cataract
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C1 noun /ˈkætərækt/

cataract

白内障 / 滝
Meaning
A medical condition causing clouding of the eye's lens; also a large waterfall.
Example
The old man suffered from cataracts in both eyes.
その高齢の男性は両目に白内障を患っていました。
C1 verb /ˈkɒnfɪskeɪt/

confiscate

Meaning
to take something away officially, often as a punishment
Example
The teacher confiscated the student's phone during class.
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。
C1 adjective kəˈlɒs.əl

Colossal

巨大な
Meaning
Extremely large, gigantic, enormous in size or extent.
Example
The colossal pyramids of Egypt are a marvel of architecture.
エジプトの巨大なピラミッドは建築の奇跡です。
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。
A1 noun /kæn/

Can

Meaning
a metal container for food or drink
Example
I opened a can of soup for lunch.
私は昼食のためにスープの缶を開けました。
B2 noun /kəˈlɪʒ.ən/

Collision

衝突; ぶつかり合い
Meaning
an instance of one moving object hitting violently against another; a conflict of opposing ideas or interests
Example
The collision between two cars caused a major traffic jam.
二台の車の衝突で大きな渋滞が発生しました。
B2 noun /krɪˈeɪtə/

creator

創造者
Meaning
a person who brings something into existence
Example
He is the creator of many successful startups.
彼は多くの成功したスタートアップのクリエイターです。
C1 noun /ˈtʃæs.tɪ.ti/

Chastity

純潔; 処女性; 節制;
Meaning
the practice of refraining from extramarital or premarital sexual relations; sexual purity
Example
Many religious traditions value chastity as a virtue of moral purity.
多くの宗教的伝統では、純潔は道徳的純粋さの美徳とされています。
C2 noun /ˈkreɪniəm/

cranium

頭蓋骨
Meaning
the skull, especially the part enclosing the brain
Example
The archaeologists carefully examined the ancient cranium.
考古学者たちは古代の頭蓋骨を慎重に調べました。
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。
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。
C1 noun ˈkəmˌpaʊndɪŋ

compounding

複利
Meaning
The process whereby interest is added to an amount of money and future interest is calculated on the total.
Example
Compounding interest increases the value of investments over time.
複利は時間が経過するにつれて投資の価値を増加させます。
C1 adjective /kənˈdʒenɪtl/

congenital

先天的
Meaning
existing from birth, usually describing a disease or condition
Example
The child was born with a congenital heart defect.
その子供は先天的な心臓疾患を持って生まれました。
C2 noun /ˈkærəˌpeɪs/

carapace

カメやカニの背中を覆う硬い殻
Meaning
the hard shell covering the back of some animals like turtles and crabs
Example
The turtle withdrew into its carapace for protection.
カメは保護のためにカラパスに引っ込んだ。
C2 verb /ˌsɜːrkəmˈnævɪɡeɪt/

circumnavigate

地球を一周する
Meaning
to travel all the way around something, especially the earth
Example
Magellan was the first to circumnavigate the globe.
マゼランは最初に地球を一周した人物です。
B2 noun /tʃɔːr/

chore

家事
Meaning
A routine task, especially a household duty.
Example
Washing the dishes is my least favorite chore.
食器を洗うのは私の一番嫌いな家事です。
C2 adjective /sɛnˈtrɪpɪtəl/

centripetal

向心力
Meaning
Moving or directed toward a center.
Example
Centripetal force keeps the planets in orbit around the sun.
向心力は惑星を太陽の周りの軌道に保ちます。
B2 adjective /kənˈsɪd.ər.ɪt/

Considerate

思いやりのある; 配慮深い
Meaning
showing careful thought about the feelings or wishes of others; thoughtful
Example
He is always considerate of others' feelings.
彼はいつも他人の感情に配慮しています。
C2 noun /ˈkɔːldrən/

caldron

大きな金属製の鍋
Meaning
A large metal pot used for boiling liquids or cooking over an open fire.
Example
The witch stirred her potion in a bubbling caldron.
魔女は泡立つ鍋の中で魔法薬をかき混ぜていた。
C2 noun /kəˈtæb.ə.lɪ.zəm/

catabolism

カタボリズム
Meaning
The breakdown of complex molecules in living organisms to form simpler ones together with the release of energy; destructive metabolism.
Example
Catabolism plays a crucial role in cellular energy production.
カタボリズムは細胞のエネルギー生産に重要な役割を果たします。
C1 verb /ˈkrɪsən/

christen

洗礼名を付ける
Meaning
to give a name to someone at baptism or to name something officially
Example
They christened the ship after the queen.
彼らは船に女王の名前を付けました。
B2 adjective ˌkɒntrəˈdɪktəri

contradictory

矛盾する
Meaning
Mutually opposed or inconsistent; containing elements that oppose each other.
Example
Their views on education are contradictory.
彼らの教育に対する見解は矛盾しています。
C1 adjective /kənˈɡrɛʃənl/

congressional

議会の
Meaning
relating to a congress, especially the US Congress
Example
The bill received strong congressional support.
その法案は強力な議会の支持を得た。
B1 noun /ˈkɔːlɪˌflaʊər/

