concurrence
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C1 noun /kənˈkʌrəns/

concurrence

一致
Meaning
Agreement or union in action, opinion, or occurrence; simultaneous happening of events.
Example
The project was completed with the concurrence of all departments.
そのプロジェクトはすべての部門の同意のもとで完了しました。
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。
C2 adjective /koʊˈtɜːr.mɪ.nəs/

coterminous

隣接
Meaning
having the same boundaries or extent in space, time, or meaning
Example
The two jurisdictions are coterminous, sharing the same borders.
これらの2つの管轄区域は隣接しており、同じ境界を共有しています。
B2 adjective /ˈkælkjuleɪtɪd/

calculated

計算された
Meaning
Done with full awareness of the consequences; deliberate or carefully planned.
Example
Her calculated move gave her an advantage over her competitors.
彼女の計算された動きは競争相手に対して優位に立たせた。
C2 noun /ˈkɒn.kɔːd/

concord

協定または調和
Meaning
Agreement or harmony between people or groups.
Example
The leaders worked towards international concord.
指導者たちは国際的な調和のために働きました。
C1 noun /ˈkʌn.stə.bəl/

constable

巡査
Meaning
a police officer of the lowest rank
Example
The constable directed traffic at the busy intersection.
巡査は混雑した交差点で交通を指導しました。
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 adverb /ˈklɒkwaɪz/

Clockwise

時計回り
Meaning
in the direction that clock hands move; in a circular direction from left to right
Example
Turn the valve clockwise to tighten it.
バルブを時計回りに回して締めてください。
C2 noun /ˈkælvɪnɪzəm/

calvinism

カルヴァン主義
Meaning
A Protestant theological system based on John Calvin’s teachings, emphasizing predestination and the sovereignty of God.
Example
Calvinism played a major role in shaping Protestant theology.
カルヴァン主義はプロテスタント神学の形成に重要な役割を果たした。
C2 noun /ˈkæʒuɪstri/

casuistry

詭弁
Meaning
The use of clever but false reasoning, especially in relation to moral questions.
Example
The lawyer’s argument was dismissed as mere casuistry.
弁護士の主張は単なる詭弁として退けられました。
B1 noun /ˈklɪn.ɪk/

clinic

クリニック
Meaning
A place where people receive medical treatment without staying overnight.
Example
She went to the clinic for a health check-up.
彼女は健康診断のためにクリニックに行った。
B1 noun /kəmˈpænjən/

companion

仲間
Meaning
a person or animal you spend time with or travel with
Example
He was my companion during the long journey.
彼は長い旅の間、私の仲間でした。
B1 adverb /ˈkeərləsli/

carelessly

不注意に
Meaning
without care or attention; in a negligent or reckless manner
Example
He carelessly left the door unlocked.
彼は不注意にドアの鍵をかけ忘れた。
B1 adjective /kənˈvɪnst/

convinced

確信した
Meaning
completely certain or sure about something
Example
She was convinced that he was telling the truth.
彼女は彼が真実を言っていると確信していた。
C1 verb /ˈkaʊər/

cower

恐怖で縮こまる
Meaning
to crouch down in fear
Example
The child cowered behind the sofa during the thunderstorm.
子供は雷の間、ソファの後ろで恐怖で縮こまっていた。
B1 noun /ˈkæbɪn/

cabin

キャビン
Meaning
a small shelter or house, often made of wood in a remote area
Example
They spent the weekend in a cozy cabin in the mountains.
彼らは山中の快適なキャビンで週末を過ごしました。
C2 noun ˌkɒmpjʊˈteɪʃənəl kəˌmjuːnɪˈkeɪʃən

computational communication

計算通信
Meaning
Digital exchange and automated interaction; the use of computational methods and systems to facilitate communication and information sharing.
Example
Computational communication is reshaping how we share information.
計算通信は私たちが情報を共有する方法を再構築しています。
A2 adverb /ˈklɪrli/

clearly

はっきりと
Meaning
In a way that is easy to perceive, understand, or see.
Example
She spoke clearly so that everyone could understand.
彼女はみんなが理解できるように、はっきりと話した。
B2 adjective /kənˈvɜːrtəbl/

convertible

オープンカー、屋根が折りたためる車
Meaning
able to be changed into a different form or use; also a car with a roof that can be folded down
Example
She drove her new convertible along the coastal road.
彼女は新しいオープンカーで沿岸道路を走った。
B2 noun /klɔː/

