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C1 noun /ˈiːɡətɪst/

egotist

自己中心的な人
Meaning
A person who is excessively self-centered or talks too much about themselves.
Example
The egotist dominated the conversation by talking only about his own achievements.
その自己中心的な人は自分の成功だけについて話していた。
C2 verb /bɪˈfʌdəl/

befuddle

混乱させる
Meaning
to confuse someone completely; to make someone unable to think clearly
Example
The complex instructions befuddled the students.
複雑な指示が学生たちを混乱させました。
A2 adjective /ɪkˈspɛnsɪv/

expensive

Meaning
costing a lot of money
Example
That car is too expensive for me to buy.
B2 noun /ˈmɑːrdʒɪn/

Margin

余白; 範囲
Meaning
The edge or border of something; an amount allowed beyond what is needed
Example
Please write your notes in the margin of the page.
ページの余白にメモを書いてください。
C2 adjective /dɪˈmoʊniˌæk/

demoniac

悪魔的な
Meaning
possessed, produced, or influenced by a demon; frenzied or violent
Example
The soldiers fought with demoniac fury.
兵士たちは悪魔的な怒りで戦った。
C2 verb /ruː/

rue

後悔する
Meaning
To feel regret or sorrow about something.
Example
She will rue the day she trusted him.
彼女は彼を信じたその日を後悔するだろう。
B2 adjective + noun əˈdæptɪv ˈfiːtʃərz

adaptive features

適応機能
Meaning
Characteristics that help organisms adjust to their environment
Example
Plants' adaptive features help them grow in winter.
植物の適応機能は、冬に成長するのを助けます。
A2 noun /drʌɡ/

drug

薬物
Meaning
a substance used as a medicine or an illegal addictive substance
Example
The doctor prescribed a new drug for the illness.
医者はその病気のために新しい薬を処方しました。
B2 noun /ˈskændəl/

scandal

スキャンダル
Meaning
an event or action that causes public outrage or damage to one's reputation
Example
The politician's affair became a public scandal.
その政治家の不倫は公然のスキャンダルとなった。
C1 noun /ˈstɛə.rɪ.əʊˌtaɪ.pɪŋ/

stereotyping

ステレオタイプ
Meaning
A widely held but fixed and oversimplified image or idea of a particular type of person or thing.
Example
Stereotyping people based on their race is harmful.
人種に基づいたステレオタイプは有害です。
C2 verb /rɪˈsɪnd/

rescind

取り消す
Meaning
to revoke, cancel, or repeal a law, order, or agreement
Example
The company decided to rescind the job offer.
その会社は仕事のオファーを取り消すことを決定しました。
A1 noun /hoʊm/

home

Meaning
the place where one lives, especially with family; a residence
Example
She finally returned home after a long journey.
彼女は長い旅の後、やっと家に帰りました。
C1 noun /ˈæb.stɪ.nəns/

abstinence

禁欲、節制
Meaning
the practice of restraining oneself from indulging in something, typically alcohol or sex
Example
His doctor advised abstinence from alcohol for better health.
彼の医者は健康のためにアルコールを控えるように助言しました。
C2 verb /ˈfrʌktɪˌfaɪ/

fructify

実らせる
Meaning
To make fruitful or productive; to bear fruit.
Example
The new policies will help fructify the economic potential of the region.
新しい政策は地域の経済的な潜在能力を実らせるのに役立ちます。
B1 verb /dɪɡ/

dig

掘る
Meaning
to break up and move earth with a tool or machine, or with hands, paws, etc.
Example
They decided to dig a hole for the new tree.
彼らは新しい木のために穴を掘ることを決めました。
B1 noun fʌnd

fund

基金
Meaning
A sum of money saved or made available for a particular purpose.
Example
The government allocated a fund for disaster relief.
政府は災害救援のために基金を割り当てました。
C2 noun /nɑːrˈsɪsəs/

narcissus

ナルシスの花
Meaning
A type of flowering plant with yellow or white blooms, often associated with self-love from Greek mythology.
Example
A narcissus bloomed in the garden during spring.
春に、庭でナルシスの花が咲きました。
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 /skuːl/

school

学校
Meaning
An institution for educating children; also a group of people sharing the same ideas or discipline.
Example
The children walked to school together.
子供たちは一緒に学校に歩いて行きました。
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。
C1 verb /dɪˈfeɪs/

deface

傷つける
Meaning
to spoil the surface or appearance of something, especially by writing or drawing on it
Example
The vandals defaced the wall with graffiti.
ヴァンダルたちはグラフィティで壁を傷つけました。
B2 noun /rɪˈfreʃ.mənt/

