ventilation
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B2 noun ˌvɛntɪˈleɪʃən

ventilation

換気
Meaning
The provision of fresh air to a room, building, etc.
Example
Proper ventilation is essential for maintaining air quality.
適切な換気は、空気の質を維持するために不可欠です。
C2 noun /ˌmɪsˈnoʊmər/

misnomer

誤った名前
Meaning
A wrong or inaccurate name or designation.
Example
Calling the tiny dog a 'giant' is a misnomer.
小さな犬を「ジャイアント」と呼ぶのは誤った名前です。
C1 adjective /ˌɪnkənˈsiːvəbl̩/

inconceivable

想像できない
Meaning
Impossible to imagine or believe; beyond comprehension.
Example
It seemed inconceivable that she could finish the marathon after such little training.
彼女があれほどのトレーニングでマラソンを完走できるとは想像できなかった。
C1 noun /səˈvænə/

savanna

サバンナ(散在する木々がある草原)
Meaning
a grassy plain with scattered trees, typical of tropical and subtropical regions
Example
Giraffes browsed on acacia trees across the wide savanna.
キリンは広いサバンナでアカシアの木の葉を食べていました。
C2 adjective /ˌɪnɪkˈsprɛsəbl/

inexpressible

言葉では表現できない
Meaning
Too strong or extreme to be expressed in words.
Example
She felt inexpressible joy at the news of her success.
彼女は成功の知らせを聞いて言葉では表現できない喜びを感じた。
C1 adjective /ˈswɛltərɪŋ/

sweltering

うだるような暑さ
Meaning
uncomfortably hot
Example
The sweltering heat made it hard to work.
うだるような暑さで仕事が難しくなった。
C1 noun /ˌʌnriˈælɪti/

unreality

非現実感
Meaning
the state or quality of being unreal; lack of reality or truth
Example
The dreamlike setting gave the story a sense of unreality.
夢のような舞台は物語に非現実感を与えた。
A1 noun /ˈʃʊɡər/

Sugar

砂糖
Meaning
sweet crystalline substance used as a sweetener
Example
Please add two teaspoons of sugar to my coffee.
私のコーヒーに砂糖を小さじ2杯加えてください。
A1 noun ˈstjuː.dənt

student

学生
Meaning
A person who is studying at a school or university.
Example
Students participated actively in the protests.
学生たちは抗議活動に積極的に参加しました。
A2 noun /ˈkrɪk.ɪt/

Cricket

コオロギ
Meaning
a jumping insect that makes a chirping sound by rubbing its wings together
Example
We could hear crickets chirping in the evening.
私たちは夕方にコオロギの鳴き声を聞くことができました。
B2 adverb /ˈkrɪtɪkli/

critically

重大に
Meaning
in a way that expresses disapproval or a very serious, important way
Example
He was critically injured in the accident.
彼は事故で重傷を負った。
C1 noun /ˈdɛspɒt/

despot

暴君
Meaning
a ruler with absolute power, often ruling in a cruel or oppressive way
Example
The despot ruled the nation with fear and violence.
暴君は恐怖と暴力で国を支配した。
B1 adjective ɪkˈstriːm

extreme

極端
Meaning
Reaching a high or the highest degree; very great.
Example
Extreme weather patterns disrupt ecosystems.
極端な気象パターンは生態系を乱します。
B2 noun /kənˈsʌmp.ʃən/

Consumption

消費
Meaning
The using up of a resource or the amount of a product consumed by consumers.
Example
High energy consumption leads to increased electricity bills.
高いエネルギー消費は電気料金の増加を引き起こします。
B1 noun /ɪnˈʃʊərəns/

insurance

保険
Meaning
An arrangement by which a company provides compensation for loss, damage, or illness in return for a premium.
Example
He bought health insurance to cover medical expenses.
彼は医療費をカバーするために健康保険に加入しました。
C2 verb /frɪz/

frizz

Meaning
to form into small, tight curls or cause hair to become fuzzy and tangled
Example
The humid weather caused her hair to frizz.
B2 adjective /dɪˈfensɪv/

