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C2 verb /kənˈstrɪndʒ/

constringe

収縮する
Meaning
to cause to shrink or contract; to constrict
Example
The medicine helped constringe the swollen tissues.
その薬は腫れた組織を収縮させるのに役立ちました。
C1 adjective /ˈkɑːr.di.æk/

cardiac

心臓の
Meaning
Relating to the heart.
Example
The patient was admitted with a cardiac condition.
患者は心臓の病状で入院しました。
C2 noun /ˌkɒzməˈpɒlɪtənɪzəm/

cosmopolitanism

コスモポリタニズム
Meaning
the ideology that all human beings belong to a single community
Example
Cosmopolitanism promotes respect and understanding across cultures.
コスモポリタニズムは文化間の尊重と理解を促進します。
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。
A1 noun /tʃiːz/

Cheese

チーズ
Meaning
a food made from the pressed curds of milk; used for photography to make people smile
Example
She added grated cheese to the pasta for extra flavor.
彼女はパスタに追加の風味を加えるために細かくおろしたチーズを加えました。
C1 noun /kənˈdəʊləns/

condolence

お悔やみ
Meaning
An expression of sympathy, especially on the occasion of death.
Example
She offered her sincere condolence to the grieving family.
彼女は悲しみに沈んでいる家族に心からのお悔やみを伝えました。
C2 noun /kənˈfɛsər/

confessor

告白者
Meaning
A person who confesses sins or secrets, especially to a priest.
Example
The confessor listened patiently to the troubled man.
告白者は困っている男性の話を忍耐強く聞いた。
C1 adjective sɪˈlɛstʃəl

celestial

天体
Meaning
Positioned in or relating to the sky, or outer space as observed in astronomy.
Example
The celestial bodies in the sky were clearly visible last night.
空にある天体は昨夜はっきりと見えました。
B2 adverb /ˈkɒnsɪkwəntli/

consequently

その結果
Meaning
as a result; therefore
Example
He didn’t study, and consequently he failed the exam.
彼は勉強しなかったので、その結果試験に落ちた。
C1 adjective,noun /kənˈtɪn.dʒənt/

contingent

依存する / 代表団
Meaning
dependent on something else; a group of people representing an organization
Example
Attendance is contingent on prior registration. / A contingent of students attended the conference.
出席は事前登録に依存しています。 / 学生の代表団が会議に出席しました。
C1 noun kənˈsjuː.mə.rɪ.zəm

consumerism

消費主義
Meaning
The tendency to increase consumption of goods and the importance given to consuming products.
Example
Modern consumerism leads to increased demand for luxury goods.
現代の消費主義は高級品の需要の増加を引き起こします。
B1 noun /ˈkɒntɛkst/

context

文脈
Meaning
the circumstances or background relevant to an event, statement, or idea
Example
To understand the quote, you need to know the context in which it was said.
引用を理解するには、それが言われた文脈を知っている必要があります。
A1 noun /ˈkʌn.tri/

country

国
Meaning
a nation with its own government and borders
Example
Bangladesh is a beautiful country with rich culture.
バングラデシュは豊かな文化を持つ美しい国です。
B1 noun /ˈkaʊnti/

county

郡
Meaning
A territorial division within a country, typically a region with its own local government.
Example
She grew up in a small county in northern England.
彼女はイギリス北部の小さな郡で育ちました。
C2 noun /ˌkəʊ.əˈles.əns/

coalescence

統合, 結合
Meaning
The process of coming together to form one mass or whole.
Example
The coalescence of different cultures creates diversity.
異なる文化のコアレッセンスは多様性を生み出します。
C1 verb /kriːk/

creak

高い音できしむ音を立てる
Meaning
to make a high-pitched, squeaking noise when moved
Example
The old door creaked as she opened it.
古いドアは彼女が開けるときにきしんだ。
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。
C2 adjective /ˌser.ɪˈməʊ.ni.əs/

ceremonious

儀式的で礼儀正しい
Meaning
marked by formality, politeness, or strict observance of customs
Example
He gave her a ceremonious bow before entering the hall.
彼はホールに入る前に儀式的なお辞儀をしました。
B2 noun /ˌkɒmplɪˈkeɪʃən/

complication

合併症
Meaning
A problem or difficulty that makes a situation harder to deal with.
Example
His illness led to serious complications after surgery.
彼の病気は手術後に深刻な合併症を引き起こしました。
A1 noun /kaʊ/

