に奪った。
A2 noun /tʃæns/

chance

チャンス
Meaning
An opportunity or possibility of something happening.
Example
He took a chance and applied for the job.
彼はチャンスを取り、仕事に応募した。
A2 verb /tʃiːt/

cheat

カンニング
Meaning
to act dishonestly; to break rules for advantage
Example
He cheats on the exam by copying answers.
彼は答えをコピーして試験でカンニングします。
A1 verb /keɪm/

came

来た
Meaning
past tense of 'come'
Example
She came to the party on time.
彼女はパーティーに時間通りに来た。
B2 verb, noun /ˈkɒntɛst/

contest

競技, 挑戦
Meaning
verb: to compete or challenge; noun: a competition or dispute
Example
She decided to contest the election against the incumbent.
彼女は現職に対して選挙に挑戦することを決定しました。
C1 noun /kliːk/

clique

クリーク
Meaning
a small, exclusive group of people
Example
The students formed a clique that excluded others.
学生たちは他の人を排除したクリークを作った。
C1 noun /krəˈvæs/

crevasse

深い亀裂
Meaning
a deep crack in a glacier or the earth’s surface
Example
The climbers carefully crossed the icy crevasse.
登山者たちは慎重に氷の亀裂を越えました。
B1 noun /ˈkaʊn.səl/

council

評議会
Meaning
an assembly of people chosen or elected to make decisions or advise on matters
Example
The city council voted to improve public transportation.
市議会は公共交通の改善のために投票しました。
A1 noun /tʃaɪld/

child

子供
Meaning
a young human being below the age of puberty or below the legal age of majority
Example
The child played happily in the park.
その子供は公園で楽しそうに遊んでいました。
B1 noun /kənˌsɪdəˈreɪʃən/

consideration

幸福
Meaning
careful thought or attention to something before making a decision
Example
After much consideration, she accepted the job offer.
彼女は賞を受け取ったとき、自分の幸せを隠せなかった。
B2 noun /ˈkəʊ.tɪŋ/

coating

コーティング
Meaning
A protective or decorative layer applied to a surface.
Example
A protective coating prevents rust formation.
保護用コーティングは錆の発生を防ぎます。
B2 adjective /ˈtʃær.ɪ.tə.bəl/

Charitable

慈善的; 寛大; 優しい
Meaning
generous in giving to those in need; showing kindness
Example
She is known for her charitable work in the community.
彼女は地域社会での慈善活動で知られています。
B2 adjective /ˈkɑːmjənl/

communal

共同の
Meaning
Shared by all members of a community; for common use.
Example
The villagers worked together in the communal garden.
村人たちは共同の庭で一緒に働いた。
B1 verb /kənˈsʌlt/

consult

相談する
Meaning
To seek advice or information from someone with expertise.
Example
You should consult a doctor before starting the treatment.
治療を始める前に、医師に相談するべきです。
C2 noun /ˈkɒntrətɑː̃/

contretemps

予期しない対立
Meaning
an unexpected and unfortunate event or disagreement; a minor dispute
Example
There was a small contretemps between the two colleagues during the meeting.
会議中、二人の同僚の間で小さな予期しない対立がありました。
C2 noun /ˈkɒŋ.ɡru.əns/

congruence

整合性
Meaning
Harmony, compatibility and agreement between different elements.
Example
The congruence between their ideas made collaboration easy.
彼らのアイデアの整合性は、協力を容易にしました。
A1 adjective /kloʊzd/

closed

閉じた
Meaning
not open; shut
Example
The store is closed on Fridays.
その店は金曜日に閉まっています。
A2 verb /ˈtʃeɪndʒɪŋ/

changing

変化
Meaning
The act of becoming different; ongoing process of change.
Example
The weather is changing rapidly.
天気は急速に変化しています。
B2 noun /ˈtʃeɪmbər/

chamber

部屋
Meaning
a large room used for formal or public events, or a private room.
Example
The king held meetings in his private chamber.
王は自分のプライベートな部屋で会議を開きました。
A1 adjective /koʊld/