Defensive

防御的
Meaning
used or intended to defend or protect; showing a tendency to react in an angry or hurt way when criticized
Example
He became defensive when criticized about his work.
彼は自分の仕事を批判されると防御的になった。
C1 verb /fɔːˈbɛər/

forbear

控える
Meaning
To refrain from doing something; to show patience or self-control.
Example
She forbore from commenting on his mistake.
彼女は彼の間違いについてコメントするのを控えました。
C2 adverb /ˌɛkspəˈdɪʃəsli/

expeditiously

迅速かつ効率的に
Meaning
in a quick and efficient manner
Example
The application was processed expeditiously.
申請は迅速かつ効率的に処理されました。
C2 adjective ˌɪm.pəˈtɜː.bə.bəl

imperturbable

冷静沈着
Meaning
Unable to be upset or excited; not easily disturbed.
Example
His imperturbable nature made him a great leader.
彼の冷静沈着な性格は、彼を偉大なリーダーにした。
C1 noun /məˈnɒtəni/

monotony

単調さ
Meaning
Lack of variety and interest; tedious repetition and routine.
Example
Breaking the monotony of everyday life can improve mental health.
日常生活の単調さを打破することは、メンタルヘルスの改善に役立つことがあります。
C1 noun /ˌdɪsbɪˈliːvər/

disbeliever

不信者
Meaning
a person who does not believe in something, especially a religion or idea
Example
He was called a disbeliever for rejecting the traditional faith.
彼は伝統的な信仰を拒否したため、不信者と呼ばれました。
B2 verb /ɒpt/

opt

選ぶ
Meaning
to choose or decide to do something instead of something else
Example
Many students opt to study abroad for better opportunities.
多くの学生がより良い機会のために海外で学ぶことを選択します。
C1 adjective /ˈɑp.ər.ə.tɪv/

Operative

作動中の; 効力を持つ; 仕事をしている; 操作可能な;
Meaning
Functioning; in effect; working; active;
Example
The new safety protocols became operative immediately after the accident.
新しい安全プロトコルは事故後すぐに作動しました。
B2 adjective /ˈpraɪ.ər/

Prior

事前の
Meaning
existing or coming before in time; previous; earlier
Example
You need prior approval before making any changes to the system.
システムに変更を加える前には、事前の承認が必要です。
B2 noun /ˈtrænskrɪpt/

transcript

写し
Meaning
a written or printed version of material originally presented in another medium
Example
The professor asked for a transcript of the meeting.
教授は会議のトランスクリプトを要求しました。
C2 noun /ˌpɜː.spɪˈkæs.ɪ.ti/

perspicacity

鋭い洞察力
Meaning
Sharp insight, keen understanding and discernment.
Example
Her perspicacity in business decisions led to success.
彼女のビジネスの意思決定における洞察力は成功をもたらした。
C1 noun /ˈpɛsəl/

pestle

Meaning
A heavy tool with a rounded end used for crushing or grinding substances in a mortar.
Example
She used a pestle to grind the spices.
彼女はスパイスを挽くために杵を使いました。
B2 adverb /ˈsmɑːt.li/

Smartly

賢く; スタイリッシュに; 速く
Meaning
in a clever or intelligent way; neatly and stylishly; quickly
Example
He was smartly dressed for the business meeting.
彼はビジネスミーティングのためにスマートに服を着ていました。
C1 adjective /ˈveɪɡrənt/

Vagrant

放浪者; ホームレス
Meaning
wandering aimlessly; having no settled home
Example
The vagrant man was asking for food near the station.
その放浪者は駅の近くで食べ物を求めていました。
C2 noun, verb /ɡɔːl/

gall

厚かましさ、迷惑をかける
Meaning
Annoyance, boldness, or to irritate.
Example
She had the gall to question his decision.
彼女は彼の決定に疑問を呈するギャルを持っていました。
C1 adjective /rɪˈsɔːrs ɪˈfɪʃ.ənt/

resource-efficient

資源効率的
Meaning
Using resources in a way that minimizes waste and maximizes productivity.
Example
Resource-efficient farming conserves water and energy.
資源効率的な農業は、水とエネルギーを節約します。
C1 noun /suˈpriː.mə.si/