Claw

Meaning
sharp curved nail on the foot of an animal or bird
Example
The cat extended its sharp claws to climb the tree.
猫は木に登るために鋭い爪を伸ばした。
B1 adverb /ˈkɒmənli/

commonly

一般的に
Meaning
usually or by most people
Example
This phrase is commonly used in everyday speech.
このフレーズは日常会話で一般的に使われます。
C1 adjective /ˌkævəˈlɪər/

cavalier

無頓着
Meaning
showing a lack of proper concern; dismissive or offhand
Example
He had a cavalier attitude toward safety regulations.
彼は安全規制に対して無頓着な態度を持っていた。
C2 noun /ˈkɔːfər/

coffer

金庫
Meaning
A strongbox or small chest for holding valuables, often used metaphorically for funds or financial reserves.
Example
The city's coffers were drained after the costly project.
高額なプロジェクトの後、都市の金庫は空になりました。
B1 noun /kɑːrt/

Cart

カート
Meaning
a wheeled vehicle for carrying goods; a shopping cart
Example
The farmer loaded hay onto his cart.
農夫は干し草をカートに載せました。
B1 noun /ˈkɒnflɪkt/

conflict

対立
Meaning
A serious disagreement or argument, often a prolonged one.
Example
The two countries are trying to resolve the conflict through negotiations.
二国は交渉を通じて対立を解決しようとしています。
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。
B1 noun /ˈkɒtɪdʒ/

cottage

小屋
Meaning
a small simple house, typically in the countryside
Example
They spent their vacation in a cozy cottage by the lake.
彼らは湖のそばの快適な小屋で休暇を過ごしました。
C1 adjective /ˌkɒzməˈpɒlɪtən/

cosmopolitan

コスモポリタン
Meaning
familiar with and at ease in many different countries and cultures
Example
He has a cosmopolitan outlook due to his extensive travels.
彼は広範な旅行のおかげで、コスモポリタン的な視点を持っています。
C1 noun /ˈkriː.dəns/

credence

信頼, 認めること
Meaning
belief in or acceptance of something as true
Example
The witness gave credence to the defendant's alibi.
証人は被告のアリバイに信頼をおいた。
C1 adjective /ˈkælkjʊleɪtɪŋ/

calculating

計算高い
Meaning
acting in a scheming and ruthlessly determined way
Example
He had a cold and calculating approach to business.
彼はビジネスに冷徹で計算高いアプローチを持っていた。
C1 noun /ˌkɔːriˈɒɡrəfi/

choreography

振付
Meaning
The art of designing and arranging dances and movements.
Example
The choreography of the ballet was breathtaking.
バレエの振付は息を呑むほど素晴らしかった。
B2 adjective /ˈsɛl.əˌbreɪ.tɪd/

celebrated

有名な
Meaning
Widely known and praised; famous for an achievement.
Example
He is a celebrated author in the field of literature.
彼は文学の分野で著名な作家です。
C1 adjective /kəˈθɑːr.tɪk/

cathartic

カタルシス的
Meaning
Providing psychological relief through the open expression of strong emotions.
Example
Writing about emotions can be a cathartic experience.
感情について書くことはカタルシス的な体験となり得る。
B2 noun kəˌlæbəˈreɪʃən

collaboration

協力
Meaning
The action of working with someone to produce or create something
Example
International collaboration is necessary to fight pollution.
国際的な協力は汚染と戦うために必要です。
B2 verb /ˌkoʊ.ɪnˈsaɪd/

coincide

一致する
Meaning
To occur at the same time or to be in agreement.
Example
The meeting coincided with her birthday.
会議は彼女の誕生日と一致しました。
C2 noun /ˈtʃæm.pæk/