Cauliflower

カリフラワー
Meaning
white vegetable with a compact head of undeveloped flower buds
Example
Roasted cauliflower makes a delicious and healthy side dish.
ローストしたカリフラワーはおいしくて健康的なサイドディッシュです。
B2 noun /ˈkeɪ.ɒs/

Chaos

カオス; 混乱; 無秩序
Meaning
complete disorder and confusion; a state of total confusion with no order
Example
The earthquake caused chaos in the city as buildings collapsed and people panicked.
地震は都市でカオスを引き起こし、建物が崩れ、人々がパニックに陥った。
C1 noun /krɪˈden.ʃəl/

credential

資格証明書
Meaning
a qualification, achievement, or aspect of a person's background used to indicate suitability for something
Example
She presented her credentials before starting the new job.
彼女は新しい仕事を始める前に資格証明書を提示しました。
B2 noun /kənˈstɪtʃ.u.ənts/

constituents

構成要素
Meaning
Components or elements used to create something.
Example
Proteins and vitamins are essential constituents of a healthy diet.
プロテインとビタミンは健康的な食事の重要な構成要素です。
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。
A2 noun /ˈkændi/

candy

キャンディ
Meaning
a sweet food made with sugar or chocolate, often in small pieces
Example
The children were excited to get candy on Halloween.
子供たちはハロウィンでキャンディをもらって興奮していた。
C1 adjective /ˈkrɛdɪtəbl/

creditable

称賛に値する
Meaning
Deserving praise or acknowledgment, though not necessarily outstanding.
Example
She made a creditable effort in completing the project on time.
彼女は時間通りにプロジェクトを完了するために称賛に値する努力をしました。
A2 adjective /ˈtʃɪə.fəl/

Cheerful

陽気な; 楽観的な; 喜びに満ちた
Meaning
happy and optimistic; full of joy and good spirits; bright and lively
Example
She has a cheerful personality that brightens everyone's day.
彼女は皆の日を明るく照らす陽気な性格を持っています。
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 /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。
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。
C2 noun /ˈkjuːbeb ˈpepər/

Cubeb Pepper

キューベブペッパー
Meaning
aromatic spice with a slightly bitter taste and cooling aftertaste
Example
Cubeb pepper is used in traditional Indonesian cuisine.
キューベブペッパーは伝統的なインドネシア料理に使用されます。
C2 noun ˌsaɪ.bəˈnet.ɪks

cybernetics

サイバネティクス
Meaning
The science of communications and automatic control systems in both machines and living things.
Example
Cybernetics plays a crucial role in artificial intelligence.
サイバネティクスは人工知能において重要な役割を果たしています。
B1 noun /tʃɑːrt/

chart

チャート
Meaning
a sheet of information in the form of a table, graph, or diagram
Example
The teacher used a chart to explain the statistics.
教師は統計を説明するためにチャートを使用しました。
B2 noun kənˈtrækʃən

contraction

収縮
Meaning
The process of becoming smaller; a decrease in size or quantity.
Example
The economic contraction resulted in a rise in unemployment.
経済の収縮は失業率の上昇を招いた。
C1 noun /ˈklɛmənsi/

clemency

寛容
Meaning
mercy, leniency, or forgiveness shown towards someone
Example
The judge showed clemency and reduced his sentence.
裁判官は寛容を示し、彼の判決を軽減しました。
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。
A1 noun/verb /ˈkʊkɪŋ/

cooking

料理
Meaning
the process of preparing food by heating it
Example
Cooking is one of my favorite hobbies.
料理は私の好きな趣味の一つです。
C2 noun /kɒŋk/