Cow

牛
Meaning
a large farm animal kept for milk or meat
Example
The cow produces fresh milk every morning.
牛は毎朝新鮮なミルクを生産します。
A2 noun /kɔːrn/

Corn

トウモロコシ
Meaning
a tall cereal plant that produces kernels on large ears; maize
Example
We grilled corn on the cob for dinner.
私たちは夕食にトウモロコシをグリルしました。
C2 noun /ˈtʃæt.əl/

chattel

動産 / 個人財産
Meaning
a personal possession; historically, movable property including slaves
Example
In the past, slaves were considered the chattel of their owners.
過去には、奴隷は所有者の動産と見なされていました。
C1 adjective /ˈkjʊərəbl/

curable

治療可能な
Meaning
Able to be cured or healed.
Example
The doctor assured her that the disease was curable.
医者はその病気が治療可能だと確信を持って言いました。
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。
C2 noun /ˈkærəm/

Carom

キャラウェイ
Meaning
aromatic seeds of a plant used as a spice, especially in Indian cooking
Example
Carom seeds are often used in traditional Indian bread recipes.
キャラウェイの種は、伝統的なインディアンのパンのレシピでよく使われます。
B2 noun /ˌkɔːrpəˈreɪʃən/

corporation

株式会社
Meaning
A large company or group of companies that is legally recognized as a single entity.
Example
The corporation invested heavily in renewable energy projects.
そのコーポレーションは再生可能エネルギーのプロジェクトに多額の投資を行った。
C2 verb /kənˈvɑːlv/

convolve

一緒に巻いたり、ねじったりする; 巻きつけたり、絡めたりする
Meaning
to roll or twist together; to coil or entwine
Example
The vines convolve around the tree trunk.
ツルは木の幹の周りを巻きつけます。
B1 verb /kənˈvɜːrt/

convert

変換する
Meaning
to change from one form to another; to transform
Example
We can convert this room into an office.
この部屋をオフィスに変えることができます。
B1 noun /ˈklaɪənt/

client

クライアント
Meaning
A person or organization using the services of a professional or company.
Example
The lawyer met with her client to discuss the case.
弁護士はクライアントと会ってケースを話し合った
C2 noun /kɪˈrɒpədɪst/

chiropodist

足病医
Meaning
A healthcare professional who diagnoses and treats foot problems.
Example
The chiropodist treated her painful corns and calluses.
足病医は彼女の痛いタコと鶏眼を治療した。
C1 noun ˌkæl.ɪˈbreɪ.ʃən

calibration

キャリブレーション
Meaning
The action or process of adjusting or determining the accuracy of measuring instruments.
Example
The accuracy of a scale depends on regular calibration.
スケールの精度は定期的なキャリブレーションに依存します。
A2 noun /ˈkæs.əl/

Castle

城; 宮殿;
Meaning
a large fortified building or set of buildings; a fortress
Example
The medieval castle stood majestically on top of the hill.
中世の城は丘の頂上に堂々と立っていました。
B2 noun /kəˈdɛt/

cadet

士官候補生
Meaning
A young trainee in the armed forces, police, or other organization.
Example
The cadet marched proudly in the parade.
士官候補生はパレードで誇らしげに行進した。
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。
B2 adjective ˌkæt.əˈstrɑː.fɪk

catastrophic

破壊的, 壊滅的
Meaning
Involving or causing sudden great damage or suffering.
Example
Climate change has catastrophic consequences.
気候変動は破滅的な影響を及ぼします。
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 adjective ˈkʌltʃərəl