Champak

チャンパク
Meaning
a fragrant yellow or white flower from a tree native to South Asia, used in perfumes and religious ceremonies
Example
The champak tree in the temple courtyard bloomed with golden flowers.
寺院の中庭にあるチャンパクの木は黄金色の花を咲かせました。
B1 noun /ˈsɜːr.kəmˌsˌtæn.sɪz/

Circumstances

状況
Meaning
the conditions that affect a situation, action, or event; facts or conditions connected with or relevant to an event
Example
Under normal circumstances, she would have arrived by now.
通常の状況では、彼女はもう到着しているはずです。
A2 adjective /ˈkɒm.ən/

common

共通
Meaning
occurring frequently or widely; shared by all
Example
It is common to see traffic in the city during rush hour.
ラッシュアワー中に都市で交通渋滞を見るのは一般的です。
C2 noun /ˈkrɛməˌtɔːri/

crematory

火葬場
Meaning
a place where dead bodies are cremated
Example
The crematory was located near the cemetery.
火葬場は墓地の近くにありました。
C2 adjective /krɪˈpʌskjʊlər/

crepuscular

黄昏に関係する
Meaning
relating to twilight or active during twilight
Example
Bats are crepuscular animals, most active at dawn and dusk.
コウモリは黄昏時に活動的な動物で、夜明けと夕暮れ時が最も活発です。
A2 noun /ˈtʃer.i/

Cherry

さくらんぼ
Meaning
a small round red or black fruit with a hard seed inside
Example
She picked fresh cherries from the tree in her garden.
彼女は庭の木から新鮮なさくらんぼを摘んだ。
C1 verb /koʊks/

coax

説得する
Meaning
to persuade someone gently or gradually to do something
Example
She managed to coax the cat out of the tree with some food.
彼女は食べ物で猫を木からおろすことができました。
C1 noun /kɑst/

Caste

カースト; カースト制度
Meaning
a social class system; a hereditary class of Hindu society
Example
The ancient caste system divided society into different social groups.
古代のカースト制度は社会を異なる社会的グループに分けました。
B2 noun /ˈkaʊn.səl.ər/

counselor

カウンセラー
Meaning
a person trained to give guidance on personal, social, or psychological problems
Example
The school counselor helped the student deal with stress.
学校のカウンセラーは学生がストレスに対処する手助けをしました。
C1 adjective ˈkrɪp.tɪk

cryptic

暗号的, 謎めいた, 不明確な
Meaning
Having a meaning that is mysterious or obscure; difficult to understand.
Example
The message was cryptic and hard to decipher.
そのメッセージは暗号的で解読が難しかった。
C1 verb /ˈkriːmeɪt/

cremate

火葬する
Meaning
to burn a dead body to ashes as a funeral rite
Example
According to his wishes, they cremated his body after the funeral.
彼の希望に従って、葬儀の後に彼の遺体を火葬しました。
C2 noun /ˈsɛntɔːr/

centaur

ケンタウロス
Meaning
A mythological creature with the upper body of a human and the lower body of a horse.
Example
The centaur is a well-known figure in Greek mythology.
ケンタウロスはギリシャ神話においてよく知られた存在です。
C1 adjective /ˈkʌlpəbl̩/

culpable

有罪の
Meaning
deserving blame or responsibility for a wrongdoing
Example
The judge found him culpable for the accident.
裁判官は彼を事故の責任者として有罪としました。
B1 noun /kəmˈpær.ɪ.sən/

Comparison

比較
Meaning
the act of examining the similarities and differences between two or more things
Example
The teacher made a comparison between the two poems to show their different styles.
教師は2つの詩の比較をして、それらの異なるスタイルを示しました。
B2 adjective /ˈkɒm.pɪ.tənt/