Refreshment

軽食
Meaning
food and drink that is served as a light meal; something that refreshes
Example
We served light refreshments after the meeting.
会議の後、軽食を提供しました。
C2 noun /ˈsɪniæst/

cineast

映画愛好家
Meaning
A film enthusiast or filmmaker; a person deeply interested in cinema.
Example
As a true cineast, she spends most weekends watching classic films.
真のシネアストとして、彼女はほとんどの週末をクラシック映画を観ることに費やします。
C2 noun /ˈɪd.i.ə.si/

Idiocy

愚かさ
Meaning
extremely stupid behavior or actions; foolishness
Example
The decision to ignore safety protocols was pure idiocy that endangered everyone.
安全プロトコルを無視する決定は、すべての人を危険にさらす純粋な愚かさでした。
C2 noun /ˈfaɪnəri/

finery

高級または装飾的な服
Meaning
expensive or elaborate clothes, decorations, or accessories
Example
She attended the party in her finest finery.
彼女は最上の衣装でパーティーに出席した。
B2 verb /ˈtɛstəfaɪ/

testify

証言する
Meaning
to make a statement or declaration under oath or to give evidence
Example
She was called to testify in court about the accident.
彼女は事故について証言するために裁判所に呼ばれました。
B1 noun ˌrek.ə.menˈdeɪ.ʃənz

recommendations

推薦
Meaning
Suggestions or proposals as to the best course of action.
Example
The commission submitted their recommendations.
委員会はその推薦を提出しました。
B1 noun /ɪkˈsep.ʃən/

Exception

例外
Meaning
a person or thing that is excluded from a general statement or does not follow a rule
Example
Most students passed the exam, with the exception of a few who were absent.
ほとんどの学生は試験に合格しましたが、例外的に数人の欠席者がいました。
C2 adjective /ˈlaɪbələs/

libelous

名誉毀損
Meaning
containing or constituting a false published statement that damages a person's reputation
Example
The article was found to be libelous and had to be retracted.
その記事は名誉毀損であると見なされ、撤回する必要があった。
B1 noun /rɪˈkwaɪə(r)mənt/

requirement

要件
Meaning
something that is necessary or demanded
Example
The job has specific educational requirements.
この仕事には特定の教育要件があります。
B2 verb kəˈlæbəreɪt

collaborate

協力する
Meaning
To work jointly with others, especially in an intellectual endeavor; cooperate.
Example
Volunteers often collaborate with local organizations.
ボランティアは地元の組織とよく協力しています。
B1 noun /ˈneɪʃən/

nation

国家
Meaning
a large group of people united by common descent, history, culture, or language
Example
The nation celebrated its independence day with pride.
その国は独立記念日を誇りを持って祝いました。
C1 noun /djuːn/

dune

砂丘
Meaning
A hill or ridge of sand formed by the wind, usually found in deserts or near beaches.
Example
The children played on the sand dune by the beach.
子供たちはビーチの砂丘で遊んでいました。
B2 adjective /ˈstæt.ɪk/

static

静的
Meaning
Lacking in movement, action, or change; stationary.
Example
Static ideas hinder progress.
静的な考えは進展を妨げる。
B2 noun /læp/

Lap

ひざの上
Meaning
the flat area between the waist and knees of a seated person; one circuit of a track or course
Example
The cat curled up comfortably in her lap while she read her book.
猫は本を読みながら快適に彼女のひざの上で丸くなっていた。
C1 noun /ˈɑː.kɪ.taɪp/

archetype

原型、典型
Meaning
A very typical example of a certain person or thing; an original model or prototype.
Example
This painting is the archetype of modern art.
この絵は現代アートの原型です。
C2 noun /ˌkɑːnfɔːrˈmeɪʃən/

conformation

形態
Meaning
The shape, structure, or arrangement of something.
Example
The scientist studied the molecular conformation of the protein.
科学者はタンパク質の分子構造を研究した。
B2 adjective /ˈθɔːr.ni/