Conck

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。
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 adjective, noun /ˈsɛlɪbət/

celibate

Meaning
abstaining from marriage and sexual relations; a person who does so
Example
He chose to remain celibate for religious reasons.
C1 adjective /kənˈspɪkjuəs/

conspicuous

目立つ
Meaning
Easily noticeable; attracting attention due to being unusual or prominent.
Example
Her red dress made her conspicuous at the party.
彼女の赤いドレスはパーティーで目立っていました。
C2 adjective /kɒnˈsæŋɡwɪn/

consanguine

血縁関係の
Meaning
Of the same blood or origin; related by birth.
Example
The two families were consanguine through their grandparents.
二つの家族は彼らの祖父母を通じて血縁関係にあった。
C2 noun /ˈkær.ə.weɪ siːdz/

Caraway seeds

キャラウェイシード
Meaning
aromatic seeds of the caraway plant used as a spice in cooking and baking
Example
The bread was flavored with caraway seeds.
パンはキャラウェイシードで風味づけされた。
A1 verb /kɔːst/

cost

費用
Meaning
to have a price of; to require payment; to cause loss
Example
This book will cost twenty dollars.
この本は二十ドルかかります。
C1 adjective /ˌser.ɪˈmoʊ.ni.əl/

Ceremonial

儀式的
Meaning
relating to or used in ceremonies; formal and ritualistic
Example
The ceremonial dress was worn during the royal wedding.
王室の結婚式で着用される儀式的な衣装でした。
C2 adjective /ˈkɒŋɡruənt/

congruent

合同
Meaning
in agreement or harmony; having the same shape and size in geometry
Example
Their values are congruent with the goals of the organization.
彼らの価値観は組織の目標と一致しています。
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。
B1 noun /ˈtʃɪl.i ˈpaʊ.dər/

Chilli Powder

チリパウダー
Meaning
a spice made from ground dried chili peppers, used to add heat and flavor to food
Example
Add two teaspoons of chilli powder to make the dish spicier.
料理を辛くするためにチリパウダーを小さじ2杯加えてください。
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.
C2 adjective /kəmˈpleɪzənt/

complaisant

過度に従順
Meaning
willing to please others or to accept what they do or say without protest
Example
He was too complaisant to refuse their demands.
彼は彼らの要求を断るにはあまりにも従順すぎた。
B2 verb /ˈklærɪfaɪ/

clarify

明確にする
Meaning
to make clear; to explain more clearly
Example
The teacher clarifies the difficult concept.
先生は難しい概念を明確にします。
C2 noun /ˌkɒməˈsɛəriət/

commissariat

供給部門
Meaning
A department responsible for supplying food and equipment, especially in the military.
Example
The army commissariat ensured that the soldiers had enough supplies.
軍隊の供給部門は、兵士たちが十分な物資を持っていることを確認した。
C2 noun /kəˌrɒbəˈreɪʃən/

corroboration

証拠
Meaning
evidence that confirms or supports a statement, theory, or finding
Example
The documents provided strong corroboration of her claims.
書類は彼女の主張を強力に裏付ける証拠を提供した。
B2 noun /kɔːrd/

chord

和音
Meaning
A group of musical notes played or sung together; also a straight line segment joining two points on a curve.
Example
She strummed a simple chord on the guitar.
彼女はギターでシンプルな和音を弾いた。
C1 noun kəˈrəʊ.ʒən

corrosion

腐食
Meaning
The gradual destruction of materials by chemical or electrochemical reaction, especially of metals by oxidation.
Example
Corrosion in pipes leads to leakage.
パイプ内の腐食は漏れの原因となります。
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。
B2 noun /ˈkʌlprɪt/

culprit

犯人
Meaning
a person who is responsible for a crime or misdeed
Example
The police caught the culprit behind the robbery.
警察は強盗の背後にいる犯人を捕まえた。
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 noun /ˈkɜːrfjuː/

curfew

外出禁止令
Meaning
a rule requiring people to stay indoors after a certain time, usually at night
Example
The city imposed a curfew during the unrest.
都市は騒動の間に外出禁止令を課しました。
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。
C2 verb /kənˈtjuːz/

contuse

打撲する
Meaning
to bruise by striking or hitting
Example
He contused his arm when he fell off the bike.
彼は自転車から落ちて腕を打撲しました。
B2 noun /ˈkreɪ.dəl/