Competent

有能な; 能力がある
Meaning
having the necessary skill or knowledge to do something successfully; capable
Example
She is a competent manager who handles all tasks efficiently.
彼女はすべてのタスクを効率的に処理する有能なマネージャーです。
A2 noun /ˈkʌzn/

cousin

いとこ
Meaning
A child of one's uncle or aunt.
Example
My cousin is coming to visit us this weekend.
私のいとこが今週末に遊びに来ます。
B2 verb /kənˈsiːd/

concede

Meaning
to admit something is true or valid, often reluctantly
Example
She finally conceded that she was wrong.
B2 adjective /ˌkɒmplɪˈmɛntəri/

complementary

補完的な
Meaning
combining in such a way as to enhance or emphasize the qualities of each other
Example
The two partners have complementary skills.
二人のパートナーは補完的なスキルを持っています。
C2 noun /ˌkɒl.əˈneɪd/

colonnade

コロネード
Meaning
A row of evenly spaced columns supporting a roof, often in classical architecture.
Example
The visitors admired the grand colonnade at the entrance of the temple.
訪問者は寺院の入り口で壮大なコロネードに感嘆していました。
C1 noun /ˈʃoʊ.vəˌnɪz.əm/

chauvinism

Meaning
Excessive or prejudiced support for one's own cause, group, or gender, often with contempt for others.
Example
The company's culture was criticized for promoting male chauvinism.
A2 verb /kənˈteɪn/

contain

含む
Meaning
to have or include within; to restrain or control
Example
This box contains important documents.
この箱には重要な書類が含まれています。
C1 verb /kənˈviːn/

convene

集まる、会議や集会を召集する
Meaning
to come together or assemble, especially for a meeting or formal gathering
Example
The board will convene tomorrow to discuss the new policy.
ボードは明日新しい方針を議論するために召集されます。
C1 adjective /kəˈləʊ.kwi.əl/

colloquial

口語
Meaning
Used in ordinary conversation rather than formal speech or writing; informal language.
Example
His colloquial expressions made the speech relatable.
彼の口語表現はスピーチをより身近なものにしました。
B2 verb /kriːp/

creep

這う
Meaning
to move slowly and quietly; to make someone feel uncomfortable
Example
She crept quietly up the stairs to avoid waking anyone.
彼女は誰も起こさないように静かに階段を上がった。
B2 adjective /kəmˈpætəbl/

compatible

互換性のある
Meaning
Able to exist or work together without conflict; harmonious.
Example
This software is compatible with both Windows and Mac systems.
このソフトウェアはWindowsとMacの両方のシステムと互換性があります。
B2 verb /kəˈmɛns/

commence

開始する
Meaning
to begin or start something
Example
The ceremony will commence at noon.
式は正午に開始されます。
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 /ˈkænən/

canon

規範
Meaning
A general law, rule, principle, or collection of sacred books accepted as genuine.
Example
The book is now considered part of the literary canon.
その本は現在、文学の規範の一部と見なされています。
C1 noun ˌkɒn.əˈteɪ.ʃən

connotation

言葉の暗示的または示唆された意味
Meaning
The implied or suggested meaning of a word beyond its literal definition
Example
The word 'home' has a warm connotation of comfort and family.
'家'という言葉には、快適さと家族を象徴する温かい暗示がある
C1 noun /krəˈʃɛndoʊ/

crescendo

音量の段階的増加
Meaning
a gradual increase in loudness or intensity, especially in music
Example
The orchestra built to a powerful crescendo before the finale.
オーケストラはフィナーレの前に強力なクレッシェンドを築いた。
B1 noun /ˈkær.ə.væn/

Caravan

キャラバン
Meaning
a group of people traveling together, especially through desert areas
Example
The merchant caravan crossed the desert with camels carrying precious goods.
商人のキャラバンは、貴重な商品を運ぶラクダと共に砂漠を越えました。
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 adjective /ˈkjʊriəs/

curious

好奇心旺盛な
Meaning
Eager to know or learn something.
Example
The curious explorers asked questions about Antarctica.
好奇心旺盛な探検家たちは南極について質問をした。
B2 verb /kənˈfrʌnt/

confront

立ち向かう
Meaning
to face someone or something directly, especially in a challenge or conflict
Example
She had to confront her fears before making the speech.
彼女はスピーチをする前に恐怖と向き合わなければならなかった。
C2 noun /kəˈkɒfəni/

cacophony

耳障りな音
Meaning
A harsh, discordant mixture of sounds.
Example
The cacophony of horns made it impossible to concentrate.
クラクションの耳障りな音は集中を不可能にした。
C1 noun /ˈkjuːmɪn/