Thorny

とげのある; 扱いにくい
Meaning
having thorns; difficult to handle or deal with
Example
The thorny issue of budget cuts needs careful consideration.
予算削減の難しい問題には慎重な検討が必要です。
B2 verb /roʊm/

roam

歩き回る
Meaning
to walk or travel without a specific destination; to wander
Example
Wild animals roam freely in the forest.
野生動物は森の中を自由に歩き回っています。
B1 adjective ˈkrɪtɪkəl

critical

重大な
Meaning
Extremely important; at a point of crisis or urgency.
Example
Addressing critical issues in education is imperative.
教育の重大な問題に対処することは不可欠です。
C1 noun /ˈɛdɪfɪs/

edifice

建物
Meaning
A large, impressive building or structure.
Example
The museum is an impressive edifice in the city center.
その博物館は市内中心部の印象的な建物です。
B1 verb /ɪnˈvɑːlv/

involve

関与する
Meaning
to include as a necessary part, or to engage someone in an activity
Example
The project will involve several departments working together.
このプロジェクトは、いくつかの部署が一緒に働くことを含むでしょう。
B2 noun /rɪˌlaɪəˈbɪləti/

reliability

信頼性
Meaning
the quality of being trustworthy or performing consistently well
Example
Customers value the reliability of our service.
お客様は私たちのサービスの信頼性を重視しています。
A1 verb /ʃoʊ/

show

見せる
Meaning
to display or present something to others; to make visible
Example
Can you show me the way to the station?
駅への行き方を教えてもらえますか?
B2 adjective /ˌfjuːtʃəˈrɪstɪk/

futuristic

未来的な
Meaning
Having or involving very modern technology or design that is advanced beyond what is currently available
Example
Futuristic technologies are transforming industries worldwide.
未来的な技術は、世界中の産業を変革しています。
C1 adjective /ˈmɑːr.dʒɪ.nəl/

Marginal

周辺の; 最小の; わずかな
Meaning
relating to or situated at the edge; minimal; slight
Example
The marginal improvement in sales was barely noticeable.
売上のわずかな改善はほとんど気づかれませんでした。
B1 noun /ˈtʃæptər/

chapter

Meaning
A main division of a book or a period in someone's life.
Example
I just finished the first chapter of the novel.
私は小説の最初の章を終えたばかりです。
B1 verb /dɪˈleɪ/

delay

遅延
Meaning
to make something happen later than planned
Example
The flight was delayed due to bad weather.
悪天候のため、飛行機が遅れました。
A2 noun /ˈlem.ən/

Lemon

レモン
Meaning
a yellow citrus fruit with acidic juice
Example
She squeezed a lemon into her tea.
彼女はお茶にレモンを絞った。
C2 noun /lɒx/ or /lɒk/

lough

Meaning
An Irish or Scottish word for a lake or sea inlet.
Example
The fishermen lived by the lough for generations.
漁師たちは世代を超えて湖の近くに住んでいました。
C2 adjective /məˈnaɪəkəl/

maniacal

狂気の
Meaning
behaving like a maniac; showing excessive enthusiasm or madness
Example
He gave a maniacal laugh during the movie.
彼は映画の間に狂気の笑い声を上げた。
C1 adjective /ˈɪnfəməs/

infamous

悪名高い
Meaning
well known for some bad quality or deed
Example
The dictator was infamous for his cruelty.
その独裁者はその残虐さで悪名高かった。
C1 noun ɪkˌstræp.əˈleɪ.ʃən

extrapolation

外挿
Meaning
The action of estimating or concluding something by assuming that existing trends will continue.
Example
His extrapolation of market trends helped in financial planning.
市場動向の彼の外挿は、財務計画に役立ちました。
C1 adjective /ˈdɪzməl/