Supremacy

至高性; 最高の権威または力
Meaning
the state of being supreme; highest authority or power
Example
The country established naval supremacy in the region.
その国は地域で海軍の至高性を確立しました。
C1 verb /ɪkˈstɪŋ.ɡwɪʃ/

extinguish

消す
Meaning
to put out a fire, light, or to end something
Example
The firefighters managed to extinguish the blaze within an hour.
消防士たちは1時間以内に火を消し止めました。
C1 noun ˌɪn.fɪlˈtreɪ.ʃən

infiltration

浸透、秘密のアクセス
Meaning
The process of entering or gaining access to an organization or place surreptitiously.
Example
Cybersecurity prevents infiltration into sensitive data.
サイバーセキュリティは、機密データへの浸透を防ぎます。
B2 noun ˈven.tʃərz

ventures

事業
Meaning
Business enterprises or undertakings, especially risky ones.
Example
Luxury ventures in space attract wealthy clients.
宇宙での豪華なベンチャーは裕福な顧客を引きつける。
B2 noun məˈtæb.əl.ɪ.zəm

metabolism

新陳代謝
Meaning
The chemical processes that occur within a living organism in order to maintain life.
Example
Exercise boosts metabolism and burns calories.
運動は新陳代謝を促進し、カロリーを燃焼します。
C2 verb /bɪˈkɑːm/

becalm

落ち着かせる
Meaning
to make calm or still; to deprive a sailing vessel of wind
Example
The captain tried to becalm the anxious crew.
キャプテンは不安な乗組員を落ち着かせようとした。
A1 verb /iːt/

eat

食べる
Meaning
to put food in the mouth and chew and swallow it
Example
We eat dinner at 7 PM.
私たちは午後7時に夕食を食べます。
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。
A2 noun /pæθ/

path

小道
Meaning
a way or track laid down for walking or made by continual treading
Example
She walked along the narrow path through the forest.
彼女は森の中の狭い道を歩きました。
B2 verb /əˈstaʊnd/

astound

仰天させる
Meaning
to greatly surprise or amaze someone
Example
The magician's final trick astounded the audience.
そのマジシャンの最後の手品は観客を仰天させた。
C2 noun /ˈsælvoʊ/

salvo

一斉射撃
Meaning
A simultaneous discharge of guns or release of bombs; a sudden outburst of cheers or applause.
Example
The soldiers fired a salvo to honor the fallen general.
兵士たちは倒れた将軍を讃えるために一斉射撃を行った。
B2 adjective /ʌnˈbiːtən/

Unbeaten

負けなし; 敗北なし
Meaning
not defeated; having never lost; undefeated
Example
The team remains unbeaten this season.
そのチームは今シーズン無敗です。
B1 noun /ˈhɛlθˌkɛər/

health-care

幸せ
Meaning
the organized provision of medical services to maintain or improve health
Example
Access to quality health-care is essential for every citizen.
彼女は賞を受け取ったとき、自分の幸せを隠すことができませんでした。
C1 noun /ˈdaʊri/

dowry

持参金
Meaning
Property or money brought by a bride to her husband at marriage.
Example
The dowry tradition is still followed in some cultures.
いくつかの文化では、持参金の伝統が今でも守られています。
B2 noun /ˈʌndərkləʊðz/

underclothes

下着
Meaning
Clothing worn beneath outer clothes, such as underwear or lingerie
Example
He folded his underclothes neatly before packing them.
彼は下着を丁寧にたたんでから詰めた。
A2 noun /ˈsɪɡəˌrɛt/

cigarette

タバコ
Meaning
a small roll of finely cut tobacco wrapped in paper for smoking
Example
He lit a cigarette after dinner.
彼は夕食後にタバコを吸った。
C1 verb /əˈseɪl/

assail

攻撃する
Meaning
to attack violently, either physically or with words
Example
The politician was assailed with difficult questions.
政治家は難しい質問で攻撃された。
B2 noun /ˌædməˈreɪʃən/

admiration

尊敬
Meaning
a feeling of respect, pleasure, or approval for someone or something
Example
She felt great admiration for her teacher’s dedication.
彼女は先生の献身に尊敬を感じた。
B2 noun /bækˈtɪəriəm/