Cumin

クミン
Meaning
A spice made from the dried seeds of a plant in the parsley family, with a warm earthy flavor
Example
Cumin is an essential spice in Indian and Middle Eastern cooking.
クミンはインディア料理と中東料理で重要なスパイスです。
C2 verb /ˌkaʊntərˈmænd/

countermand

命令を取り消す
Meaning
to revoke or cancel an order or command
Example
The general countermanded the previous orders immediately.
将軍は前の命令を直ちに取り消しました。
C1 adjective /ˈkɔːrəl/

choral

合唱に関連する
Meaning
Relating to, written for, or performed by a choir or chorus.
Example
The church hosted a choral performance on Sunday.
教会は日曜日に合唱のパフォーマンスを開催しました。
B2 noun /kənˈvɛn.ʃən.əl ˈfɑːr.mɪŋ/

conventional farming

従来型農業
Meaning
Traditional farming method using synthetic fertilizers, pesticides, and modern technology.
Example
Conventional farming increases crop production using fertilizers.
従来型農業は肥料を使って作物の生産を増加させる。
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。
C1 noun /ˈʃæpəroʊn/

chaperon

付き添い人
Meaning
An older person who accompanies and supervises young people in social situations.
Example
The teacher acted as a chaperon during the school dance.
先生は学校のダンスで付き添い人として行動しました。
C2 adjective /ˌkɑːmənˈsɛnsɪkəl/

commonsensical

常識的な
Meaning
based on or showing sound practical judgment; sensible
Example
It was commonsensical to carry an umbrella on a rainy day.
雨の日に傘を持つのは常識的なことだった。
C2 adjective /ˈtʃɜːrlɪʃ/

churlish

無礼
Meaning
Rude in a mean-spirited and surly way.
Example
It would be churlish to refuse her kind invitation.
彼女の親切な招待を断るのは無礼だろう。
C2 verb /ˈtʃeɪ.sən/

chasten

戒める / 征服する
Meaning
to correct or discipline; to humble or subdue
Example
The coach chastened the team after their poor performance.
コーチは彼らの悪いパフォーマンスの後、チームを戒めた。
B2 noun /ˈkaʊ.ərd/

Coward

臆病者
Meaning
a person who lacks the courage to do or endure dangerous or unpleasant things
Example
He called himself a coward for not standing up to the bully.
彼はいじめっ子に立ち向かわなかったので、自分を臆病者だと言った。
B1 noun /ˈkɑn.træst/

Contrast

対比; 違い; 比較
Meaning
the state of being strikingly different from something else; comparison showing differences
Example
The contrast between city life and rural life is quite remarkable.
都市生活と農村生活の対比は非常に顕著です。
B1 noun ˌkɒn.səˈveɪ.ʃən

conservation

保存
Meaning
The protection of plants and animals, natural areas, and interesting and important structures and buildings, especially from the damaging effects of human activity.
Example
Conservation of forests is crucial for climate stability.
森林の保護は気候の安定に不可欠です。
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。
A2 noun /ˌsɛlɪˈbreɪʃən/

celebration

祝典
Meaning
a festive event or activity to honor an occasion
Example
The city held a grand celebration on Independence Day.
その都市は独立記念日に大規模な祝典を開催した。
C1 noun /kənˈtɛndər/

contender

競争者, 立候補者
Meaning
a person or team competing for a title or prize
Example
She is a strong contender for the mayoral position.
彼女は市長職の強力な候補者です。
B1 noun /keɪv/

Cave

洞窟; 空間;
Meaning
a large underground chamber in a hill or cliff; a hollow space in rock
Example
The explorers discovered ancient paintings on the cave walls.
探険者は洞窟の壁に古代の絵を発見しました。
B1 verb /kəmˈpiːt/

compete

競争する
Meaning
to try to win or be more successful than others in a contest or activity
Example
Several companies compete for dominance in the market.
いくつかの会社が市場での支配を競い合っています。
B2 noun /ˈkruː.əl.ti/

