teeter
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C1 verb /ˈtiːtər/

teeter

揺れる
Meaning
to move or balance unsteadily; to wobble
Example
The glass began to teeter on the edge of the table.
グラスがテーブルの端で揺れ始めた。
B1 adjective /ˈplʊrəl/

plural

複数
Meaning
denoting more than one person or thing
Example
The word 'cats' is the plural of 'cat'.
'猫'の複数形は'猫たち'です。
C2 adjective /ɪnˈɛk.wɪ.tə.bəl/

inequitable

不公平な
Meaning
Not fair or just; lacking in fairness or equality.
Example
The distribution of resources was inequitable among the workers.
リソースの分配は労働者の間で不平等でした。
B1 verb /kənˈvɜːrt/

convert

変換する
Meaning
to change from one form to another; to transform
Example
We can convert this room into an office.
この部屋をオフィスに変えることができます。
C2 noun /ˌmɪsˈtʃæns/

mischance

Meaning
An unfortunate accident or event; bad luck.
Example
By mischance, he missed the last train home.
C2 noun /ˌpɛkjʊˈleɪʃən/

peculation

横領
Meaning
The act of embezzling or stealing money, especially from public funds.
Example
The minister resigned after being accused of peculation.
大臣は横領の罪で辞任しました。
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。
C1 noun dɪˈsʌɪsɪvnɪs

decisiveness

決断力
Meaning
The ability to make decisions quickly and effectively.
Example
His decisiveness during the crisis saved the company.
危機の際、彼の決断力が会社を救った。
B2 noun /ˈtrɒli/

Troly

トロリー
Meaning
an electric vehicle that runs on rails or tracks in the street
Example
The trolley runs through the city center every fifteen minutes.
トロリーは市内中心を15分ごとに走ります。
C1 verb /flɑp/

flop

失敗
Meaning
to fall or move heavily and clumsily; to fail completely
Example
The new movie flopped at the box office.
新しい映画は興行成績が振るわなかった。
C1 noun /ˈmævərɪk/

maverick

独立独行の人物
Meaning
An unorthodox or independent-minded person.
Example
The maverick scientist challenged established theories.
独立独行の科学者は確立された理論に挑戦した。
C2 noun /ˈpaʊ.waʊ/

powwow

インフォーマルミーティング
Meaning
an informal meeting or conference to discuss something
Example
The team held a quick powwow before the presentation.
チームはプレゼンテーションの前に迅速なインフォーマルミーティングを開催しました。
C2 noun /ˌfrɪdʒɪˈdɛːriəm/

frigidarium

冷水浴場
Meaning
a large cold pool in ancient Roman baths used for cooling off after hot baths
Example
The ruins of the Roman frigidarium are still visible today.
ローマのフリジダリウムの遺跡は今日でも見ることができます。
A2 adjective /ˈmeɪdʒər/

major

重要な
Meaning
important, serious, or significant
Example
Climate change is a major concern for the world.
気候変動は世界にとって重大な懸念事項です。
C2 verb /flɛdʒ/

fledge

飛べるようになる
Meaning
To develop wing feathers large enough for flight; to bring up until able to fly.
Example
The young birds will fledge in a few weeks.
若い鳥たちは数週間以内に飛べるようになる。
C1 noun əˈblɪv.i.ən

oblivion

忘却, 破壊, 消失
Meaning
The state of being unaware or unconscious of what is happening; complete forgetfulness.
Example
His name faded into oblivion over time.
彼の名前は時と共に忘却の中に消えた。
B2 noun /ˈvel.vɪt/

