opera
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A2 noun /ˈɒpərə/

opera

オペラ
Meaning
a dramatic performance in which the actors sing most of their lines
Example
We watched a beautiful opera at the theater last night.
昨晩、劇場で美しいオペラを観ました。
A2 adjective /ˈdɜː.ti/

Dirty

汚い; よごれた; 不快な; 道徳的に堕落した
Meaning
not clean; covered with dirt; unpleasant; morally corrupt
Example
The kitchen was dirty after cooking.
料理後、台所は汚かった。
B1 noun ˈplænɪŋ

planning

計画
Meaning
The process of making plans for something; the control of urban development by a local government authority.
Example
Effective planning ensures better waste management.
効果的な計画は、より良い廃棄物管理を保証します。
C1 adjective ʌnˈpær.ə.leld

Unparalleled

比類のない
Meaning
Having no equal; unmatched, peerless, and supreme in quality or achievement.
Example
The unparalleled beauty of the Taj Mahal amazes visitors.
タージ・マハルの比類のない美しさが訪問者を驚かせます。
A2 adjective /ˈfraɪtənd/

frightened

怯えた
Meaning
feeling fear or anxiety; scared
Example
The child was frightened by the loud noise.
その子供は大きな音に怯えた。
B2 noun ɡrɪd

grid

電力網
Meaning
A network of interconnected lines or a system for distributing electricity over a wide area.
Example
The national power grid must be upgraded.
国家電力網はアップグレードする必要があります。
B2 noun /ˈkɒləni/

colony

植民地
Meaning
a territory or community controlled by another country or group of people
Example
India was once a British colony.
インディアはかつてイギリスの植民地でした。
C2 adjective /sɛnˈsɔːriəs/

censorious

過度に批判的な
Meaning
severely critical of others
Example
She was always censorious about her colleagues' mistakes.
彼女は同僚のミスに対して常に批判的でした。
C1 noun, verb /ˈskʌf.əl/

scuffle

乱闘
Meaning
a short, confused fight or struggle; to engage in such a fight
Example
Two players scuffled on the field after the foul.
ファウルの後、二人の選手がフィールドで殴り合った。
B2 verb /ɪnˈheɪl/

inhale

吸う
Meaning
to breathe in; to draw air into the lungs
Example
Take a deep breath and inhale slowly.
深く息を吸い、ゆっくり吸い込みます。
B2 noun /fʌs/

Fuss

騒ぎ; 無駄な心配
Meaning
unnecessary worry or bother about something; agitated excitement over a trivial matter
Example
She made such a fuss about the small stain on her dress that everyone noticed.
彼女はドレスの小さなシミについてそんなに騒いだので、みんなが気づきました。
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。
C2 noun /naɪt kwiːn/

Night queen

月下香
Meaning
a fragrant white flower that blooms at night and releases strong sweet scent
Example
The night queen flowers filled the garden with their sweet fragrance.
月下香の花が甘い香りで庭を満たしました。
B2 noun /frɒk/

Frock

ワンピース
Meaning
a dress, especially a simple or casual one for women or children
Example
The little girl wore a pink frock to her birthday party.
小さな女の子は誕生日パーティーにピンクのワンピースを着て行きました。
C1 noun /ˈruːdɪmənt/

rudiment

基本
Meaning
A basic principle, element, or fundamental part of something.
Example
He learned the rudiments of music before joining the band.
彼はバンドに参加する前に音楽の基礎を学びました。
C1 adjective /tænˈdʒɛnʃəl/

tangential

接線の
Meaning
relating to or along a tangent; slightly or indirectly related to something
Example
His remarks were tangential to the main topic of discussion.
彼のコメントは議論の主要なトピックには関連していなかった。
A2 noun /weɪt/

weight

重さ
Meaning
a measure of how heavy something is
Example
The weight of the package was 10 kilograms.
パッケージの重さは10キログラムでした。
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.
C1 noun /fəˈsɑːd/

facade

ファサード
Meaning
The front of a building; a false or superficial appearance
Example
The building's glass facade reflected the sunset.
建物のガラスのファサードは日没を反映していた。
C1 adjective /ɪnˈhɛrənt/

inherent

固有の
Meaning
Existing in something as a natural, permanent, or essential quality.
Example
There are inherent risks in extreme sports.
エクストリームスポーツには固有のリスクが存在する。
B1 noun /ɡuːs/