Cradle

揺り籠
Meaning
a small bed for a baby, especially one that rocks from side to side
Example
The baby sleeps peacefully in the cradle.
赤ちゃんは揺り籠で静かに寝ています。
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 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 verb /kənˈspaɪər/

conspire

共謀する
Meaning
to secretly plan with others to do something harmful or illegal
Example
They conspired to overthrow the government.
彼らは政府を倒すために共謀した。
C2 verb /kənˈdjuːs/

conduce

貢献する
Meaning
To help bring about a particular result; to contribute to something.
Example
Regular exercise conduces to better health.
定期的な運動は健康に役立ちます。
C1 adjective ˈklaɪ.mət rɪˈzɪl.i.ənt

climate-resilient

気候に強い
Meaning
Able to cope with the adverse effects of climate change; sustainable and adaptable.
Example
Climate-resilient crops can survive extreme weather conditions.
気候に強い作物は極端な天候にも耐えられます。
C1 verb/noun /ˈkrɒn.ɪ.kəl/

chronicle

出来事を発生した順番で記録する
Meaning
To record events in the order in which they happened; a written record of historical events.
Example
She decided to chronicle her journey through a blog.
彼女はブログを通じて彼女の旅を記録することに決めました。
B1 adjective /kənˈviː.ni.ənt/

Convenient

便利な;使いやすい;実用的な;
Meaning
fitting in well with a person's needs, activities, and plans; suitable and practical
Example
The new shopping mall is very convenient for our family.
新しいショッピングモールは私たちの家族にとってとても便利です。
C1 noun /kəˈmoʊʃən/

commotion

騒ぎ
Meaning
A state of noisy confusion or disturbance.
Example
The sudden commotion in the market drew everyone's attention.
市場での突然の騒ぎがみんなの注目を集めた。
B2 noun /kəmˈpɑːrt.mənt/

Compartment

車両
Meaning
a separate section or division of a larger space, especially in a train
Example
We found seats in the first-class compartment.
私たちはファーストクラスの車両で席を見つけました。
A2 adjective /ˈkraʊdɪd/

crowded

幸せ
Meaning
filled with too many people or things
Example
The bus was so crowded that I could hardly move.
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なかった。
C1 verb /kəmˈpjuːt/

compute

計算する
Meaning
To calculate or determine by using a computer or mathematical methods.
Example
The software can compute the total cost in seconds.
そのソフトウェアは数秒で総コストを計算できます。
B1 noun sɪvɪˈlɪzeɪʃənz

civilizations

文明
Meaning
The stage of human social development and organization that is considered most advanced.
Example
Ancient civilizations developed complex systems of governance.
古代の文明は複雑な統治システムを発展させました。
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。
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。
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。
C1 noun /ˈkɒnsjʊlət/

consulate

領事館
Meaning
the building or office where a consul works
Example
He went to the consulate to renew his visa.
彼はビザを更新するために領事館に行きました。
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。
A2 noun, verb /tʃɪp/

chip

Meaning
A small piece broken off from something; or to cut or break a small piece from something.
Example
He accidentally chipped the edge of the table.
B1 adjective /ˈsɪvəl/

civil

市民の
Meaning
Relating to ordinary citizens and their concerns, or being polite and courteous.
Example
They settled the matter through civil discussion.
彼らは市民的な議論を通じて問題を解決しました。
C2 adjective /kənˈdʒɛktʃərəl/

conjectural

推測的
Meaning
based on guesswork or incomplete evidence rather than certain knowledge
Example
His explanation was purely conjectural and lacked proof.
彼の説明は完全に推測的で、証拠が欠けていました。
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 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 noun /ˌkɒn.təmˈpleɪ.ʃən/

contemplation

深い考察
Meaning
The action of looking thoughtfully at something for a long time; deep reflective thought.
Example
She sat in contemplation before making her decision.
彼女は決断を下す前に深く考察していた。
A2 verb /tʃɑːrdʒ/

charge

請求する/告発する
Meaning
to demand payment; to formally accuse; to rush forward aggressively
Example
The store charges extra for home delivery.
その店はホームデリバリーに追加料金を課します。
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。
B2 noun /kaʊtʃ/

Couch

カウチ
Meaning
a long upholstered seat for more than one person, typically with a back and arms
Example
The family gathered on the couch to watch a movie.
家族はソファに集まり、映画を見ました。
B1 noun /tʃɪn/

Chin

あご
Meaning
the protruding part of the face below the mouth, formed by the apex of the lower jaw
Example
He stroked his beard thoughtfully, resting his hand on his chin.
彼は考えながらあごひげを撫で、手をあごに置いた。
B1 noun /kəˈrɛkʃən/

correction

訂正
Meaning
the action or process of correcting something
Example
The teacher made a correction to the student's essay.
教師は学生のエッセイに訂正を加えました。
B2 noun ˌkɒn.stɪˈtjuː.ʃən

constitution

憲法
Meaning
A body of fundamental principles or established precedents according to which a state is governed.
Example
Constitutional reforms ensure equity.
憲法改正は平等を保障します。
A2 noun /klɔːθ/