Velvet

ベルベット
Meaning
a soft, luxurious fabric with a thick, short pile on one side
Example
The royal curtains were made of rich red velvet.
ロイヤルカーテンは豊かな赤いベルベットで作られていました。
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。
C1 noun /ˈvɜːrtɛks/

vertex

頂点
Meaning
The highest point; the top or the apex.
Example
The climber reached the vertex of the mountain.
登山者は山の頂点に達しました。
B2 adjective /ˌɑːrkɪˈtɛktʃərəl/

architectural

建築的な
Meaning
relating to the design and style of buildings and structures
Example
The city is known for its beautiful architectural designs.
その都市は美しい建築デザインで知られています。
C1 noun /ɪmˈbɑː.ɡoʊ/

embargo

貿易禁止
Meaning
A trade ban, restriction, or prohibition imposed by a government or international organization on a country.
Example
The UN imposed an embargo on arms exports.
国連は武器輸出に対して禁輸を課しました。
A1 verb (first person singular of 'be') /æm/

am

私は
Meaning
the first person singular present tense of 'be'
Example
I am happy today.
今日は私は幸せです。
B2 verb /stɪtʃ/

stitch

幸せ
Meaning
to sew with needle and thread; to join pieces of fabric
Example
She will stitch the torn dress carefully.
彼女は賞を受け取ったとき、幸せを隠せなかった。
C2 noun /ˈæpəfθɛm/

apophthegm

短くて、機知に富んだ教育的な言葉や格言
Meaning
A short, pithy, and instructive saying or maxim.
Example
She always had a witty apophthegm to share at meetings.
彼女は会議で共有するために、いつも機知に富んだアポフテムを持っていた。
A2 adjective /streɪndʒ/

strange

奇妙
Meaning
unusual or not normal
Example
It was strange to see him at the party after so long.
そんなに長い時間後にパーティーで彼を見るのは奇妙だった。
B2 adjective /ˈhɑːrmləs/

Harmless

無害な; 無実の; 安全な
Meaning
not able or likely to cause harm; innocent; safe
Example
The snake looks dangerous but it's actually harmless.
ヘビは危険に見えるが、実際には無害だ。
C2 adjective /ˈsɛpərəbəl/

separable

分離可能な
Meaning
Capable of being separated or divided.
Example
The two issues are separable and should be discussed independently.
この二つの問題は分離可能であり、独立して議論されるべきです。
B2 verb /ˈrɛnəˌveɪt/

renovate

改装する
Meaning
to restore something old to a good state or to improve it
Example
They decided to renovate the old house before moving in.
彼らは引っ越す前に古い家を改装することに決めました。
C2 verb /ˌækwiˈɛs/

acquiesce

黙って従う
Meaning
to accept something reluctantly but without protest
Example
She decided to acquiesce to her parents’ wishes.
彼女は両親の願いを黙って従うことに決めました。
B2 adjective /ˈɡraʊndɪd/

grounded

地に足のついた
Meaning
Well balanced and sensible; having a sound basis in reality or fact.
Example
Staying grounded during difficult situations helps with resilience.
困難な状況でも地に足のついた態度を保つことがレジリエンスの向上に役立ちます。
A1 title /mɪz/

ms

ミズ
Meaning
a title used before a woman's name, regardless of marital status
Example
Ms. Akter will give a speech at the seminar.
ミズ・アクターはセミナーでスピーチを行います。
C1 adjective /ˈæmərəs/

amorous

情熱的
Meaning
Showing, feeling, or relating to romantic love or desire.
Example
He sent her an amorous letter filled with declarations of love.
彼は愛の宣言でいっぱいのアモロスな手紙を彼女に送った。
C2 adjective /ˈbʊərɪʃ/

boorish

粗野
Meaning
Rude, insensitive, and lacking manners or refinement.
Example
His boorish behavior ruined the dinner party.
彼の粗野な行動はディナーパーティーを台無しにした。
B1 noun /mʌd/

mud

泥
Meaning
soft, wet earth or soil
Example
The children were playing in the mud after the rain.
子供たちは雨の後で泥遊びをしていました。
B2 verb /ɪnˈdʌldʒ/

indulge

楽しむ
Meaning
to allow oneself to enjoy something enjoyable, often excessively
Example
He indulged in a piece of chocolate cake after dinner.
彼はディナーの後でチョコレートケーキの一切れを楽しんだ。
B1 verb /rɪˈlaɪ/

rely

頼る
Meaning
to depend on or trust someone or something
Example
I rely on my friends for support.
私は支援のために友達に頼ります。
C1 noun /æbˈstrækʃən/

abstraction

抽象
Meaning
the process of forming general ideas by removing specific details; an abstract concept or idea
Example
Abstraction allows complex ideas to be represented in a simplified form.
抽象は複雑な考えを簡単な形で表現することを可能にします。
C1 phrase ˈriː.dʒən.əl ˈfɔː.rəm