Goose

ガン
Meaning
large waterbird with a long neck and webbed feet
Example
The goose swam gracefully across the pond.
そのガンは池を優雅に泳いでいた。
C2 noun /ˌkiː.təʊˈdʒen.ɪ.sɪs/

ketogenesis

ケトン生成過程
Meaning
The metabolic process by which the liver produces ketones from fatty acids, providing an alternative energy source during low carbohydrate availability.
Example
Ketogenesis occurs during fasting or low-carb diets.
ケトジェネシスは断食や低炭水化物ダイエット中に発生します。
C2 noun /ˈɡæli/

galley

船の厨房
Meaning
A low, flat ship used in ancient times, often with sails and oars; also, a kitchen on a ship or aircraft.
Example
The galley was filled with the smell of freshly cooked food.
船の厨房は新鮮に調理された食べ物の匂いで満ちていた。
B1 adjective /əˈfɔːdəbl/

affordable

手頃な
Meaning
inexpensive and within one's financial means
Example
This restaurant offers affordable meals for families.
このレストランは家族向けに手頃な価格の食事を提供しています。
C1 verb /siːð/

seethe

怒りで煮えたぎる
Meaning
To be filled with intense but unexpressed anger or agitation.
Example
She was seething with anger after the unfair decision.
彼女は不公平な決定の後、怒りで煮えたぎっていました。
C2 adjective /ˌɪnfəˈlɪsɪtəs/

infelicitous

不適切な
Meaning
not suitable or well chosen; awkward or unfortunate
Example
His infelicitous remark ruined the atmosphere of the meeting.
彼の不適切な発言は会議の雰囲気を台無しにしました。
C1 verb /ˌoʊvərˈrʌn/

overrun

侵略する
Meaning
to spread over or occupy completely; to exceed a limit or time
Example
The garden was overrun with weeds.
庭は雑草に覆われていた。
C2 adjective /ˈʌndjʊləs/

undulous

波打つ
Meaning
Having a wavy surface or form.
Example
The artist painted the undulous sea at sunset.
アーティストは夕日に照らされた波打つ海を描きました。
C2 verb /ˈɛkspieɪt/

expiate

Meaning
to make amends for guilt or wrongdoing
Example
He tried to expiate his crime by helping the poor.
B2 adjective /ˈtɪm.ɪd/

Timid

内気; 恥ずかしがり屋
Meaning
shy and lacking confidence; easily frightened
Example
She was too timid to speak in public.
彼女は人前で話すのがあまりにも内気だった。
B1 adjective /ɪkˈspɛktɪd/

expected

予期された
Meaning
Regarded as likely to happen; anticipated or predicted.
Example
The unemployment rate is expected to decline further.
失業率はさらに低下すると予想されています。
A1 verb /fərˈɡet/

forget

忘れる
Meaning
to be unable to remember something; to fail to bring something to mind
Example
Don't forget to lock the door when you leave.
出かけるときはドアを閉め忘れないでください。
A2 noun /kənˈtrəʊl/

control

コントロール
Meaning
The power to influence or direct people's behavior or the course of events.
Example
Proper control measures are necessary.
適切なコントロール手段が必要です。
C2 noun /ˈdæstərd/

dastard

卑怯者
Meaning
a cowardly or dishonorable person
Example
Only a dastard would betray his closest friend.
裏切るのは卑怯者だけだ。
C1 noun /əˈsɛsər/

assessor

評価者
Meaning
a person who evaluates or estimates the nature, ability, or quality of something
Example
An external assessor reviewed the project report.
外部の評価者がプロジェクトの報告書を確認しました。
A1 noun /snoʊ/

Snow

幸せ
Meaning
white frozen water that falls from clouds as soft flakes
Example
The children played happily in the fresh snow.
子供たちは新鮮な雪の中で楽しそうに遊んでいました。
A2 adjective /faɪn/