cultural

文化的
Meaning
Relating to the arts and to intellectual achievements.
Example
Schools organize cultural programs to honor Victory Day.
学校は勝利の日を記念して文化的なプログラムを開催します。
B1 verb /kənˈvɪns/

convince

納得させる
Meaning
to make someone believe or feel certain about something
Example
She convinced him to attend the meeting.
彼女は彼に会議に参加するように納得させた。
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.
C1 verb /ˈkɒŋɡrɪɡeɪt/

congregate

集まる, 集結する
Meaning
to gather together in a group; to assemble
Example
People congregate in the town square every evening.
人々は毎晩町の広場に集まります。
B1 noun/adjective /ˌkærəktəˈrɪstɪk/

characteristic

特徴
Meaning
A distinguishing quality or feature of a person, place, or thing.
Example
Kindness is a characteristic of true leadership.
親切は真のリーダーシップの特徴です。
C1 noun /ˈkɑːrdəməm/

Cardamom

カルダモン
Meaning
aromatic seeds from a plant in the ginger family, used as a spice
Example
The recipe calls for a pinch of ground cardamom.
レシピにはひとつまみの粉末カルダモンが必要です。
C2 adjective /ˈkɒndʒʊɡəl/

conjugal

婚姻の
Meaning
relating to marriage or the relationship between husband and wife
Example
They enjoyed a long life of conjugal happiness.
彼らは長い結婚生活を楽しみました。
C2 adjective /ˈkræbɪd/

crabbed

読みにくい、機嫌が悪い
Meaning
difficult to read or understand; ill-tempered
Example
His handwriting was crabbed and almost illegible.
彼の手書きは読みにくく、ほとんど判読不能だった。
B1 verb /kəˈmænd/

command

命令
Meaning
to give an order authoritatively; to control or direct
Example
The general commanded the soldiers to move forward.
将軍は兵士たちに前進するよう命じた。
C1 noun ˌkʌl.mɪˈneɪ.ʃən

culmination

クルミネーション. 何かの最高潮、特に長い時間を経て達成されたもの。
Meaning
The highest or climactic point of something, especially as attained after a long time.
Example
The project reached its culmination after years of effort.
プロジェクトは長年の努力の末、最高潮に達しました。
C2 noun /kɒŋk/

Conck

貝
Meaning
a shell, especially a large spiral one used as a horn or for decoration
Example
The priest blew the conch shell to signal the start of the ceremony.
司祭は儀式の開始を知らせるためにコンクの貝を吹きました。
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。
C2 adjective /kəˈprɪʃəs/

capricious

気まぐれな
Meaning
given to sudden and unaccountable changes of mood or behavior
Example
The stock market can be capricious, shifting dramatically without warning.
株式市場は気まぐれで、予告なしに劇的に変動することがあります。
A2 noun/verb /ˈsaɪkl/

cycle

サイクル / 自転車
Meaning
a series of events that repeat in the same order; or to ride a bicycle
Example
She cycles to school every day.
彼女は毎日自転車で学校に行きます。
B2 noun/verb /sɪˈmɛnt/

cement

Meaning
a powdery substance that binds materials together; to make something strong or permanent
Example
The treaty helped cement the relationship between the two countries.
C2 noun /ˈkærɪt/

caret

キャレット (^)
Meaning
A proofreading symbol (^) used to indicate where something should be inserted.
Example
The editor placed a caret to show where the missing word should go.
編集者は、欠落している単語を挿入する場所を示すためにキャレットを配置しました。
A1 noun /ˈtʃɪk.ən/

Chicken

鶏
Meaning
a domestic fowl kept for its eggs or meat; the meat of this bird used as food
Example
The chicken laid fresh eggs every morning.
その鶏は毎朝新鮮な卵を産みました。
B2 phrase kəˈlek.tɪv ˈæk.ʃən

collective action

集団行動
Meaning
Action taken by a group of people working together toward a common goal or purpose.
Example
Collective action is needed to mitigate climate change.
気候変動を緩和するには、集団行動が必要です。
C1 noun /ˈtʃaɪ.nə.weər/