Cold

寒い; 冷たい; 無愛想;
Meaning
having a low temperature; lacking warmth; unfriendly
Example
The cold winter wind made everyone shiver.
冷たい冬の風がみんなを震えさせた。
B1 noun /kənˈkluː.ʒən/

Conclusion

結論; 終了; 判断
Meaning
the end or finish of an event, process, or text; a judgment or decision reached by reasoning
Example
The conclusion of the research paper summarized all the important findings.
研究論文の結論は、すべての重要な発見を要約しました。
C1 noun /ˈkoʊhɔːrts/

cohorts

コホート
Meaning
Groups of people who share a common feature or experience.
Example
Researchers compared the health outcomes of different cohorts.
研究者たちは異なるコホートの健康結果を比較しました。
C1 noun /ˈkæviˌæt/

caveat

警告
Meaning
a warning or condition to be considered before taking action
Example
The proposal was accepted with one caveat.
提案は警告付きで受け入れられました。
B2 noun /kənˈvɪk.ʃən/

conviction

確信
Meaning
A firmly held belief or opinion.
Example
She spoke with conviction, making everyone believe her.
彼女は確信を持って話し、皆を信じさせました。
C1 noun kənˈsɔː.ti.əm

consortium

コンソーシアム
Meaning
An association of several companies or organizations formed to undertake an enterprise beyond the resources of any one member.
Example
The consortium worked collaboratively to build the cable.
コンソーシアムはケーブルの建設に協力しました。
C1 verb /ˌkaʊntərˈbæləns/

counterbalance

相殺する
Meaning
to offset or balance the effect of something
Example
Exercise can counterbalance the negative effects of stress.
運動はストレスの悪影響を相殺できます。
B2 noun /ˈʃeɪndʒ ˈmænɪdʒmənt/

change management

チェンジマネジメント
Meaning
The discipline that guides how we prepare, equip and support individuals, teams and organizations in making organizational change.
Example
Change management ensures smooth transitions.
チェンジマネジメントはスムーズな移行を保証します。
C2 adjective /ˈkeəwɔːn/

careworn

疲れ切って心配そうな
Meaning
Showing signs of worry, stress, or exhaustion.
Example
His careworn face revealed years of struggle.
彼の疲れ切った顔は長年の戦いを物語っていました。
B2 noun /ˈkæbɪnət/

Cabinet

キャビネット
Meaning
a piece of furniture with doors and shelves used for storage
Example
The kitchen cabinet is full of dishes and utensils.
キッチンキャビネットは皿と器具でいっぱいです。
C2 noun /ˈtʃaɪ.nə bɑːks/

China box

ゲッキツ
Meaning
a small evergreen shrub with tiny white fragrant flowers
Example
The China box plant produced clusters of small white flowers.
ゲッキツの木は小さな白い花の房を咲かせました。
C2 adjective /kənˈsʌmptɪv/

consumptive

消費的な
Meaning
Relating to or characterized by consumption; historically used to describe someone suffering from tuberculosis.
Example
The doctor advised against consumptive habits.
医者は消費的な習慣を避けるようにアドバイスした。
C1 adjective /kɜːrt/

curt

ぶっきらぼう
Meaning
Rudely brief in speech or manner.
Example
His curt reply made everyone uncomfortable.
彼のぶっきらぼうな返答は、皆を不快にさせた。
B1 adverb /ˈkɒnstəntli/

Constantly

絶え間なく; 常に; 止まることなく
Meaning
continuously over a period of time; always; without stopping
Example
The baby was constantly crying throughout the night.
赤ちゃんは夜通し絶え間なく泣いていた。
B2 adjective /ˈklɪn.ɪ.kəl/

clinical

臨床的
Meaning
Related to the observation and treatment of patients rather than theoretical study.
Example
The doctor conducted a clinical examination.
医師は臨床検査を行った。
B2 noun /kloʊv/