bacterium

バクテリア
Meaning
A single microscopic organism belonging to the group of bacteria.
Example
The doctor explained that a single bacterium can multiply rapidly under the right conditions.
医者は、1つのバクテリウムが適切な条件下で急速に増殖できることを説明しました。
C1 verb /ˈædʒ.ɪ.teɪt/

agitate

扇動する, 激しくする
Meaning
to stir up feelings or disturb; to campaign for change
Example
The protesters agitated for better working conditions.
抗議者たちはより良い労働条件を求めて活動した。
C2 noun /ˈɒfərtɔːri/

offertory

奉納
Meaning
The part of a religious service when offerings are collected; the offering itself.
Example
The offertory was taken during the Sunday service.
日曜日の礼拝中に奉納が取られました。
C1 noun /rɛnˈdɪʃən/

rendition

演奏
Meaning
a performance or interpretation of a piece of art, music, or text
Example
The singer gave a moving rendition of the classic song.
歌手はクラシックな歌の感動的な演奏を行いました。
B2 adjective /ˈfruːt.fəl/

Fruitful

実り多い; 有益な; 成功した;
Meaning
productive; beneficial; successful;
Example
Our discussion was very fruitful and led to many new ideas.
私たちの議論は非常に実り多く、新しいアイデアをたくさん生み出しました。
C1 noun /sɔːd fɪʃ/

Sword fish

メカジキ
Meaning
A large marine fish with an elongated bill resembling a sword
Example
The swordfish can swim at speeds up to 60 mph.
メカジキは時速60マイルで泳ぐことができます。
A2 adverb /əˈhɛd/

ahead

前に
Meaning
in front; in advance; before someone or something in position or progress
Example
She walked ahead of the group.
彼女はグループの前に歩いていた。
C1 noun /ˌdep.rɪˈveɪ.ʃən/

deprivation

剥奪, 欠乏, 不足
Meaning
The damaging lack of material benefits considered to be basic necessities in a society.
Example
Sleep deprivation affects cognitive function.
睡眠不足は認知機能に影響を与えます。
C2 noun /drʌdʒ/

drudge

働き者
Meaning
A person made to do hard, menial, or dull work.
Example
He felt like a drudge, stuck in repetitive tasks all day.
彼は一日中、繰り返しの仕事に縛られている働き者のように感じていた。
C2 noun /ˈvɪrjʊləns/

virulence

病原性
Meaning
The severity or harmfulness of a disease or poison.
Example
Scientists studied the virulence of the new virus strain.
科学者たちは新しいウイルス株の病原性を研究しました。
B2 noun /biːk/

Beak

くちばし
Meaning
the hard pointed part of a bird's mouth
Example
The eagle has a sharp beak for tearing meat.
ワシは肉を引き裂くために鋭いくちばしを持っています。
C2 adjective /spæzˈmɒdɪk/

spasmodic

痙攣性
Meaning
occurring irregularly or in sudden bursts
Example
The patient experienced spasmodic coughing during the night.
患者は夜間に痙攣性の咳を経験しました。
C1 noun /ˈbeɪlɪf/

bailiff

裁判所の執行官
Meaning
An official who keeps order in a court, carries out court orders, or collects debts.
Example
The bailiff asked everyone to rise as the judge entered the courtroom.
裁判官が法廷に入ったとき、執行官は皆に立ち上がるように言いました。
A2 noun /ˈɒf.ɪs/

office

オフィス
Meaning
a room or building where people work, usually at desks
Example
She left the office early to attend a family event.
彼女は家族のイベントに出席するために早くオフィスを出ました。
C2 verb /ˈkɔː.tə.raɪz/

cauterize

焼灼する
Meaning
to burn tissue to stop bleeding or prevent infection
Example
The doctor cauterized the wound to stop the bleeding.
医者は出血を止めるために傷を焼灼した。
C1 adjective /ˌrɛtroʊˈæktɪv/

retroactive

遡及的
Meaning
applying to a period before it was enacted or established
Example
The new law was made retroactive to cover past cases.
新しい法律は過去のケースをカバーするために遡及的に作られました。
B2 noun /ˈbroʊ.kər/