China-ware

チャイナウェア
Meaning
dishes, plates, cups, and other tableware made of porcelain or fine ceramic
Example
The expensive china-ware was displayed in the cabinet.
高価なチャイナウェアはキャビネットに展示されていました。
B2 adjective kəˈləʊ.ni.əl

colonial

植民地の
Meaning
Relating to or characteristic of a colony or colonialism, especially involving the control of one country by another.
Example
Colonial rule suppressed local governance.
植民地支配は地元の政府を抑圧した。
C1 verb /tʃaɪd/

chide

叱る
Meaning
to scold or rebuke; to express disapproval
Example
The teacher chided the student for being late.
先生は遅刻した生徒を叱りました。
B2 noun /koʊl/

coal

石炭
Meaning
a black or dark brown rock used as fuel, formed from decomposed plant matter
Example
The factory still uses coal as its main source of energy.
工場は依然として石炭を主要なエネルギー源として使用しています。
B2 adjective kənˈsaɪs

concise

簡潔
Meaning
Brief and clearly expressed without unnecessary details.
Example
A concise speech is more impactful than a long one.
簡潔なスピーチは長いスピーチよりも効果的です。
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。
A2 adjective /ˈkʌlərfəl/

colorful

カラフル
Meaning
having bright colors; full of variety or interest
Example
The festival was full of colorful decorations.
その祭りはカラフルな装飾でいっぱいでした。
B1 verb /ˈkrɪtɪsaɪz/

criticize

批判する
Meaning
to express disapproval or find fault with someone or something
Example
The teacher criticized the student's poor handwriting.
教師は学生のひどい手書きに批判を加えました。
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。
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。
C1 noun /ˈkæzəm/

chasm

裂け目 / 大きな違い
Meaning
a deep fissure in the earth's surface or a wide difference between people or ideas
Example
There was a great chasm between the two political parties.
二つの政治的党派の間には大きな裂け目がありました。
B1 noun /kɒp/

cop

警官
Meaning
a police officer (informal)
Example
The cop stopped the car for speeding.
警官はスピード違反で車を止めました。
B1 noun /ˈkɜːr.ənt/

Current

流れ
Meaning
a body of water or air moving in a definite direction; present time
Example
The river current was too strong for swimming.
川の流れは泳ぐには強すぎました。
B2 noun ক্লাইম্যাটিক কন্ডিশন্স

climatic conditions

気候条件
Meaning
The atmospheric or weather patterns of a particular region.
Example
Specific climatic conditions are required for snowfall.
雪が降るためには特定の気候条件が必要です。
C2 noun /ˈkætɪtʃuː/

Catechu

カテチュー
Meaning
an extract from a tropical Asian plant, used in tanning and dyeing
Example
Catechu extract is commonly used in traditional medicine.
カテチュー抽出物は伝統医学で一般的に使用されます。
B2 adverb /ˈkrɪtɪkli/

critically

重大に
Meaning
in a way that expresses disapproval or a very serious, important way
Example
He was critically injured in the accident.
彼は事故で重傷を負った。
B2 verb /krʌʃ/

crush

Meaning
to press or squeeze something so hard that it is damaged or destroyed
Example
He accidentally crushed the paper cup in his hand.
B2 noun /ˈkɑː.bən ˈfʊt.prɪnt/

carbon footprint

カーボンフットプリント
Meaning
The amount of carbon dioxide and other carbon compounds emitted due to the consumption of fossil fuels by a particular person, group, etc.
Example
Reducing carbon footprint is essential for combating climate change.
カーボンフットプリントを減らすことは、気候変動と戦うために重要です。
C1 noun /ˈkaʊn.tər kleɪm/