Dismal

陰気な; 落ち込んだ; 悲しい
Meaning
gloomy; depressing; causing sadness or despair
Example
The weather was dismal with heavy rain and dark clouds.
天気は雨と暗い雲で陰気でした。
C2 adjective /woʊnt/ or /wɔːnt/

wont

習慣
Meaning
accustomed or used to doing something
Example
She rose early, as she was wont to do.
彼女は早く起きました、彼女がするのが習慣だったように。
C1 noun /ˈpen.əns/

Penance

懺悔; 何か悪いことをしたために受け入れる罰
Meaning
punishment that you accept for doing something wrong; an act of showing that you are sorry for sin
Example
The monk performed penance for his past mistakes.
修道士は過去の過ちに対して懺悔を行いました。
B1 verb /kwoʊt/

quote

引用する
Meaning
to repeat someone else's words; to give a price or estimate
Example
The teacher asked students to quote the famous author in their essays.
教師は学生にその有名な作家をエッセイで引用するように頼みました。
B2 noun /ˈbiː.təl/

Beetle

カブトムシ
Meaning
a hard-bodied insect with wing covers
Example
The black beetle scurried across the garden path.
黒いカブトムシが庭の道を走っていました。
A2 adjective /ˈnætʃərəl/

natural

自然な
Meaning
existing in or derived from nature; not made or caused by humankind
Example
She prefers to use natural ingredients in her cooking.
彼女は料理に自然な食材を使うのが好きです。
C1 noun /ˌoʊvərprəˈdʌkʃən/

overproduction

過剰生産
Meaning
The act of producing more of something than is needed or can be consumed.
Example
The economic crisis was caused by the overproduction of goods.
経済危機は商品の過剰生産によって引き起こされた。
C1 noun /ɪɡˈzɜːr.ʃən/

exertion

身体的または精神的な努力
Meaning
Using energy or effort to achieve something.
Example
Excessive exertion can lead to fatigue and burnout.
過度のエクサーションは疲労と燃え尽き症候群を引き起こす可能性があります。
B2 noun /pledʒ/

Pledge

誓約; 約束; 保証;
Meaning
a solemn promise or undertaking; something given as security for a loan; a commitment or guarantee
Example
He made a pledge to donate money to charity.
彼はチャリティーにお金を寄付する誓約をした。
A1 adjective /ˈjeloʊ/

Yellow

黄色い; 臆病な
Meaning
having the color of the sun or gold; cowardly
Example
The yellow flowers bloomed in spring.
黄色い花が春に咲きました。
B1 noun /ɪnˈkʌrɪdʒmənt/

encouragement

励まし
Meaning
the action of giving someone support, confidence, or hope
Example
Her encouragement helped me finish the project.
彼女の励ましが私をプロジェクト完了に導きました。
C1 noun /rɪˈpɔːrtɪʒ/

reportage

報道
Meaning
the act of reporting news or describing events in the media
Example
The magazine is known for its detailed reportage of political issues.
その雑誌は政治問題に関する詳細な報道で知られています。
B2 noun /ɪnˈdɔːrs.mənt/

endorsement

支持
Meaning
A public or official statement of support or approval.
Example
The celebrity's endorsement increased the product's sales.
セレブの後援により製品の販売が増加しました。
C2 adjective /ˈven.tʃər.əs/

Venturous

冒険的な; 大胆な
Meaning
willing to take risks; adventurous; bold
Example
The venturous explorer climbed the dangerous mountain.
冒険的な探検家は危険な山を登った。
B1 noun /ˈlɪt.ər.ə.ʧər/

Literature

文学
Meaning
written works, especially those considered of superior or lasting artistic merit; books and writings published on a particular subject
Example
She studied English literature at university.
彼女は大学で英文学を学びました。
C2 verb /ɪkˈspʌndʒ/

expunge

削除
Meaning
To erase or remove completely, often something unwanted.
Example
He managed to expunge the embarrassing memory from his mind.
彼は恥ずかしい記憶を心から消し去ることに成功しました。
B1 noun /beɪkt miːt/