regional forum

地域フォーラム
Meaning
A meeting or conference where representatives from countries or organizations in a specific geographical area discuss issues of common interest.
Example
The Regional Forum discussed deforestation impacts.
地域フォーラムでは、森林伐採の影響について議論されました。
C2 verb /ɪkˈspɛktəreɪt/

expectorate

痰を吐く
Meaning
to cough up and spit out mucus from the throat or lungs
Example
The patient began to expectorate thick mucus.
患者は濃い粘液を吐き始めました。
C1 noun /ˈhɑː.mɪdʒ/

Homage

敬意; 尊敬; 追悼
Meaning
special honor or respect shown publicly; tribute paid to someone in recognition of their merit
Example
The memorial service was a touching homage to the brave soldiers who sacrificed their lives.
追悼式は、命を捧げた勇敢な兵士たちへの感動的な敬意でした。
B2 noun /ˈɔːɡənɪzəm/

organism

生物
Meaning
a living thing that has an organized structure and can grow and reproduce
Example
Every organism needs water to survive.
すべての生物は生き残るために水を必要とします。
C1 adjective /ʌnˈduː/

Undue

過度の; 不適切な; 必要以上または適切以上の
Meaning
excessive; inappropriate; more than is necessary or proper
Example
The teacher complained about undue pressure from parents.
教師は親からの過度なプレッシャーについて不満を言いました。
B1 noun /ɪnˌvɛs.tɪˈɡeɪ.ʃən/

investigation

調査
Meaning
the process of inquiring into or examining something carefully to find the truth
Example
The investigation revealed new evidence about the fraud.
調査は詐欺に関する新しい証拠を明らかにしました。
C2 noun /ˈætəmaɪzər/

atomizer

アトマイザー
Meaning
A device that sprays liquid into a fine mist.
Example
She used an atomizer to apply the perfume evenly.
彼女は香水を均等に塗るためにアトマイザーを使いました。
C1 adjective /ˈfjuː.dəl/

feudal

封建的
Meaning
relating to the system of feudalism, a medieval social system based on land ownership and obligations
Example
The castle is a remnant of the feudal era.
城は封建時代の遺物です。
C1 noun rɪˈdʌndənsi

redundancy

冗長性、過剰
Meaning
The state of being not or no longer needed or useful; superfluousness.
Example
The redundancy in the company's workforce led to many layoffs.
会社の労働力の冗長性は多くの解雇を引き起こしました。
C1 verb /dɪˈsɛkt/

dissect

Meaning
to cut apart an animal, plant, or other organism to study its internal parts; to analyze something in detail
Example
In biology class, students had to dissect a frog to learn about its anatomy.
B2 verb /səbˈtrækt/

subtract

引く
Meaning
to take away a number or amount from another number or amount
Example
If you subtract 5 from 10, you get 5.
もし10から5を引いたら、5が得られます。
C1 adjective /rɪˈmoʊtɪd/

remoted

リモートされた
Meaning
placed at a distance; made remote
Example
The system was remoted to a secure location.
システムは安全な場所にリモートされました。
B2 noun /dɪˈstɜː.bəns/

Disturbance

騒乱; 邪魔; 不安
Meaning
the interruption of a settled and peaceful condition; anxiety or mental uneasiness
Example
The loud music created a disturbance that bothered all the neighbors.
大きな音楽は、すべての隣人を困らせた騒乱を引き起こしました。
B2 verb, noun /ˈkɒntɛst/

contest

競技, 挑戦
Meaning
verb: to compete or challenge; noun: a competition or dispute
Example
She decided to contest the election against the incumbent.
彼女は現職に対して選挙に挑戦することを決定しました。
B2 noun /saɪˈkɒlədʒɪst/

psychologist

心理学者
Meaning
a person who studies mental processes and behavior
Example
The psychologist helped him cope with his anxiety.
心理学者は彼が不安に対処するのを助けました。
B2 noun ˈsɛv.ən ˈwʌn.dərz