Clove

クローブ
Meaning
aromatic flower buds of a tree in the family Myrtaceae, used as a spice
Example
She added a few cloves to the mulled wine for extra flavor.
彼女はワインにいくつかのクローブを加えて、風味を増しました。
B2 verb /kənˈstreɪn/

constrain

制限する
Meaning
to limit or restrict someone or something; to force or compel
Example
The new regulations constrain businesses from polluting the environment.
新しい規制は企業が環境を汚染するのを制限しています。
C1 noun /kriːd/

creed

信条, 原則
Meaning
A system of religious or spiritual beliefs or a guiding principle.
Example
Freedom of speech is part of his personal creed.
言論の自由は彼の個人的な信条の一部です。
C1 noun, adjective /ˈsɛntənəri/ or /sɛnˈtɛnəri/

centenary

百年記念
Meaning
The hundredth anniversary of a significant event; relating to a period of 100 years.
Example
The school celebrated its centenary with a grand event.
学校は百年記念を盛大なイベントで祝いました。
C2 noun /kɒn.tɪˈɡjuː.ɪ.ti/

contiguity

隣接性
Meaning
the state of being in direct contact or next to each other
Example
The contiguity of the two countries facilitates trade.
二国間の隣接性が貿易を促進します。
C1 noun, verb /kriːs/

crease

しわ, 折り目
Meaning
a line or fold produced on paper, cloth, or other material; to make a fold or wrinkle
Example
She ironed the shirt carefully to remove every crease.
彼女はシャツを慎重にアイロンがけして、すべてのしわを取り除きました。
B2 verb /ˈkɒmprəmaɪz/

compromise

妥協する
Meaning
To expose or make vulnerable to danger, suspicion, or disrepute.
Example
Excessive sharing can compromise your privacy.
過度の共有はあなたのプライバシーを危険にさらす可能性があります。
C2 noun/adjective /ˈsaɪklɔɪd/

cycloid

サイクロイド曲線
Meaning
a curve traced by a point on the rim of a circle as it rolls along a straight line
Example
The cycloid is often studied in mathematics and physics.
サイクロイド曲線は数学と物理学でよく研究されます。
B2 adjective /kənˈdʒɛstɪd/

congested

渋滞
Meaning
Blocked up with too much traffic or crowding.
Example
The road was congested during rush hour.
ラッシュアワー中、道路は渋滞していました。
C2 noun /kəmˈpɛndiəm/

compendium

コンペンディウム
Meaning
A collection of concise but detailed information about a subject.
Example
The book is a compendium of ancient myths and legends.
その本は古代の神話と伝説のコンペンディウムです。
C2 verb /kəˈmɪŋɡəl/

commingle

混ぜる
Meaning
To mix or blend different things together.
Example
The charity does not commingle donations with operational funds.
チャリティは寄付金を運営資金と混ぜません。
B2 verb /kɜːrb/

curb

抑制する / 制御する
Meaning
to restrain, control, or limit something
Example
The government took steps to curb inflation.
政府はインフレを抑制するために措置を取った。
B1 noun ˈklaɪ.mət tʃeɪndʒ

climate change

気候変動
Meaning
A change in global or regional climate patterns, attributed largely to the increased levels of atmospheric carbon dioxide produced by the use of fossil fuels.
Example
Climate change is causing more natural disasters.
気候変動は、より多くの自然災害を引き起こしています。
C1 verb /kənˈdʒɛst/

congest

混雑
Meaning
To block or overcrowd a space, making movement or flow difficult.
Example
Heavy traffic can congest the city streets during rush hour.
渋滞はラッシュアワーに都市の通りを混雑させることができます。
B1 adjective /ˈklæsɪk/

classic

クラシック, 優れた
Meaning
Judged over a period of time to be of the highest quality and outstanding of its kind.
Example
That movie is a classic example of 90s comedy.
その映画は90年代のコメディのクラシックな例です。
C1 noun /ˈsɛntɪˌliːtər/

centiliter

Meaning
A metric unit of capacity equal to one hundredth of a liter.
Example
The recipe calls for 20 centiliters of milk.
B1 noun /səˈlɛbrɪti/