Fine

良い; 素晴らしい; 薄い; 繊細な; 高品質な
Meaning
good; excellent; thin; delicate; high quality
Example
The weather is fine today.
今日は天気が良いです。
B2 noun /ˈlɒbi/

lobby

ロビー
Meaning
a large open area near the entrance of a building; also a group trying to influence decisions.
Example
We met the manager in the hotel lobby before the meeting.
会議の前にホテルのロビーでマネージャーに会いました。
C1 adjective /ˈsiː.naɪl/

senile

老化による弱さ
Meaning
Showing the weaknesses of old age, especially mental decline.
Example
The old man became senile and forgot familiar faces.
老人はセンイルになり、親しい顔を忘れてしまった。
C2 noun ˈvɜː.mɪ.kʌl.tʃər

vermiculture

バーミカルチャー
Meaning
The cultivation of earthworms, especially for use in composting organic waste.
Example
Vermiculture enriches soil with natural nutrients.
バーミカルチャーは土壌に自然な栄養素を提供します。
B2 noun /rɪˈmeɪn.dər/

Remainder

残り; 余り
Meaning
the part that is left over; what remains after the other parts have been taken away
Example
The remainder of the food was stored in the refrigerator.
残りの食べ物は冷蔵庫に保存されました。
B2 noun /ˌrɪəlɪˈzeɪʃən/

realization

実現
Meaning
the act of becoming fully aware of something as a fact
Example
Her realization of the problem helped solve the issue.
彼女の問題の認識が問題解決に役立った。
C1 noun /ˌdʒuː.bɪˈleɪ.ʃən/

jubilation

歓喜
Meaning
a feeling or expression of great happiness and triumph
Example
There was jubilation in the streets after the victory.
勝利後、街中は歓喜に包まれていました。
B2 noun ədˈvɑːns.mənt

advancement

進歩
Meaning
The process of promoting or moving forward; development or improvement in a particular area.
Example
Technological advancement shapes the future.
技術的進歩は未来を形作る。
A2 noun /rɪˈleɪ.ʃən.ʃɪp/

Relationship

関係
Meaning
the way two people or groups feel and behave towards each other; a connection between two things
Example
They have a very close relationship.
彼らは非常に親密な関係を持っています。
C1 noun /ˌmɪsdɪˈmiːnər/

misdemeanor

軽犯罪
Meaning
A minor wrongdoing or criminal offense that is less serious than a felony.
Example
He was fined for a misdemeanor involving public disturbance.
公共の秩序に関わる軽犯罪で罰金を科された。
C2 noun /ˈɪmɪˌteɪtər/

imitator

模倣者
Meaning
a person who copies the behavior, style, or actions of others
Example
He became famous as an imitator of popular singers.
彼は人気のある歌手の模倣者として有名になった。
C1 adjective /ˈeɪ.mi.ə.bəl/

Amiable

親しみやすくて快適; 良い性格の; 親切
Meaning
friendly and pleasant; good-natured; kind
Example
My neighbor is very amiable and always greets everyone warmly.
私の隣人はとても親しみやすく、いつも暖かく挨拶をします。
A1 verb /neɪm/

name

名付ける
Meaning
to give a title or designation to someone or something
Example
They decided to name their baby Sarah.
彼らは赤ちゃんにサラという名前を付けることに決めました。
C1 adjective /pəˈnʌltɪmət/

penultimate

最後から二番目
Meaning
second to the last in a sequence or series
Example
She finished the penultimate chapter before going to sleep.
彼女は寝る前に最後から二番目の章を終えた。
C1 verb /ˌriːɪnˈsteɪt/

reinstate

再雇用する
Meaning
To restore someone or something to their former position or condition.
Example
The company decided to reinstate the suspended employee.
その会社は停止された従業員を再雇用することを決定した。
B2 verb /ɪnˈkɔːrpəreɪt/

incorporate

組み込む
Meaning
to include something as part of a whole; to form a corporation
Example
The new design incorporates advanced technology.
新しいデザインは先進技術を組み込みます。
B2 verb ম্যানিফেস্ট