counter-claim

反訴
Meaning
a claim made to rebut a previous claim, often in legal contexts
Example
The defendant filed a counter-claim against the plaintiff.
被告は原告に対して反訴を提起しました。
C1 adjective /ˈkoʊpiəs/

copious

豊富
Meaning
abundant in supply or quantity
Example
She took copious notes during the lecture.
彼女は講義中に豊富なノートを取った。
C1 noun /ˌkɒŋɡrɪˈɡeɪʃən/

congregation

集会
Meaning
a group of people assembled for religious worship or a common purpose
Example
The congregation gathered to hear the sermon.
集会は説教を聞くために集まりました。
C2 verb /kəˈlʌmnieɪt/

calumniate

中傷する
Meaning
To make false and damaging statements about someone; to slander.
Example
He was furious when he realized they had calumniated his reputation.
彼は、彼らが彼の評判を中傷したことに気づいたとき、怒っていました。
C1 noun /ˈkɒndjuɪt/ or /ˈkɑːnduɪt/

conduit

導管 / 手段
Meaning
a channel or pipe for conveying water, electricity, or information
Example
The cable was placed inside a protective conduit.
ケーブルは保護された導管内に配置されました。
B2 noun /ˈtʃɪk piː/

Chick pea

ひよこ豆
Meaning
round beige legume; protein-rich pulse used in various dishes
Example
Soak the chick peas overnight before cooking them for better digestion.
ひよこ豆を一晩水に浸してから調理すると、消化が良くなります。
C1 verb /kənˈstruː/

construe

解釈する
Meaning
to interpret or understand the meaning of something in a particular way
Example
His words could be construed as a threat.
彼の言葉は脅威として解釈されるかもしれません。
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。
C2 noun /ˈkɒɡneɪt/

cognate

同根語
Meaning
a word related to another word in origin; having the same linguistic root
Example
The Spanish word 'madre' and the English word 'mother' are cognates.
スペイン語の「madre」と英語の「mother」は同根語です。
B2 adjective /kəʊˈhɪə.rənt/

coherent

一貫性のある
Meaning
Logical and consistent; forming a unified whole; clear and easy to understand.
Example
His speech was clear and coherent.
彼のスピーチは明確で一貫していました。
C2 noun /ˈkæriən/

carrion

死骸
Meaning
the decaying flesh of dead animals
Example
Vultures feed on carrion left in the fields.
ハゲワシは野原に残された死骸を食べる。
B1 noun /kriˈeɪ.ʃən/

Creation

創造; 作品
Meaning
the action or process of bringing something into existence; something that has been made or invented
Example
The artist's latest creation was displayed at the modern art gallery.
アーティストの最新の創作は現代アートギャラリーに展示されました。
B2 noun /ˈkʊriər/

courier

宅配便
Meaning
a person or company that delivers messages, packages, or mail
Example
The courier delivered the documents on time.
クーリエは時間通りに書類を配達しました。
B1 noun /ˈkɒləm/

column

Meaning
A vertical structure that supports a building; also a section of text arranged vertically in a newspaper or table.
Example
The ancient temple had tall marble columns.
C2 noun /klɛərˈvɔɪəns/

clairvoyance

透視能力
Meaning
the supposed ability to perceive events beyond normal sensory contact; psychic insight
Example
She claimed to have clairvoyance and predicted the future.
彼女は透視能力を持っていると主張し、未来を予知しました。
C1 noun /ˈkælkjʊləs/

calculus

微積分
Meaning
A branch of mathematics concerned with rates of change and accumulation; also a hard mineral deposit in the body such as on teeth.
Example
Calculus is essential for advanced studies in physics and engineering.
微積分は物理学と工学の高度な研究に不可欠です。
A1 verb, adjective /kloʊz/ (verb), /kloʊs/ (adjective)

close

閉じる, 近い
Meaning
To shut something (verb); near in space or relationship (adjective).
Example
Please close the door when you leave.
出かけるときはドアを閉めてください。
C1 noun /kəˈloʊkwiəˌlɪzəm/