Seven Wonders

七不思議
Meaning
The seven most remarkable and famous structures in the world, representing architectural feats and cultural significance.
Example
The Seven Wonders of the world reflect human brilliance.
世界の七不思議は人類の素晴らしさを反映しています。
C2 verb /ˌrɛprɪˈhɛnd/

reprehend

非難する
Meaning
to express disapproval or criticism of someone or something
Example
The teacher reprehended the student for being dishonest.
先生は不正直なことで生徒を叱りました。
C2 verb /ˌkɒntrəˈvɜːrt/

controvert

反論する
Meaning
to dispute or argue against; to contradict
Example
The scientist controversed the previous research findings.
その科学者は以前の研究結果に異議を唱えました。
B2 noun /ˌɑb.zɚˈveɪ.ʃən/

Observation

観察
Meaning
the action of watching something carefully; a comment or remark
Example
The scientist made careful observations of the experiment.
科学者は実験を慎重に観察しました。
B2 adjective /ɪnˈtaɪtəld/

entitled

権利を持つ
Meaning
having the right to do or have something; feeling deserving of special treatment
Example
Employees are entitled to paid leave.
従業員は有給休暇を取得する権利があります。
B2 adverb /ˈæŋkʃəsli/

anxiously

不安そうに
Meaning
in a worried, nervous, or uneasy manner; with anxious anticipation
Example
She waited anxiously for the exam results.
彼女は試験の結果を不安そうに待っていた。
C2 adjective /ˈtrʌŋkeɪtɪd/

truncated

短縮された
Meaning
shortened by cutting off a part; cut short
Example
The meeting was truncated due to time constraints.
会議は時間の制約により短縮されました。
B2 verb /paɪn/

pine

切望する
Meaning
to long intensely for something or someone; to suffer from longing
Example
He pined for his hometown after moving abroad.
海外に引っ越した後、彼は故郷を切望していた。
C1 adjective /ˈraɪtfəl/

rightful

正当な
Meaning
having a legitimate or just claim; proper or lawful
Example
She is the rightful owner of the property.
彼女はその財産の正当な所有者です。
C2 adjective /ˌaɪdəˈlɑːtrɪəs/

idolatrious

偶像崇拝的な
Meaning
Excessively devoted or reverent towards idols or false gods.
Example
The ancient tribe was known for its idolatrious practices.
その古代の部族は偶像崇拝的な習慣で知られていました。
C1 verb /riːk/

wreak

被害を与える
Meaning
to cause or inflict something, especially damage or harm
Example
The storm wreaked havoc on the coastal villages.
嵐は沿岸の村に大きな被害をもたらしました。
B2 noun/verb /kjuː/

cue

合図
Meaning
A signal or prompt for action; to give a signal.
Example
The actor waited for his cue before entering the stage.
俳優はステージに上がる前にキューを待っていました。
C2 adjective /ˈɪl bred/

Ill-bred

無作法な
Meaning
lacking good manners; rude; showing poor upbringing
Example
His ill-bred behavior shocked everyone at the dinner party.
彼の無作法な振る舞いは、ディナー・パーティーで皆を驚かせた。
C2 noun /maɪˈæzmə/

miasma

悪臭の空気
Meaning
An unpleasant or unhealthy smell or atmosphere.
Example
A miasma of decay hung over the abandoned house.
腐敗の気配が廃墟の上に漂っていた。
C2 adjective /əˈsɛt.ɪk/

ascetic

禁欲的
Meaning
Practicing strict self-denial and abstaining from worldly pleasures, often for religious reasons.
Example
He lived an ascetic life in the mountains, far from worldly comforts.
彼は山の中で禁欲的な生活を送り、世俗的な快適さから遠ざかっていた。
B1 noun əbˈdʒek.tɪv

objective

目標
Meaning
A thing aimed at or sought; a goal.
Example
The main objective is to test sustainability.
メインオブジェクティブは持続可能性をテストすることです。
C1 noun /nɑːtʃ/

notch

切り込み
Meaning
A small cut or groove on the edge or surface of something; a level or degree of achievement.
Example
He carved a notch on the stick to mark the days.
彼は日数を記録するために棒に切り込みを入れました。
C1 noun /ˈrɛz.ə.nəns/

resonance

共鳴
Meaning
A deep, reverberating sound or a quality of evoking response.
Example
His speech had a deep resonance with the audience.
彼のスピーチは観客に深い共鳴を与えた。
B2 adjective /væst/