celebrity

有名人
Meaning
a famous person, especially in entertainment or sports
Example
The celebrity was surrounded by fans at the airport.
その有名人は空港でファンに囲まれていた。
C2 adjective /ˈkʌvətəs/

covetous

欲張り
Meaning
having or showing a strong desire for someone else's possessions
Example
She gave him a covetous look when he showed his new watch.
彼は新しい時計を見せたとき、彼女は欲しがる目を向けた。
C2 noun /ˌkæθəˈlɪsɪti/

catholicity

普遍性, 開かれた考え
Meaning
Universality; broad-mindedness; acceptance of a wide variety of things.
Example
Her catholicity of interests makes her a fascinating person.
彼女のカトリシティな興味は、彼女を魅力的な人物にしています。
B1 noun /kənˈstrʌk.ʃən/

construction

建設
Meaning
The building of something, typically a large structure.
Example
Construction dust significantly contributes to pollution.
建設工事のほこりは汚染に大きく寄与します。
C2 noun /ˈkɔː.seər/

corsair

海賊
Meaning
a pirate, especially one operating along the Mediterranean coasts
Example
The corsair plundered ships along the coast.
コルセアは海岸沿いで船を略奪した。
C2 noun /kɒŋk/

Conch

貝殻
Meaning
a large sea shell that can be used as a horn; the marine mollusk that lives in such a shell
Example
The fisherman blew the conch shell to signal the end of the day.
漁師は一日の終わりを知らせるために貝殻を吹いた。
B2 noun /ˈklaɪ.mət əˌdæp.teɪ.ʃən/

climate adaptation

気候適応
Meaning
The process of adjusting to current or expected climate change and its effects.
Example
Climate adaptation ensures resilience to change.
気候適応は変化に対する回復力を確保します。
B2 noun /kənˈspɪrəsi/

conspiracy

陰謀
Meaning
A secret plan by a group to do something unlawful or harmful.
Example
The police uncovered a conspiracy to overthrow the government.
警察は政府を転覆させる陰謀を暴露した。
C1 adjective /kəmˈpensətɔːri/

compensatory

補償的
Meaning
serving to make up for a loss, damage, or injury
Example
The court awarded him compensatory damages.
裁判所は彼に補償的損害賠償を授与しました。
B1 noun /kəˈsiːnoʊ/

casino

カジノ
Meaning
a place where people gamble and play games of chance
Example
They spent the evening playing cards at the casino.
彼らはカジノでカードをして夜を過ごしました。
C2 noun /kɒzˈmɒɡ.ə.ni/

cosmogony

宇宙生成論
Meaning
the study or theory of the origin of the universe
Example
The book provides an overview of different cosmogonies throughout history.
この本は歴史を通じて異なる宇宙生成論の概説を提供しています。
C1 noun /ˈkɒndɪmənt/

condiment

調味料/ソース
Meaning
a substance such as salt, mustard, or ketchup that is used to add flavor to food
Example
Ketchup is a popular condiment in many countries.
ケチャップは多くの国で人気の調味料です。
B2 adjective /ˌkɑː.di.əʊˈvæs.kjʊ.lər/

cardiovascular

心臓と血管に関連する
Meaning
Relating to the heart and blood vessels.
Example
Regular exercise improves cardiovascular health.
定期的な運動は心血管の健康を改善します。
C2 verb /kənˈtɛm/

contemn

軽蔑する
Meaning
to treat or regard with disdain, scorn, or contempt
Example
He would never contemn honest work, no matter how humble.
彼はどんなに謙虚でも正直な仕事を軽蔑しない。
C2 verb /ˈkɒdʒɪteɪt/

cogitate

熟考する
Meaning
to think deeply about something; to meditate or reflect
Example
He sat by the river to cogitate on his future plans.
彼は川のそばに座って、未来の計画について考えました。
A1 adjective /ˈtʃɒk.lət/