Broker

仲介業者
Meaning
a person who buys and sells goods or assets for others; an intermediary
Example
The stock broker helped me invest my money wisely.
株式ブローカーは私のお金を賢明に投資する手助けをしました。
C2 noun /ˈpɛntæd/

pentad

五つ組
Meaning
A group or set of five things.
Example
The committee was divided into a pentad of working groups.
委員会は五つの作業グループに分けられました。
C1 noun ˌriːˈstrʌk.tʃər.ɪŋ

restructuring

再構築
Meaning
The action of organizing something differently.
Example
The company underwent restructuring to improve efficiency.
会社は効率を高めるために再構築を行った。
A2 verb /riːtʃ/

reach

到達する
Meaning
to arrive at a destination; to extend one's arm to touch something
Example
We will reach the station in ten minutes.
私たちは10分以内に駅に到着します。
C2 adjective /kəˈmoʊdiəs/

commodious

広々とした
Meaning
spacious and comfortable; having plenty of room
Example
They rented a commodious apartment in the city.
彼らは街で広々としたアパートを借りました。
C2 adjective /dɪˈluːsɪv/

delusive

欺瞞的
Meaning
Giving a false or misleading impression; deceptive.
Example
His promises turned out to be delusive and untrustworthy.
彼の約束は欺瞞的で信頼できないことが証明されました。
B2 noun/verb jiːldz

yields

収穫量
Meaning
The amount of agricultural produce harvested per unit of land area.
Example
Crop yields have declined due to extreme weather.
作物の収穫量は極端な天候により減少しました。
A2 noun /ˈpæs.ən.dʒər/

Passenger

乗客
Meaning
A person who travels in a vehicle but is not driving it
Example
The bus can carry thirty passengers.
バスは30人の乗客を運ぶことができます。
C1 verb/noun /pərˈvɜːrt/

pervert

Meaning
As a verb: to distort the meaning or purpose of something; as a noun: a person with abnormal or immoral sexual behavior.
Example
He tried to pervert the truth to escape punishment.
A2 noun /toʊ/

Toe

足の指
Meaning
any of the five digits at the end of the human foot
Example
She stubbed her toe on the chair leg.
彼女は椅子の足に足の指をぶつけました。
C1 noun /ˌɡræt.ɪ.fɪˈkeɪ.ʃən/

gratification

満足
Meaning
Pleasure, especially when gained from the satisfaction of a desire.
Example
The instant gratification of social media affects patience.
ソーシャルメディアの即時満足は忍耐力に影響を与える。
C1 noun /ˈwɛlˌduːər/

well-doer

善行者
Meaning
A person who does good deeds; a benefactor.
Example
The community praised the well-doer for his charity.
コミュニティはその善行者を称賛しました。
A2 verb dɪˈvɛləp

develop

発展させる
Meaning
To grow or bring to a more advanced or effective state; to start to exist, experience, or possess gradually.
Example
Develop a brand based on your passion and skills.
情熱とスキルに基づいてブランドを発展させましょう。
A2 adjective /əˈnɔɪɪŋ/

annoying

うるさい
Meaning
causing irritation or mild anger; bothersome or troublesome
Example
The constant noise from the street was extremely annoying.
通りからの絶え間ない騒音はとてもいらいらした。
C1 adjective /ˈpɒlɪtɪk/

politic

賢明な、慎重な
Meaning
shrewd, prudent, or tactful in practical matters
Example
It was politic of him to remain silent during the argument.
論争中に沈黙を守るのは賢明な判断だった。
C1 verb /ˈreɪdieɪt/

radiate

放射する
Meaning
to emit energy or light; to spread out from a center
Example
The fireplace radiates warmth throughout the room.
暖炉は部屋全体に暖かさを放射します。
C1 verb /kliːv/

cleave

裂ける, 切る
Meaning
to split or divide; to cut through forcefully
Example
He used an axe to cleave the wood.
彼は斧を使って木を割った。
B2 noun /ˈsɜːr.plʌs/

surplus

余剰
Meaning
An amount that is more than what is needed.
Example
The country has a surplus of food this year.
今年、その国には食料の余剰があります。
B1 noun truː ˌɛdjuˈkeɪʃən