Baked meat

焼き肉
Meaning
meat that has been cooked in an oven using dry heat
Example
The baked meat was tender and flavorful.
焼き肉は柔らかくて美味しい。
B2 adjective /ɪnˈfɪə.ri.ər/

inferior

劣等
Meaning
Of lower quality, rank, or status.
Example
This material is inferior to the one we used before.
この素材は以前使ったものより劣っています。
A2 noun /tuːθ/

Tooth

Meaning
a hard white structure in the mouth used for biting and chewing food
Example
She brushes her teeth twice a day.
彼女は一日に二回歯を磨きます。
B2 verb ˈfaɪ.nəl.aɪz

finalize

最終決定する
Meaning
To complete arrangements for something; put into final form.
Example
The treaty was finalized after the discussions.
協定は討論後に最終決定されました。
A2 adjective /ˈɡoʊldən/

Golden

金色
Meaning
having the color of gold; bright yellow
Example
The golden sunset painted the sky beautifully.
金色の夕日が空を美しく塗った。
C1 noun ˈeʃ.ə.lɒn

echelon

階層、ランク、段階
Meaning
A level or rank in an organization, a profession, or society.
Example
He climbed to the upper echelon of the corporate world.
彼は企業の世界の上級レベルに登りつめました。
C1 verb /ɪˈnɔːɡjʊreɪt/

inaugurate

Meaning
To formally begin or introduce something, especially with a ceremony.
Example
The mayor will inaugurate the new bridge tomorrow.
C2 adverb /ˈbruːskli/ or /ˈbrʌskli/

brusquely

無愛想に
Meaning
in a blunt, abrupt, or rude manner
Example
She brusquely dismissed the suggestion.
彼女は無愛想に提案を拒否しました。
C1 noun ɪnˈdʌldʒəns

indulgence

嗜好
Meaning
The practice of allowing oneself to enjoy the pleasure of something.
Example
His indulgence in junk food affected his health.
彼のジャンクフードへの過度の嗜好は健康を害した。
B2 noun /er/

Heir

相続人
Meaning
a person legally entitled to the property or rank of another on that person's death
Example
The young prince was the rightful heir to the throne and would become king someday.
若い王子は王位の正当な相続人であり、いつか王になるでしょう。
C2 noun /ˈwɒrən/

warren

ウサギの巣穴のネットワーク
Meaning
A network of interconnected rabbit burrows; also used metaphorically for a densely populated building or district.
Example
The old part of the city is a warren of narrow streets.
街の古い部分は、狭い通りが入り組んだ迷路のようです。
A2 noun /ɡɑːd/

god

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。
B2 noun /ˈdiː.lɪŋ/

Dealing

取引; 処理; 扱い
Meaning
business transactions; the way of treating people or handling situations
Example
His fair dealing with customers earned him an excellent reputation.
顧客との公正な取引が彼に素晴らしい評判をもたらしました。
B2 verb /sɑːb/

sob

大声で泣く
Meaning
to cry noisily while taking short breaths
Example
She began to sob uncontrollably after hearing the news.
彼女はニュースを聞いて制御できずに泣き始めました。
C1 adjective /ɪnˈɡroʊst/

engrossed

夢中
Meaning
completely absorbed or deeply involved in something
Example
She was so engrossed in the book that she forgot the time.
彼女は本に夢中になりすぎて、時間を忘れた。
B2 adjective /ˈʃɔːrt ˌtempərd/

Short-tempered

短気な; すぐに怒る
Meaning
quick to lose one's temper; easily angered
Example
She became short-tempered when the traffic made her late for the meeting.
交通のせいで遅れてしまったとき、彼女は短気になった。
C1 adjective /bɪˈrɛft/

bereft

失われた
Meaning
Deprived of or lacking something, especially a nonmaterial asset.
Example
After the betrayal, he felt bereft of hope and trust.
裏切りの後、彼は希望と信頼を失ったと感じた。
C1 adjective ɪˌlektrəʊmæɡˈnetɪk

electromagnetic

電磁的
Meaning
Relating to both electricity and magnetism or their interaction.
Example
Electromagnetic forces repel protons.
電磁力は陽子を反発させる。
C1 noun /pɔl/