manifest

現れる
Meaning
To show or demonstrate clearly; to become evident or apparent.
Example
Symptoms of De Quervain's Syndrome may manifest after prolonged phone use.
デ・クエルヴァイン症候群の症状は、長時間の携帯電話使用後に現れることがあります。
C1 noun /ˈkɒn.vɔɪ/

convoy

コンボイ
Meaning
a group of vehicles or ships traveling together, often for protection
Example
The military convoy moved through the desert at dawn.
軍のコンボイは夜明けに砂漠を横断しました。
B2 noun ˈneɪʧər ɪnˈθjuːziæsts

Nature Enthusiasts

自然愛好家
Meaning
People who have a passionate interest in and love for the natural world and outdoor activities.
Example
Nature enthusiasts often visit Sajek Valley for its scenic beauty.
自然愛好家は、その美しい景色のためにサジェックバレーを訪れることがよくあります。
C1 adjective ˈek.wɪ.tə.bəl

equitable

公平な
Meaning
Fair and impartial
Example
Equitable AI ensures fairness in technology use.
公平なAIはテクノロジーの使用において公平を保証します。
C2 noun /pəˈlæv.ər/

palaver

無駄な議論 / 騒動
Meaning
prolonged and idle discussion; fuss or unnecessary talk
Example
After much palaver, they finally agreed on the plan.
長時間無駄な議論の後、彼らは最終的に計画に同意しました。
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.
B2 verb, noun /dɒn/

don

着る / リーダー
Meaning
to put on (an article of clothing); also used as a title for a respected person
Example
She donned her coat before leaving.
彼女は出かける前にコートを着た。
C1 noun /ˈplæn.teɪn ˈflaʊ.ər/

Plantain flower

プランテンの花
Meaning
The flower bud of a banana plant, used as a vegetable in cooking
Example
We cooked plantain flower curry for dinner.
私たちは夕食にプランテンの花のカレーを作りました。
A2 noun /ˈmiːdiə/

Media

メディア
Meaning
The main means of mass communication regarded collectively
Example
The news was widely reported in all forms of media.
ニュースはすべてのメディアで広く報道されました。
C2 noun /ˌlɪk.wəˈfeɪ.ʃənt/

liquefacient

液体化剤
Meaning
a substance that causes something to become liquid
Example
The chemist explained how the liquefacient worked in the experiment.
化学者は、実験で液体化剤がどのように機能するかを説明しました。
C1 verb /priːˈɛmpt/

preempt

予防する
Meaning
To take action in order to prevent something from happening; to take the place of something.
Example
The government acted quickly to preempt a financial crisis.
政府は迅速に行動し、金融危機を防ぎました。
A2 noun /ˈrʌnɪŋ/

running

ランニング
Meaning
the action or sport of running
Example
Running every morning keeps me healthy.
毎朝ランニングをすると健康が保たれます。
B1 adjective /rɪˈleɪ.tɪd/

Related

関連; 結びついている
Meaning
connected; associated; having a connection or relationship
Example
These two problems are closely related to each other.
これらの二つの問題はお互いに密接に関連しています。
C2 adjective /spɪk/

Spick

非常にきれいで整頓された; 完璧
Meaning
extremely clean and neat; immaculate
Example
The house was spick and span after the cleaning.
掃除後、家はまるで新品のようにきれいで整然としていました。
B2 noun /stjuːˈpɪdəti/

stupidity

愚かさ
Meaning
lack of intelligence or common sense
Example
His stupidity caused a lot of problems for the team.
彼の愚かさはチームに多くの問題を引き起こした。
C1 noun ˈdɪskɔrd

discord

不和
Meaning
Disagreement or conflict between people or ideas.
Example
Discord among people disrupts societal stability.
人々の間の不和は社会の安定を乱す。
B2 adjective /ˌʌnprɪˈdɪktəbəl/

unpredictable

予測できない
Meaning
not able to be predicted; changing suddenly and unexpectedly
Example
The weather in this region is highly unpredictable.
この地域の天気はとても予測できない。
C2 verb /ˌmɪskənˈsiːv/