Vast

広大な; 巨大な; 広がる
Meaning
extremely large in size, amount, or extent; immense
Example
The vast ocean stretched endlessly to the horizon.
広大な海は地平線まで広がっていた。
C1 noun /ˈjuːnɪsən/

unison

ユニゾン
Meaning
Simultaneous performance or utterance of action or speech.
Example
The choir sang in unison.
合唱団はユニゾンで歌いました。
A1 adjective /kaɪnd/

Kind

親切な; 思いやりのある
Meaning
gentle; caring; compassionate; showing sympathy
Example
He is a kind person who always helps others.
彼はいつも他の人を助ける親切な人です。
C1 verb /riːl/

reel

つまずく / 巻き取る
Meaning
to lose balance and stagger; to wind or spin something onto a reel
Example
He reeled backward after being punched.
彼は殴られた後、後ろに転んだ。
B2 noun /ˌɪnstəˈbɪləti/

instability

不安定
Meaning
lack of stability or balance; tendency to change, fail, or collapse easily
Example
Political instability has slowed economic growth in the region.
政治的な不安定さが地域の経済成長を遅らせた。
C2 adjective /ɪmˈpɑːlɪtɪk/

impolitic

無礼な
Meaning
Unwise or imprudent; not showing good judgment.
Example
It would be impolitic to criticize them openly.
彼らを公然と批判するのは無礼だろう。
C1 adjective /ɪnˈɡreɪnd/

ingrained

根強い
Meaning
Firmly fixed or established; deeply rooted and difficult to change.
Example
His ingrained habits were hard to break.
彼の根強い習慣は壊すのが難しかった。
C1 noun /ɪkˈskriːʃən/

excretion

排泄
Meaning
the process of eliminating waste matter from the body
Example
Excretion is vital for maintaining a healthy body.
排泄は健康な体を維持するために不可欠です。
C1 noun /ˈmɛdli/

medley

メドレー
Meaning
A mixture of different things, especially musical tunes combined together.
Example
The band played a medley of popular songs.
バンドは人気のある曲のメドレーを演奏しました。
C1 verb /dɪˈmɔrəˌlaɪz/

demoralize

Meaning
to cause someone to lose confidence or hope
Example
The constant criticism demoralized the young athlete.
C2 noun /ˈnaɪɪˌlɪzəm/

nihilism

虚無主義
Meaning
The rejection of all religious and moral principles, often in the belief that life is meaningless.
Example
The philosopher was criticized for promoting nihilism.
哲学者はニヒリズムを推進したとして批判されました。
C2 noun /ˌʃæŋɡriˈlɑː/

shangri-la

架空の楽園
Meaning
a remote, beautiful, imaginary place where life is perfect and peaceful
Example
They described the island as a modern-day Shangri-La.
彼らはその島を現代版シャングリ・ラとして描写しました。
B2 adjective /fræŋk/

Frank

正直な; 開かれた; 率直な; 誠実な
Meaning
honest; open; straightforward; candid
Example
She gave me a frank opinion about my presentation.
彼女は私のプレゼンテーションについて率直な意見をくれました。
C2 verb /dʒɪr/

jeer

嘲笑う
Meaning
to laugh at someone or something in a cruel or mocking way
Example
The crowd began to jeer at the opposing team.
群衆は対戦チームを嘲笑し始めた。
C1 adjective /ˈbrɪtl/

brittle

壊れやすい
Meaning
easily broken or cracked; hard but liable to break
Example
The glass was so brittle that it cracked easily.
ガラスはとても壊れやすくて、簡単に割れました。
B1 noun /ˈfeɪvər/

favor

お願い
Meaning
An act of kindness or approval.
Example
She asked him for a small favor.
彼女は彼に小さなお願いをした。
B2 noun /dɛk/

deck

デッキ / プラットフォーム
Meaning
A flat surface or platform, often on a ship or building.
Example
We enjoyed the sunset from the upper deck of the ferry.
私たちはフェリーの上デッキから夕日を楽しみました。
B2 adverb /ˈprez.ənt.li/