Pall

棺の上に広げる布; 陰鬱な雰囲気を作り出す暗いカバー
Meaning
a cloth spread over a coffin; a dark covering that creates a gloomy atmosphere
Example
A pall of smoke hung over the burning building.
煙のヴェールが燃える建物の上に掛かっていた。
C1 adjective ʌnˈskruːpjʊləs

unscrupulous

不道徳な
Meaning
Having or showing no moral principles; not honest or fair.
Example
Unscrupulous peers can lead adolescents to delinquency.
不道徳な仲間は、若者を犯罪に導くことがあります。
A2 noun /kæp/

Cap

キャップ
Meaning
a head covering with a visor; a protective covering
Example
He wore a baseball cap to protect himself from the sun.
彼は日差しを避けるために野球帽をかぶっていました。
C1 adjective /ɪnˈtɜːrmənəbl/

interminable

終わりのない
Meaning
Seemingly endless; having no apparent end.
Example
The meeting felt interminable and exhausting.
会議は終わりのない疲れるもののように感じた。
B1 verb ɪkˈspændɪŋ

expanding

拡張する
Meaning
Becoming larger or more extensive; increasing in size, number, or importance.
Example
Expanding education opportunities helps reduce inequality.
教育の機会を拡大することは、不平等を減少させるのに役立ちます。
A2 adverb /ˈnɪərli/

Nearly

ほとんど; ほぼ;
Meaning
almost; not quite; very close to
Example
I nearly missed the bus this morning.
今朝、バスをほとんど逃しそうになった。
C2 adjective /ˈreɪ.moʊs/

ramose

分岐した
Meaning
having many branches.
Example
The ramose tree shaded the entire garden.
その分岐した木は庭全体に日陰を提供しました。
B2 noun /ˈlæn.tərn/

Lantern

ランタン
Meaning
a portable lamp with a protective covering, often used outdoors
Example
We carried a lantern during our camping trip.
私たちはキャンプの旅行中にランタンを持っていました。
A2 adjective /ˈɑːnɪst/

honest

正直
Meaning
free of deceit and untruthfulness; sincere
Example
She is known as an honest and trustworthy person.
彼女は誠実で信頼できる人物として知られています。
A2 noun /ˈdɒŋ.ki/

Donkey

ロバ
Meaning
a domesticated animal related to the horse, with long ears and a braying call
Example
The donkey carried heavy bags up the mountain.
そのロバは重い袋を山へ運びました。
C1 verb /ˈblækən/

blacken

黒くする
Meaning
to make something black or darker; to stain, soil, or tarnish
Example
Smoke from the fire began to blacken the walls.
火事の煙が壁を黒くし始めた。
C1 adjective ˌhaɪ.pəˈθet.ɪ.kəl

hypothetical

仮定的, 想定的, 理論的
Meaning
Based on or serving as a hypothesis; supposed but not necessarily real or true.
Example
The discussion was based on hypothetical scenarios.
議論は仮定的なシナリオに基づいていました。
B2 adjective /ˈhɑːrti/

Hearty

熱心で友好的; 豊富で栄養豊富
Meaning
enthusiastic and friendly; substantial and nourishing
Example
He gave us a hearty welcome when we arrived at his home.
彼は私たちが家に到着したとき、熱心な歓迎をしてくれました。
B2 noun /ˈɪə.rə/

Era

時代
Meaning
a long and distinct period of history with a particular feature or characteristic
Example
The Renaissance was an era of great artistic and cultural achievement.
ルネサンスは大きな芸術的および文化的業績の時代でした。
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。
B2 noun /stəˈtɪstɪks/

statistics

統計
Meaning
the practice or science of collecting and analyzing numerical data
Example
The statistics showed an increase in the number of users last year.
統計は昨年のユーザー数の増加を示しました。
C2 noun /ˈfaɪəl/

phial

小さなガラス瓶
Meaning
a small glass container for liquids, especially medicines
Example
The doctor gave her a phial of medicine.
医者は彼女に薬の小瓶を渡しました。
A2 noun/adjective /ˈdʒɜːrmən/

german

ドイツ語
Meaning
relating to Germany, its people, or its language
Example
She is learning German to study abroad.
彼女は海外で勉強するためにドイツ語を学んでいます。
B2 verb /buːm/

boom

轟音
Meaning
to make a loud deep sound; to grow or increase rapidly
Example
The thunder boomed across the sky.
雷が空を鳴り響かせた。
C1 noun /bɪˈtreɪər/