misconceive

誤解する
Meaning
To misunderstand or form an incorrect idea about something.
Example
He misconceived the purpose of the project.
彼はプロジェクトの目的を誤解しました。
C1 verb /dɪˈspɛl/

dispel

解消する
Meaning
to make a doubt, feeling, or belief disappear
Example
The teacher's explanation dispelled the students' confusion.
先生の説明は学生たちの混乱を解消しました。
C2 noun /riːm/

ream

リーム
Meaning
A large quantity of paper (typically 500 sheets); informally, a large amount of something.
Example
The office ordered ten reams of paper.
オフィスは10リームの紙を注文した。
B2 noun /ˈdʒiː.ni.əs/

Genius

天才
Meaning
exceptional intellectual or creative power or other natural ability; a person who has such ability
Example
Einstein was recognized as a genius for his groundbreaking contributions to physics.
アインシュタインは物理学への画期的な貢献により天才と認められました。
C1 noun /əˌlɪtəˈreɪʃən/

alliteration

頭韻
Meaning
the occurrence of the same consonant sound at the beginning of words in close succession
Example
She used alliteration in her poem to add musicality.
彼女は詩の中で音楽性を加えるためにアリテレーションを使用しました。
B1 verb /ˈhɛdɪŋ/

heading

進行方向
Meaning
Moving in a particular direction.
Example
The ship is heading toward Antarctica.
船は南極に向かって進んでいる。
C2 noun /θroʊz/

throes

激痛
Meaning
intense or violent pain and struggle, often at the beginning or end of something
Example
The country was in the throes of a political crisis.
その国は政治的危機の激痛の中にあった。
A1 noun /ˈbɒdi/

body

体
Meaning
the physical structure of a person or animal
Example
Exercise helps keep the body healthy.
運動は体を健康に保つのに役立ちます。
C1 adjective /təˈrɛstriəl/

terrestrial

陸生
Meaning
Relating to the Earth or land as opposed to the sea or air; living or growing on land.
Example
Humans are terrestrial beings who live on land.
人間は陸上で生きる陸生の生物です。
A2 noun /ˈdjuː.ti/

Duty

義務
Meaning
something that one is expected or required to do; moral or legal obligation
Example
It is our duty as citizens to vote in elections.
市民として選挙で投票することは私たちの義務です。
B2 adjective /ɪmˈplɪsɪt/

implicit

暗黙の
Meaning
Suggested or understood without being directly stated.
Example
Her trust in him was implicit.
彼女の彼に対する信頼は暗黙のものでした。
B1 noun /ˈpælɪs/

palace

宮殿
Meaning
a large and impressive building that is the official home of a king, queen, or other ruler
Example
The royal family lives in a magnificent palace.
王室は素晴らしい宮殿に住んでいます。
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。
B2 verb /ˈflʌrɪʃ/

flourish

Meaning
To grow or develop in a healthy or successful way.
Example
Her business began to flourish after she introduced online sales.
A1 adjective /ˈbɪɡɪst/

biggest

最も大きい
Meaning
largest in size, amount, degree, or importance; superlative form of big
Example
This is the biggest challenge we have ever faced.
これは私たちが直面した中で最も大きな挑戦です。
C2 adjective /ˈsɪbɪlənt/

sibilant

シーシー音がする
Meaning
Making or characterized by a hissing sound.
Example
The word 'snake' starts with a sibilant sound.
'snake' という単語はシビラント音で始まります。
C1 noun /aɪˈdiː.ə.lɪ.zəm/