Presently

現在; すぐに; しばらくして
Meaning
at the present time; soon; in a little while
Example
The doctor will see you presently.
医者はすぐにあなたを診ます。
C1 verb /ˌoʊvərˈruːl/

overrule

却下する
Meaning
to reject or disallow by exercising one's superior authority; to override a decision
Example
The judge overruled the objection from the defense attorney.
裁判官は弁護側の異議を却下した。
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。
C1 adjective /tjuːˈmʌltʃuəs/

tumultuous

動揺
Meaning
Characterized by disorder, noisy excitement, or emotional agitation.
Example
They had a tumultuous relationship full of ups and downs.
彼らは浮き沈みのある激動の関係を持っていました。
B2 verb /ˌmɪsbɪˈheɪv/

misbehave

行儀が悪い
Meaning
to behave badly or inappropriately; to act in an unacceptable way
Example
The children misbehaved during the school assembly.
子供たちは学校の集会で行儀が悪かった。
C1 noun /ˈkʌvənənt/

covenant

契約
Meaning
a formal agreement or promise, often legally binding
Example
The landlord and tenant signed a covenant to maintain the property.
家主と借家人は財産を維持するために契約に署名しました。
A2 noun əˈpɔɪnt.mənts

appointments

任命
Meaning
An arrangement to meet someone at a particular time and place; the action of assigning a job or role to someone.
Example
Government appointments follow meritocracy.
政府の任命は功績に基づいて行われる。
A2 noun /ˈdaɪnɪŋ/

dining

食事
Meaning
the act of eating a meal, especially in a formal setting
Example
We enjoyed fine dining at the new restaurant.
私たちは新しいレストランで素晴らしい食事を楽しみました。
B2 verb /feɪnt/

faint

気絶する
Meaning
to lose consciousness for a short time because of a temporary lack of oxygen to the brain
Example
He felt dizzy and fainted in the heat.
彼はめまいを感じ、暑さで気を失った。
C2 verb /dɪˈræsɪˌneɪt/

deracinate

根こそぎ引き抜く
Meaning
To uproot something completely; to displace people from their native environment or culture.
Example
The conflict deracinated many families from their homeland.
その紛争は多くの家族を故郷から追い出しました。
A2 noun /ɪˈfekt/

Effect

効果; 結果; 影響
Meaning
a change that is a result or consequence of an action or other cause
Example
The new medicine had a positive effect on the patient's recovery.
新しい薬は患者の回復に良い効果をもたらしました。
C1 adjective /ˈblʌdləs/

bloodless

血のない
Meaning
without bloodshed; lacking violence or vitality
Example
The revolution was surprisingly bloodless.
革命は驚くべきことに血を流さなかった。
B2 noun /ˈkɒmjʊnɪst/

communist

Meaning
a person who supports or believes in the principles of communism
Example
The communist ideology aims for a classless society.
C2 verb /ˈflʌməks/

flummox

困惑させる
Meaning
To confuse or bewilder someone completely.
Example
The complicated puzzle flummoxed the students.
その複雑なパズルは学生を困惑させた。
C2 noun /ˈæl.ɪ.mənt/

aliment

食物
Meaning
food or nourishment that sustains life
Example
Fruits and vegetables are important aliments for a healthy body.
果物と野菜は健康な体のための重要な食物です。
C1 noun /ˈtɒr.ənt/

Torrent

激流; 洪水
Meaning
a strong and fast-moving stream of water or other liquid; a sudden, violent, and copious outpouring
Example
The heavy rain created a torrent of water rushing down the mountain.
激しい雨が山を下る水の流れを作り出しました。
B2 verb /ɪmˈprɪzən/

imprison

投獄する
Meaning
to put someone in prison; to confine or restrict someone's freedom
Example
The judge imprisoned the criminal for five years.
裁判官は犯罪者を5年間投獄しました。
C1 noun /zest/