colloquialism

口語表現
Meaning
a word or phrase used in informal speech or writing
Example
The novel is full of regional colloquialisms.
その小説は地域の口語表現で満ちている。
C1 adjective /kənˈsɪliətɔːri/

conciliatory

和解的
Meaning
intended to make someone less angry or more agreeable; soothing
Example
She spoke in a conciliatory tone to ease the tension.
彼女は緊張を和らげるために和解的な口調で話した。
B2 noun kənˌtæm.ɪˈneɪ.ʃən

contamination

汚染
Meaning
The process of making something less pure by exposure to or addition of a poisonous or polluting substance.
Example
Contamination of air leads to health issues.
空気の汚染は健康に問題を引き起こします。
C1 noun /kɑːrˈtɒɡrəfi/

cartography

地図学
Meaning
The science or practice of drawing maps.
Example
She studied cartography at university to learn how to design maps.
彼女は大学で地図学を学び、地図のデザインを学びました。
C1 adjective /ˌkætəˈklɪzmɪk/

cataclysmic

壊滅的
Meaning
Relating to or denoting a violent natural event or upheaval.
Example
The war had cataclysmic effects on the nation's economy.
戦争は国の経済に壊滅的な影響を与えた。
C1 adjective /ˌkɒndɪˈsɛndɪŋ/

condescending

見下す
Meaning
having or showing an attitude of patronizing superiority
Example
Her condescending tone upset her colleagues.
彼女の見下すような口調は、同僚を怒らせた。
C2 noun /ˈkɔːrsər/

courser

速い馬または狩猟馬
Meaning
a swift horse or a hunting horse
Example
The knight rode a fast courser into battle.
騎士は速いコーサーに乗って戦いに向かった。
B2 noun /kənˈtɛmpt/

contempt

Meaning
a strong feeling of dislike and lack of respect towards someone or something
Example
He spoke with contempt about the corrupt officials.
C1 noun /ˈkɒnstənsi/

constancy

不変/忠実
Meaning
the quality of being faithful and dependable
Example
Her constancy in friendship is admirable.
彼女の友情での忠実さは賞賛に値します。
B1 noun /ˈklaɪ.mət/

climate

気候
Meaning
The weather conditions prevailing in an area in general.
Example
Climate change impacts all regions globally.
気候変動は世界中のすべての地域に影響を与えます。
B2 verb /kənˈtɛnd/

contend

争う、主張する
Meaning
to strive or compete for something; to assert earnestly
Example
Athletes from around the world contend for the championship.
世界中のアスリートがチャンピオンシップを争っています。
B2 verb/noun /ˈsɛnsər/

censor

検閲
Meaning
to suppress or remove parts of books, films, or information considered offensive or harmful; a person who does this
Example
The government tried to censor the controversial film.
政府はその物議を醸す映画を検閲しようとしました。
A1 noun /ˈkʌl.ər/

Colour

色
Meaning
the property possessed by an object of producing different sensations on the eye as a result of the way it reflects light; hue, tint, shade
Example
What is your favorite colour for painting the bedroom walls?
寝室の壁を塗るためのお気に入りの色は何ですか？
B1 noun /ˈkɒtən/

cotton

幸せ
Meaning
A soft white fibrous substance used to make cloth and thread.
Example
This shirt is made of pure cotton.
彼女は賞を受け取ったとき、自分の幸せを隠すことができませんでした。
C1 noun /ˈkɔːrdən/

cordon

封鎖線
Meaning
a line or circle of police, soldiers, or guards preventing access
Example
The police set up a cordon around the crime scene.
警察は犯罪現場の周りにコルドンを設置しました。
C1 noun /ˈkoʊhɔːrt/

cohort

コホート
Meaning
A group of people with a shared characteristic, usually of the same age or with a common experience.
Example
The study tracked a cohort of students over ten years.
その研究は10年にわたり学生のコホートを追跡しました。
C2 noun /kəˈraʊzl/