Idealism

理想主義
Meaning
the pursuit of high principles and noble goals; unrealistic pursuit of perfection
Example
His youthful idealism motivated him to join various social justice movements.
彼の若い理想主義は、彼を様々な社会正義運動に参加させる原動力となった。
C2 noun /ˌmɛtəfɪˈzɪʃən/

metaphysician

形而上学者
Meaning
A person who studies or is an expert in metaphysics.
Example
The metaphysician debated the essence of reality with his peers.
形而上学者は現実の本質について仲間たちと議論した。
C1 noun /ˈbɑːr.tər ˌsɪs.təm/

barter system

物々交換システム
Meaning
A system of exchange where goods and services are traded directly without using money.
Example
Ancient civilizations used the barter system for trade.
古代の文明は貿易のために物々交換システムを使用していました。
B2 verb /rɪˈzɛmbəl/

resemble

似ている
Meaning
to look like or be similar to something or someone
Example
She resembles her mother in both appearance and mannerisms.
彼女は見た目と仕草の両方で母親に似ています。
C2 noun /ˌmɪstɪfɪˈkeɪʃən/

mystification

困惑, 神秘化
Meaning
the act of making something unclear or confusing; a state of being puzzled or bewildered
Example
The audience watched in mystification as the magician performed his tricks.
観客はマジシャンが手品を披露する間、困惑して見ていた。
C1 noun /ˈstjuːpər/

stupor

昏迷
Meaning
a state of near-unconsciousness or insensibility
Example
He remained in a stupor after hearing the shocking news.
彼は衝撃的なニュースを聞いた後、昏迷状態に陥った。
A2 adjective /mɪˈstɪə.ri.əs/

mysterious

神秘的な、謎めいた
Meaning
Difficult or impossible to understand, explain, or identify.
Example
The deep sea remains one of the most mysterious places on Earth.
深海は地球上で最も神秘的な場所の一つとされています。
B2 adjective /ˈærəɡənt/

Arrogant

傲慢; 高慢
Meaning
having an exaggerated sense of one's importance; proud
Example
His arrogant behavior made him very unpopular.
彼の傲慢な態度は彼を非常に不人気にした。
A2 noun dɪˈvaɪs

device

デバイス, 装置, 機器
Meaning
A thing made or adapted for a particular purpose, especially a piece of mechanical or electronic equipment.
Example
This device improves efficiency in data processing.
このデバイスはデータ処理の効率を改善します。
A2 noun /wɪnd/

Wind

風
Meaning
the natural movement of air, especially in the form of a current of air blowing from a particular direction
Example
The wind blew the leaves off the trees.
風が木の葉を吹き飛ばした。
B2 verb /ˈlaɪɪŋ/

lying

嘘をつく
Meaning
the act of not telling the truth
Example
He was caught lying about his grades.
彼は成績について嘘をついているところを捕まえられました。
B1 verb /ɪnˈvɛs.tɪ.ɡeɪt/

investigate

調査する
Meaning
to carry out a systematic inquiry to discover facts or information
Example
The police will investigate the incident thoroughly.
警察は事件を徹底的に調査するでしょう。
A2 verb /dɪˈzaɪn/

design

Meaning
to plan and create something with a particular purpose or look
Example
She will design the new company logo.
C1 verb/noun /skaʊl/

scowl

しかめっ面をする
Meaning
To frown in an angry or bad-tempered way.
Example
She scowled when she heard the unfair remark.
彼女は不公平なコメントを聞いてしかめっ面をした。
C2 noun /dɪˌlæpɪˈdeɪʃən/

dilapidation

荒廃
Meaning
The state of disrepair or ruin as a result of neglect.
Example
The old temple was in a state of dilapidation.
その古い寺院は廃墟の状態にありました。
C2 noun /rɪˈpruːf/

reproof

叱責, 非難
Meaning
An expression of blame or disapproval.
Example
His careless words drew a sharp reproof from his mother.
彼の不注意な言葉は、母親からの厳しい叱責を引き起こした。
B2 adjective /ˈteɪst.fəl/

Tasteful

味わい深い; エレガント; 良いセンスのある
Meaning
showing good judgment in matters of style and beauty
Example
She decorated her home in a very tasteful manner.
彼女は非常にセンスの良い方法で家を飾りました。
A2 noun /ɡɑːd/

god

神
Meaning
a deity; a supreme being believed to control the universe
Example
People in different cultures worship God in various ways.
さまざまな文化の人々はさまざまな方法で神を崇拝します。
B1 verb /prəˈnaʊns/

pronounce

発音する
Meaning
to say words correctly; to declare officially
Example
She can pronounce French words perfectly.
彼女はフランス語の単語を完璧に発音できます。
C1 adjective /ʌnˈkɛmpt/

unkempt

だらしない
Meaning
Having an untidy or disheveled appearance.
Example
He looked unkempt after sleeping outdoors all night.
彼は一晩外で寝た後、だらしなく見えた。
A2 noun /ˈkæptɪn/