Zest

熱意；エネルギーと興奮；柑橘類の外皮
Meaning
great enthusiasm and energy; excitement and vigor; the outer peel of a citrus fruit
Example
She approached the new job with tremendous zest.
彼女は新しい仕事に非常に熱意を持って取り組んだ。
B2 noun /ˌaɪ.səˈleɪ.ʃən/

Isolation

隔離
Meaning
the process or fact of isolating or being isolated; separation from other people or things
Example
The patient was kept in isolation to prevent the spread of the infectious disease.
患者は感染症の拡大を防ぐために隔離されました。
C1 noun /rɪˈvʌlʃən/

revulsion

嫌悪
Meaning
a strong feeling of disgust or repulsion
Example
She felt revulsion at the sight of the cruel act.
彼女はその残酷な行為を見て嫌悪感を覚えた。
B1 adverb /ˈdʒen.tli/

Gently

優しく; 注意深く; ゆっくりと;
Meaning
in a mild, soft, or careful manner
Example
She gently touched the baby's face.
彼女は赤ちゃんの顔を優しく触れました。
A2 noun /ˈæθliːt/

athlete

アスリート
Meaning
a person who is trained or skilled in physical exercises, sports, or games requiring strength, agility, or stamina
Example
The athlete trained hard for the upcoming Olympic Games.
アスリートは、来たるオリンピック大会のために厳しい訓練を積んだ。
C1 noun /ˌprɑːfɪˈtɪr/

profiteer

利益を不正に得る者
Meaning
a person who makes excessive profits, especially unfairly or illegally
Example
The government punished war profiteers.
政府は戦争の利益を不正に得る者を罰した。
B2 adjective /ʌnˈɡreɪt.fəl/

Ungrateful

恩知らず
Meaning
not feeling or showing thanks for something done or given; not appreciating kindness
Example
She felt he was ungrateful for all the help she had given him.
彼女は、彼が彼女が与えたすべての助けに対して恩知らずだと感じた。
C2 adjective /ˈslæp.dæʃ/

slapdash

ぞんざい
Meaning
done too quickly and carelessly; hasty and careless
Example
The report was written in a slapdash manner, full of errors.
レポートはぞんざいに書かれており、間違いだらけだった。
C2 noun /ˌdɛspəˈrɑːdoʊ/

desperado

Meaning
A bold, reckless, or dangerous person, often a criminal.
Example
The sheriff was determined to capture the desperado who terrorized the town.
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。
C1 adjective /ˌɔː.riˈen.təl/

Oriental

東アジアの国々に関連する; 東方
Meaning
relating to the countries of East Asia; eastern
Example
The museum has a beautiful collection of oriental art.
博物館には美しいオリエンタルアートのコレクションがあります。
C1 noun /ˈɔr.ə.tər/

Orator

演説家
Meaning
a public speaker, especially one who is eloquent or skilled in speaking
Example
The famous orator delivered an inspiring speech.
有名な演説家が感動的なスピーチを行った。
C2 adjective /ɪkˈsɛpʃənəbl/

exceptionable

受け入れられない
Meaning
Open to objection; causing disapproval.
Example
His rude remarks were considered exceptionable by everyone present.
彼の無礼な発言は、出席していた全員にとって不適切だと見なされた。
C2 adjective /ˌɪnfɪnɪˈtɛsɪməl/

infinitesimal

微細な
Meaning
Extremely small in size or amount; so tiny as to be almost negligible.
Example
The error was so infinitesimal that it didn’t affect the results.
そのエラーは非常に微細で、結果に影響を与えることはありませんでした。
C2 verb /ˈmæk.ɪ.neɪt/

machinate

陰謀を企てる
Meaning
to engage in plots or schemes, usually for harmful or evil purposes
Example
The rebels tried to machinate against the king.
反乱者たちは王に対して陰謀を企てようとした。
B2 noun sɛlf rɪˈlaɪ.əns

self-reliance

自立
Meaning
Reliance on one's own powers and resources rather than those of others; independence.
Example
Self-reliance helps build confidence.
自立は自信を高めるのに役立ちます。
C1 verb /daɪˈvʌldʒ/

divulge

明らかにする
Meaning
to make known something private, secret, or previously unknown
Example
She refused to divulge the source of her information.
彼女は情報の源を明らかにすることを拒否しました。