true education

真の教育
Meaning
Genuine learning that develops both mind and character.
Example
True education builds a noble and beautiful life.
真の教育は高貴で美しい人生を築きます。
C2 adjective /ˈfæləbl/

fallible

誤りを犯しやすい
Meaning
capable of making mistakes or being wrong
Example
Even experts are fallible and can make errors.
専門家でさえ、誤りを犯し、エラーをすることがあります。
C2 noun /ɪnˈfrækʃən/

infraction

違反
Meaning
A violation or breach of a rule, law, or agreement.
Example
The student was punished for a minor infraction of the school rules.
学生は学校の規則の軽微な違反で罰せられました。
C2 adjective /ˈɡlʌt.ən.əs/

gluttonous

大食い
Meaning
Excessively greedy in eating or consuming.
Example
His gluttonous appetite shocked everyone at the dinner table.
彼の大食いの食欲は、ディナーテーブルで皆を驚かせた。
C2 noun /frɒnd/

frond

Meaning
A large, divided leaf of a fern, palm, or similar plant.
Example
The fern's frond stretched gracefully over the garden path.
シダの葉は庭の小道を優雅に伸びました。
B1 noun /teɪl/

tale

物語
Meaning
a narrative of imaginary events, especially one that is presented as true
Example
The old man told a tale of his adventures.
その老人は冒険の物語を話した。
C1 adjective /ˈbær.ən/

Barren

不毛の; 荒涼とした; 生産性がない; 不生産的
Meaning
sterile; unable to produce; desolate; unproductive
Example
The barren desert stretched for miles without any vegetation.
荒れ果てた砂漠は何マイルも広がり、植物は一切なかった。
C1 adjective /ˌpæθəˈlɑːdʒɪkəl/

pathological

病理的, 病的
Meaning
Relating to disease; extreme or obsessive in a way that is abnormal.
Example
He has a pathological fear of failure.
彼は失敗に対して病理的な恐怖を抱えている。
C2 noun /jɔːr/

yore

過去
Meaning
Time long past; bygone days.
Example
Legends of yore still inspire people today.
過去の伝説は今でも人々に影響を与え続けています。
A1 verb /æd/

add

追加する
Meaning
to join something to something else; to include
Example
Please add sugar to my coffee.
コーヒーに砂糖を加えてください。
B2 adjective /əˈdʒʌstəbəl/

Adjustable

調整可能な; 可変の; 調節できる;
Meaning
নিয়মযোগ্য; পরিবর্তন-সাধ্য; সমন্বয়যোগ্য;
Example
This chair has an adjustable height feature.
この椅子は高さが調節可能です。
B2 noun ˈlɛɡ.ə.si

legacy

遺産
Meaning
An amount of money or property left to someone in a will; something left or handed down by a predecessor.
Example
His contributions left a lasting legacy in the industry.
彼の貢献は業界に長く残る遺産を残しました。
B1 adverb /ˈmeɪn.li/

Mainly

主に; おもに
Meaning
for the most part; chiefly; primarily
Example
The conference was mainly about environmental protection and climate change.
会議は主に環境保護と気候変動についてでした。
B2 noun /ˈmæd.nəs/

Madness

狂気; 精神錯乱;
Meaning
the state of being mentally ill, especially severely; extremely foolish behavior
Example
It would be madness to drive in this storm.
この嵐の中で運転するのは狂気だろう。
A2 verb /kɪl/

kill

殺す
Meaning
to cause the death of; to end life
Example
The hunter killed the deer.
ハンターは鹿を殺した。
B1 verb /ˌɪntərˈækt/

interact

交流する
Meaning
to communicate or work together with someone or something
Example
Students interact with teachers during class discussions.
学生は授業のディスカッション中に教師と交流します。
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。
A2 noun, pronoun, verb /maɪn/

mine

鉱山 / 私の
Meaning
a place where minerals are dug from the ground; or something belonging to me
Example
The workers went deep into the mine to extract coal.
労働者たちは炭鉱に深く入って炭を採掘しました。
B2 verb /ɪnˈɡeɪdʒɪŋ/

engaging

関与する
Meaning
Participating or becoming involved in; occupying or attracting someone's interest or attention.
Example
Engaging youth in education is essential.
教育に若者を関与させることは重要です。
B2 noun /əˈbɔːrʃən/

abortion

Meaning
The deliberate termination of a human pregnancy, usually performed during the first 28 weeks.
Example
The debate about abortion continues to divide public opinion.
C1 adjective /məˈlɪʃəs/