carousal

騒々しいパーティー
Meaning
A noisy or lively drinking party or festivity.
Example
They were exhausted after a night of wild carousal.
彼らは一晩のワイルドな騒々しいパーティーの後、疲れ切っていた。
C1 verb /kənˈsɛptʃuəlaɪz/

conceptualize

概念化する
Meaning
to form an idea or concept of something in your mind
Example
The artist conceptualized a new design for the exhibition.
アーティストは展示のために新しいデザインを構想しました。
B1 noun ˈkɒnsept

concept

概念
Meaning
An abstract idea or general notion
Example
The concept of chasing two rabbits teaches focus.
二匹のウサギを追いかけるという概念は、集中力を教えます。
C1 adjective /ˈkoʊvərt/

covert

秘密
Meaning
hidden, secret, or not openly acknowledged
Example
The spy conducted a covert operation behind enemy lines.
スパイは敵の線の後ろで秘密の作戦を行った。
B2 noun /ˈkɔːr.əs/

Chorus

コーラス; 各節の後に繰り返される歌の一部
Meaning
a large organized group of singers; a part of a song that is repeated after each verse
Example
The school chorus performed beautifully at the annual concert.
学校のコーラスは年次コンサートで素晴らしいパフォーマンスをしました。
A2 adjective /kənˈfjuːzɪŋ/

confusing

紛らわしい
Meaning
causing someone to be unable to think clearly or understand; difficult to comprehend
Example
The instructions were confusing and hard to follow.
その指示は紛らわしく、従うのが難しかった。
A2 noun/verb /kənˈsɜːrn/

concern

Meaning
to relate to or affect; a matter of worry or interest
Example
Environmental issues concern all of us.
C2 noun ˌsɜːkəmˈspekʃən

circumspection

慎重、リスクを避けること
Meaning
The quality of being wary and unwilling to take risks; prudence.
Example
His circumspection ensured no mistakes were made.
彼の慎重さが間違いを犯さないようにしました。
C1 noun /ˈsɪstərn/

cistern

貯水槽
Meaning
A tank or container for storing water, usually for household use.
Example
The old house still had a cistern to collect rainwater.
古い家にはまだ雨水を集めるための貯水槽がありました。
B1 noun /kriˈeɪ.ʃənz/

creations

創作物
Meaning
Things that have been created, especially works of art or imaginative works.
Example
His creations astonished the world.
彼の創作物は世界を驚かせた。
C1 noun /krɪpt/

crypt

地下室
Meaning
an underground chamber, especially one beneath a church, used as a burial place
Example
The tourists explored the ancient crypt beneath the cathedral.
観光客は大聖堂の下にある古代の地下室を探索しました。
B2 adjective /ˈkʌnɪŋ/

cunning

ずるい
Meaning
Having or showing skill in achieving one's ends by deceit or evasion; cleverness in a tricky way.
Example
The cunning fox tricked the farmer.
ずる賢い狐は農夫を騙した。
C1 noun /krʌˈsteɪʃən/

crustacean

硬い殻を持つ水生動物
Meaning
an aquatic animal with a hard shell, such as crabs, lobsters, and shrimps
Example
Crabs and lobsters are well-known crustaceans.
カニやロブスターはよく知られている甲殻類です。
A2 noun /kəˈnɛkʃən/

connection

接続
Meaning
a relationship in which a person, thing, or idea is linked or associated with something else
Example
There is a strong connection between exercise and health.
運動と健康の間に強い接続があります。
A2 verb /kənˈfjuːz/

confuse

混乱させる
Meaning
To make someone unable to think clearly; to bewilder.
Example
The complex instructions confused the students.
複雑な指示が学生を混乱させた。
C2 noun /ˈkʌvi/

covey

小さな鳥の群れ
Meaning
a small group of birds, especially partridges or quails
Example
A covey of quails flew across the field.
コヴィのウズラの群れが畑を飛び越えた。