Chocolate

チョコレート色
Meaning
a dark brown color like chocolate; the color of cocoa
Example
The chocolate brown sofa looks elegant in the living room.
チョコレート色のソファはリビングルームでエレガントに見えます。
B1 noun /ˈtʃɛərmən/

chairman

幸福
Meaning
the leader or head of a meeting, committee, or organization
Example
The chairman opened the meeting with a short speech.
彼女は賞を受け取ったとき、喜びを隠せなかった。
B2 verb /ˈklæsɪfaɪ/

classify

Meaning
to arrange or organize into categories or groups
Example
The librarian classified the books by subject.
B2 adjective /kəˈreɪdʒəs/

Courageous

勇敢な; 恐れを知らない; 危険に立ち向かう勇気を示す
Meaning
brave; fearless; showing courage in the face of danger
Example
The courageous firefighter rescued the family from the burning building.
勇敢な消防士は燃えている建物から家族を救出した。
C1 adjective /ˈkɒnvɛks/

convex

凸状の、外向きに丸みを帯びた
Meaning
curved or rounded outward
Example
The lens has a convex shape to focus light.
レンズは光を焦点を合わせるために凸の形状をしています。
B2 noun ˌkʌl.tɪˈveɪ.ʃən

cultivation

栽培
Meaning
The practice of preparing and using land for crops or gardening; the action of improving or developing something.
Example
The cultivation of organic crops has increased worldwide.
有機作物の栽培は世界中で増加しています。
B2 verb /kənˈtæmɪneɪt/

contaminate

Meaning
To make something impure, dirty, or harmful by contact with a poisonous or polluting substance.
Example
The river was contaminated by industrial waste.
B2 noun /ˈkɒmənˌteɪtər/

commentator

解説者
Meaning
a person who reports and discusses events, especially on TV or radio
Example
The commentator described the football match in detail.
解説者はサッカーの試合を詳細に説明しました。
B2 noun /ˈkaʊnsələr/

counsellor

カウンセラー
Meaning
a person trained to give guidance on personal, social, or psychological problems; an advisor
Example
She spoke to a counsellor to get advice about her career.
彼女は自分のキャリアについてカウンセラーに相談した。
B1 adjective ˈkruː.ʃəl

crucial

重要な
Meaning
Decisive or critical, especially in the success or failure of something.
Example
Fault-tolerance is crucial for reliability.
フェイルオーバーは信頼性にとって重要です。
C1 noun /ˈkɑːmənˌwɛlθ/

commonwealth

コモンウェルス
Meaning
an independent community or state, especially one founded for the common good; also an association of nations
Example
Australia is a member of the Commonwealth of Nations.
オーストラリアはコモンウェルス加盟国です。
C1 noun ˌkæp.ɪ.təl.aɪˈzeɪ.ʃən

capitalization

資本化
Meaning
The total market value of a company's shares or the provision of capital for a company or activity.
Example
The company's capitalization reached $1 billion in market value.
その会社の資本化は市場価値で10億ドルに達しました。
B2 verb /kɑːrv/

carve

Meaning
To cut or shape something, especially wood or stone, into a desired form.
Example
The artist carved a beautiful statue out of marble.
B1 adjective /ˈkʌtɪŋ/

cutting

鋭い
Meaning
sharp or severe, often used to describe remarks or actions
Example
Her cutting remarks made everyone feel uncomfortable.
彼女の鋭いコメントはみんなを不快にさせた。
B2 noun /ˌkrɛd.ɪˈbɪl.ɪ.ti/

credibility

信頼性
Meaning
The quality of being trusted and believed in; trustworthiness.
Example
His credibility as a leader remains unquestioned.
リーダーとしての彼の信頼性は疑問の余地がない。
C1 adjective /kəˈnɒnɪkəl/

canonical

カノニカル / 受け入れられた
Meaning
Conforming to a general rule or accepted standard; officially recognized.
Example
Shakespeare’s works are considered canonical in English literature.
シェイクスピアの作品は英文学においてカノニカルと見なされています。
A2 noun /ˈkɔːrnər/

corner

角
Meaning
the place where two edges or sides meet
Example
The store is just around the corner.
店はちょうど角のところにあります。