Malicious

悪意のある; 有害な
Meaning
having or showing a desire to cause harm to someone; spiteful
Example
The malicious software damaged many computers.
悪意のあるソフトウェアが多くのコンピュータを破壊しました。
C1 adjective /ʃrɪl/

shrill

鋭い音
Meaning
High-pitched and piercing in sound.
Example
The shrill whistle startled everyone in the room.
鋭い口笛の音が部屋の中の全員を驚かせた。
B1 adjective /ʌnˈnesəseri/

Unnecessary

不必要な; 無駄な
Meaning
not needed; not required; pointless
Example
The meeting was unnecessary since all decisions were already made.
その会議は必要ありませんでした、すべての決定はすでに下されていました。
A2 verb /ˈɔːfər/

offer

申し出る
Meaning
to present something for acceptance or rejection; to propose
Example
She offered to help with the project.
彼女はプロジェクトを手伝うと申し出た。
C1 noun /ɪnˈsɜːrdʒənt/

insurgent

反乱者
Meaning
A person who rises in revolt against authority or government.
Example
The army arrested several insurgents after the attack.
軍隊は攻撃後、数人の反乱者を逮捕した。
A2 noun /roʊz/

Rose

バラ
Meaning
a fragrant flower with thorny stems, typically red, pink, white, or yellow
Example
She gave me a beautiful red rose for Valentine's Day.
彼女はバレンタインデーに私に美しい赤いバラをくれました。
C2 adjective /ˈsfɪŋks laɪk/

sphinx-like

神秘的な
Meaning
Mysterious, enigmatic, or difficult to interpret
Example
Her sphinx-like smile made it hard to guess what she was thinking.
彼女のスフィンクスのような微笑みは、彼女が何を考えているのかを予測するのを難しくさせた。
B2 noun, verb /bʌt/

butt

Meaning
to hit or push with the head or horns; the end part of something, especially a cigarette
Example
The goat butted the fence with its horns.
C1 verb /trəˈvɜːrs/

traverse

横断する
Meaning
To travel across or through something.
Example
They traversed the desert on camels.
彼らはラクダで砂漠を横断した。
C2 noun /ˌdʒiːniˈælədʒɪst/

genealogist

系譜学者
Meaning
A person who studies or traces the history of families and their lineages.
Example
The genealogist uncovered records dating back to the 18th century.
系譜学者は18世紀に遡る記録を発見した。
B2 noun /ˌɛvəˈluːʃən/

evolution

進化
Meaning
the gradual development of something, especially from a simple to a more complex form
Example
The theory of evolution explains how species change over time.
進化論は、種が時間とともにどのように変化するかを説明しています。
C1 verb /ʌnˈroʊl/

unroll

広げる
Meaning
to open something that is rolled up; to spread out gradually
Example
She unrolled the map on the table to find the route.
彼女は道を探すためにテーブルの上で地図を広げた。
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。
B1 adverb /ˈðɛərˌfɔr/

Therefore

したがって
Meaning
for that reason; consequently
Example
It was raining, therefore we stayed inside.
雨が降っていたので、私たちは中にいました。
C1 noun ˌsætʃəˈreɪʃən

saturation

飽和
Meaning
The state of being saturated; the degree or extent to which something is dissolved or absorbed
Example
The saturation of the market with similar products reduced sales.
市場に同様の商品が溢れすぎて、販売が減少しました。
C1 adjective /ˈsɪn.tɪ.leɪ.tɪŋ/

scintillating

きらめく
Meaning
brilliantly clever, exciting, or sparkling
Example
Her scintillating conversation kept everyone entertained.
彼女のきらめく会話は皆を楽しませた。
A1 noun /ˌæftərˈnuːn/

afternoon

午後
Meaning
The part of the day between noon and evening.
Example
We met in the afternoon for coffee.
私たちは午後にコーヒーを飲みに会いました。