Captain

キャプテン
Meaning
a military officer of middle rank; the person in command of a ship or aircraft
Example
The captain ordered his troops to advance forward.
キャプテンは部隊に前進するよう命じました。
C2 verb /bɪˈleɪbə/

belabour

くどく説明する
Meaning
to explain something repeatedly or with excessive detail; to criticize or attack verbally at length
Example
The teacher did not belabour the point once the students understood it.
学生が理解した後、教師はその点をくどく説明しなかった。
C2 noun /ˈnoʊmənˌkleɪtʃər/

nomenclature

命名法
Meaning
A system of names or terms used in a particular science, art, or field.
Example
The chemical nomenclature can be difficult for beginners to understand.
化学的命名法は初心者には理解するのが難しい場合があります。
C2 adjective /ˈkɒnfluənt/

confluent

合流
Meaning
Flowing together or merging; coming together at one point.
Example
The confluent streams formed a mighty river.
合流する小川が力強い川を作った。
C1 adjective /ˈræmpənt/

rampant

蔓延する
Meaning
existing or spreading unchecked, often in an undesirable way
Example
Corruption was rampant in the city administration.
腐敗は市の行政で蔓延していた。
C2 noun /læŋ'ɡʊər/

Langoor

オナガザル
Meaning
a long-tailed monkey found in Asia, especially India and Southeast Asia
Example
The langoor was sitting on the tree branch eating fruits.
ラングールは木の枝に座って果物を食べていた。
C1 verb /ˈɛkˌsaɪz/

excise

切除する
Meaning
to cut out or remove completely, often by surgery
Example
The surgeon excised the tumor successfully.
外科医は腫瘍を成功裏に切除しました。
C1 noun /traɪˈbjuːnəl/

tribunal

裁判所
Meaning
a court of justice or body established to settle disputes
Example
The case was heard in an international tribunal.
その事件は国際裁判所で審理されました。
B2 noun /ˌaʊtˈsaɪdə(r)/

outsider

アウトサイダー
Meaning
a person who is not accepted as a member of a particular group or community
Example
As a new student, she often felt like an outsider at school.
新しい学生として、彼女は学校でよくアウトサイダーのように感じていました。
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。
C2 verb /ɪnˈfætʃueɪt/

infatuate

夢中にさせる
Meaning
to inspire with an intense but short-lived passion or admiration
Example
He was infatuated with her beauty.
彼は彼女の美しさに夢中でした。
B2 noun /ˈmæstəri/

Mastery

熟練; 精通;
Meaning
Great skill or expertise in a subject or activity
Example
His mastery of the violin impressed audiences around the world.
彼のヴァイオリンの腕前は世界中の観客を感動させました。
A2 noun /ˈriːdər/

reader

読者
Meaning
a person who reads or who is capable of reading
Example
She is a fast reader, finishing books in a day.
彼女は速読者で、1日で本を読み終えます。
B2 noun /ˈspɔːrtsmən/

sportsman

スポーツ選手
Meaning
A person who is skilled in sports or enjoys participating in athletic activities.
Example
He is a true sportsman, always fair and respectful to his opponents.
彼は本物のスポーツ選手で、常に相手に対して公正で尊敬を示す。
B2 verb /blʌʃ/

blush

顔を赤らめる
Meaning
to become red in the face due to embarrassment or shyness
Example
She blushed when he complimented her.
彼女は彼に褒められた時、顔が赤くなった。
B2 adverb /ʌnˈplɛzəntli/

unpleasantly

不快に
Meaning
in a way that causes discomfort, annoyance, or displeasure; in an unfriendly or disagreeable manner
Example
The room was unpleasantly hot during the afternoon.
午後、その部屋は不快に暑かった。