Cruelty

残酷; 非人道的な扱い; 苦痛を引き起こす行動
Meaning
behavior that causes pain or suffering to others; the quality of being cruel
Example
The documentary exposed the cruelty of factory farming to animals.
ドキュメンタリーは、工場式農業が動物に対して行う残酷さを暴露した。
B2 adjective /kɒzˈmɛt.ɪk/

cosmetic

化粧品
Meaning
relating to beauty or appearance; intended to improve looks
Example
She bought a new cosmetic cream for her skin.
彼女は肌のために新しいコスメティッククリームを買いました。
B2 noun /kleɪ/

clay

粘土
Meaning
a natural material made of fine earth that becomes hard when baked, used for making pottery
Example
The artist molded the wet clay into a beautiful vase.
アーティストは湿った粘土を使って美しい花瓶を作りました。
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。
C2 adjective /kəˈpeɪ.ʃəs/

Capacious

広々とした; 大きい; 広い;
Meaning
having a lot of space inside; roomy and spacious
Example
The capacious hall can accommodate five hundred people.
広々としたホールは五百人を収容できます。
C1 noun /kəˈnʌn.drəm/

conundrum

複雑な問題やパズル
Meaning
A complex problem or puzzle without an easy solution
Example
The ethical conundrum puzzled the researchers.
倫理的なジレンマは研究者たちを困惑させた。
A1 modal verb /kʊd/

could

できた
Meaning
Used to indicate possibility, ability, or permission in the past or as a polite suggestion.
Example
He could swim when he was a child.
彼は子供の頃泳げた。
C2 verb /kəˈriːn/

careen

制御を失って進む
Meaning
To move swiftly and in an uncontrolled way, especially in a specific direction.
Example
The car careened down the slippery road.
車は滑りやすい道路で制御を失いながら進みました。
C2 noun /ˈtʃaɪ.nə roʊz/

China-rose

ハイビスカス
Meaning
a tropical flowering plant with large, showy flowers in various colors
Example
The bright red China-rose flowers decorated the entrance of the house.
鮮やかな赤いハイビスカスの花が家の入口を飾った。
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。
B2 noun ˈkrɪt.ɪ.kəl ˈθɪŋ.kɪŋ

critical thinking

批判的思考
Meaning
The objective analysis and evaluation of an issue in order to form a judgment.
Example
Critical thinking helps in making informed decisions.
批判的思考は情報に基づいた意思決定に役立ちます。
B1 noun /ˌkæl.kjəˈleɪ.ʃən/

Calculation

計算
Meaning
a mathematical determination of the size or number of something
Example
His calculation of the total cost was accurate to the penny.
彼の総費用の計算はペニー単位まで正確でした。
B1 noun ˈkɒn.fər.əns

conference

会議
Meaning
A formal meeting of people with a shared interest, typically one that takes place over several days.
Example
The climate conference emphasized renewable energy.
気候会議では再生可能エネルギーが強調されました。
C1 adjective /kəˈlæpsəbl̩/

collapsible

折りたたみ式
Meaning
able to be folded down or reduced in size
Example
She bought a collapsible chair for camping.
彼女はキャンプ用に折りたたみ式の椅子を買いました。
C1 adjective kənˈkɝː.ənt

concurrent

同時に行われる、並行する、同じ時間に行われる
Meaning
Existing, happening, or done at the same time.
Example
The conference had concurrent sessions on various topics.
会議では、さまざまなトピックに関する並行セッションが行われました。
A2 verb /tʃɪər/

cheer

応援する
Meaning
to shout in encouragement or support; to make someone feel happier
Example
The fans cheered loudly when their team scored a goal.
ファンはチームがゴールを決めたとき、大声で応援した。
B2 noun /ˈkɒn.trɪ.bjʊ.tər/