Betrayer

裏切り者; 不忠者
Meaning
a person who betrays someone or something; one who is disloyal
Example
The betrayer was exposed and faced severe consequences.
裏切り者は暴露され、厳しい結果に直面しました。
A2 adjective /fer/

Fair

公正な; 妥当な; 魅力的な
Meaning
just and reasonable; treating people equally; light in color; attractive
Example
The judge made a fair decision in the case.
裁判官はその事件で公正な判断を下しました。
B2 noun /daɪm/

dime

10セント硬貨
Meaning
a small coin, especially a U.S. coin worth ten cents
Example
He gave me a dime for the phone call.
電話のためにダイムを一枚くれました。
C2 adjective, noun /ˈænθrəpɔɪd/

anthropoid

人類型
Meaning
Resembling a human being in form; a primate such as apes and monkeys.
Example
The gorilla is considered an anthropoid ape.
ゴリラは人類型の猿と見なされている。
B2 noun /ˈproʊtəkɔːl/

protocol

プロトコル
Meaning
an official procedure or system of rules
Example
The security team followed strict protocol during the event.
セキュリティチームはイベント中に厳格なプロトコルに従いました。
B1 noun /ˈkɑn.fɪ.dəns/

Confidence

自信
Meaning
the feeling or belief that one can rely on someone or something; firm trust; self-assurance
Example
She spoke with great confidence during the job interview.
彼女は面接で大きな自信を持って話しました。
B2 verb /ˌriːˈbɪld/

rebuild

再建する
Meaning
to build something again after it has been damaged or destroyed
Example
The villagers worked together to rebuild the bridge after the flood.
村人たちは洪水の後、橋を再建するために協力しました。
B1 adverb /əˈrɪdʒɪnəli/

originally

元々
Meaning
in the beginning, at first
Example
Originally, she wanted to be a doctor.
元々、彼女は医者になりたかった。
C1 verb /ˌriːˈkæst/

recast

再キャスティング
Meaning
To present or change something in a different form or style.
Example
The director decided to recast the role with a younger actor.
監督は役を若い俳優でリキャストすることに決めました。
C2 adjective ˌnjʊə.rəʊ.prəˈtek.tɪv

neuroprotective

神経保護
Meaning
Having the ability to protect nerve cells from damage, degeneration, or impaired function.
Example
Omega-3 fatty acids have neuroprotective benefits.
オメガ-3脂肪酸は神経保護効果があります。
C1 noun /ˈfɒdər/

fodder

飼料
Meaning
food for livestock such as cattle, horses, or sheep; also something considered of little value but used to supply a demand
Example
The farmer stored enough fodder for the cattle to last through winter.
農家は家畜が冬を越せるように十分な飼料を貯めておいた。
C1 noun ˈiː.θɒs

ethos

文化、時代、またはコミュニティの特徴的な精神
Meaning
The characteristic spirit of a culture, era, or community as manifested in its beliefs and aspirations.
Example
The company's ethos is built on innovation and integrity.
その会社のエトスは、革新と誠実に基づいています。
C2 noun/verb /ɡraʊs/

grouse

不平を言う / 鳥の一種
Meaning
A type of bird; or to complain or grumble persistently.
Example
He always grouses about the long hours at work.
彼はいつも長時間働くことに不平を言います。
B2 adjective dɪsˈrʌp.tɪv

disruptive

破壊的な, 不安定にする
Meaning
Causing or tending to cause disruption.
Example
Deforestation has a disruptive effect on wildlife.
森林伐採は野生動物に破壊的な影響を与えます。
B2 adverb /ˈsiː.mɪŋ.li/

seemingly

一見, 見た目では静か
Meaning
appearing to be true, but not necessarily so
Example
He was seemingly calm despite the chaos around him.
周りの混乱にもかかわらず、彼は一見静かだった。