Cloth

Meaning
woven or felted fabric made from wool, cotton, or a similar fiber
Example
The tailor cut the cloth into precise pieces.
仕立て屋は布を正確な部分に切りました。
C1 noun /ˈkɔːl.drən/

Cauldron

大釜
Meaning
a large metal pot with a lid and handle, used for cooking over a fire
Example
The witch stirred her potion in a large cauldron.
魔女は大きな鍋で薬をかき混ぜていた。
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。
B2 adjective /ˈtʃuː.zi/

Choosey/Choosy

気難しい; 非常に選択的; 好きなことや受け入れることに関して特に気を使う
Meaning
very careful in choosing; selective; particular about what one likes or accepts
Example
He's very choosy about the restaurants where he eats.
彼は食べるレストランにとても気難しい。
C1 noun /ˈkrɒkəri/

crockery

食器
Meaning
Dishes, plates, cups, and other items made of earthenware or china.
Example
The hotel provided clean crockery for the guests.
ホテルはゲストに清潔な食器を提供しました。
B2 noun /kəmˈplɛksɪti/

complexity

複雑さ
Meaning
The state of being complex; intricacy.
Example
The complexity of the problem required a team of experts.
問題の複雑さは専門家のチームを必要とした。
A2 noun tʃɔɪs

choice

選択
Meaning
An act of selecting or making a decision when faced with two or more possibilities.
Example
Choice enhances decision-making.
選択は意思決定を強化します。
C2 noun /kəˈmɛstɪbəl/

comestible

食べられる
Meaning
An item of food that can be eaten.
Example
The picnic basket was full of delicious comestibles.
ピクニックバスケットにはおいしい食べられる食べ物が詰まっていた。
B1 noun /ˈkɒliːɡ/

colleague

同僚
Meaning
a person with whom one works, especially in a profession or business
Example
She invited her colleagues to the office party.
彼女はオフィスパーティーに同僚を招待しました。
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。
B2 noun/verb /krɪˈtiːk/

critique

批評
Meaning
A detailed analysis and assessment of something, especially a literary, philosophical, or political theory; to evaluate critically.
Example
The professor asked the students to critique each other's essays.
教授は学生にお互いのエッセイを批評するように頼みました。
C2 verb /koʊˈæɡjəˌleɪt/

coagulate

凝固
Meaning
to cause a liquid, especially blood, to change into a solid or semi-solid state
Example
The blood quickly coagulated after the cut.
切り傷の後、血液はすぐに凝固しました。
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。
C2 adjective /kənˌtɛmpəˈreɪniəs/

contemporaneous

同時代の
Meaning
existing, happening, or occurring at the same time
Example
The two artists were contemporaneous and often influenced each other.
二人のアーティストは同時代のもので、しばしば互いに影響を与えました。
C2 noun /ˈkɒntrəriz/

contraries

対立する物事
Meaning
things that are completely different or opposite to each other
Example
Freedom and slavery are contraries in every sense.
自由と奴隷制度はすべての点で対立しています。
A2 noun /kæʃ/

cash

現金
Meaning
money in the form of bills or coins, not checks or credit
Example
She paid the bill in cash.
彼女は現金で支払いをしました。
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。
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 /kɔːrd/

cord

ひも
Meaning
a long, thin, flexible string or rope
Example
He tied the package with a strong cord.
彼は強いひもで荷物を結びました。
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。
C2 noun /ˈkɒrənɛt/

coronet

小さな王冠
Meaning
a small crown, especially one worn by a prince, princess, or noble
Example
She wore a delicate coronet on her head for the ceremony.
彼女は式典のために頭に繊細な小さな王冠をかぶっていました。
C2 noun /kəmˈpleɪsəns/

complacence

Meaning
a feeling of quiet pleasure or self-satisfaction, often without awareness of potential danger
Example
His complacence prevented him from noticing the risks.
A2 noun /koʊtʃ/

coach

コーチ
Meaning
A person who helps improve others' skills or knowledge.
Example
The football coach motivated his team before the match.
サッカーのコーチは試合前にチームを励ました。
A1 verb, noun /kraɪ/

cry

Meaning
To shed tears as an expression of emotion such as sadness or pain; also a loud call or shout.
Example
The baby began to cry when she was hungry.
C1 noun /kənˈtɛnʃən/

contention

争い, 意見の相違
Meaning
heated disagreement or argument; a point asserted in debate
Example
The main contention between the two parties was over tax reform.
二つの党派間での主要な争いは税制改革に関するものでした。