contributor

貢献者
Meaning
a person who gives something to help achieve a result
Example
He was a regular contributor to the local newspaper.
彼は地元の新聞の定期的な貢献者でした。
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。
C1 noun kəmˈpleɪ.sən.si

complacency

自己満足
Meaning
Excessive self-satisfaction with one's achievements that can hinder progress.
Example
His complacency led to a decline in his performance.
彼の自己満足は彼のパフォーマンスの低下を招いた。
B2 adjective kəˈlɛktɪv

collective

集団的
Meaning
Done by people acting as a group; shared by all members of a group.
Example
Victory Day represents our collective pride.
勝利の日は私たちの集団的誇りを象徴しています。
C1 noun kəˈlæt.ər.əl

collateral

担保、ローンの保証として提供される資産
Meaning
Something pledged as security for repayment of a loan, to be forfeited in the event of a default.
Example
The bank requires collateral for loan approval.
銀行はローン承認のために担保を要求します。
B2 noun /ˈkɑn.trəˌvɜr.si/

Controversy

論争; 意見の対立
Meaning
prolonged public disagreement or heated discussion; a dispute or argument involving opposing viewpoints
Example
The new policy sparked a major controversy among the citizens.
新しい政策は市民の間で大きな論争を引き起こしました。
B1 adjective /ˈtʃælɪndʒɪŋ/

challenging

挑戦的な
Meaning
difficult in a way that tests one's abilities
Example
The mountain climb was challenging but rewarding.
山登りは挑戦的だったが、報われた。
C2 noun /ˈklæŋər/

clangor

音、騒音
Meaning
A loud, resonant, and continuous noise, often metallic.
Example
The clangor of the church bells filled the town square.
教会の鐘の音が町の広場に響き渡った。
C1 noun koʊˈhisɪv ˈjunɪts

cohesive units

結束した単位
Meaning
Groups or organizations that work together as unified wholes, with members closely bound together.
Example
Early humans formed cohesive units for survival.
初期の人類は生存のために結束した単位を作った。
C1 noun /ˈkæn.ɪ.bəl/

Cannibal

人食い
Meaning
a person who eats the flesh of other human beings
Example
The explorer's journal described rumors of cannibals living on the remote island.
探検家の日記には、遠くの島で人食いが生きているという噂が書かれていました。
B2 adjective /ˈtʃeɪn.dʒə.bəl/

Changeable

変わりやすい; 不安定な
Meaning
able to be changed; likely to change frequently
Example
The weather is very changeable in spring.
春は天気が非常に変わりやすいです。
C2 noun /ˈkaʊntɪŋˌhaʊs/

counting-house

会計事務所
Meaning
a business office where accounts are kept and financial transactions are managed
Example
The merchant spent most of his day in the counting-house reviewing ledgers.
商人は一日中、会計事務所で帳簿を確認して過ごしました。
B2 noun ˌkɒn.fɪ.den.ʃiˈæl.ɪ.ti

confidentiality

機密性
Meaning
The state of keeping or being kept secret or private
Example
Confidentiality is crucial in data security.
機密性はデータセキュリティにおいて重要です。
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。
B1 adjective /ˈkɒn.stənt/

Constant

一定の; 変わらない; 安定した
Meaning
occurring continuously over a period of time; unchanging; steady
Example
The machine runs at a constant speed.
機械は一定の速度で動作します。
C2 noun /ˌkæv.əlˈkeɪd/

cavalcade

行列
Meaning
a formal procession of people riding on horses or in vehicles
Example
The king’s arrival was marked by a grand cavalcade.
王の到着は壮大な行列で印象付けられた。
C1 adverb /ˈkɔːrdiəli/

Cordially

心から
Meaning
in a warm and friendly manner; sincerely
Example
You are cordially invited to our wedding ceremony.
あなたは私たちの結婚式に心から招待されています。
B2 noun /kəˈlɛstərɒl/

cholesterol

コレステロール
Meaning
a fatty substance found in the blood, high levels of which can cause health problems
Example
High cholesterol can increase the risk of heart disease.
高コレステロールは心臓病のリスクを高める可能性があります。