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B2 noun /ˈæsɪd/

acid

Meaning
a chemical substance that reacts with bases and has a sour taste
Example
Lemons contain citric acid.
レモンにはクエン酸が含まれています。
A2 noun /ˈtaɪ.ɡər/

Tiger

Meaning
a very large solitary cat with a yellow-brown coat striped with black, native to the forests of Asia
Example
The tiger hunted silently through the jungle.
虎はジャングルを静かに歩いて狩りをしていた。
C1 adjective /ɪnˈvɛntɪv/

inventive

創造的
Meaning
Having the ability to create or design new things or to think originally.
Example
The inventor was known for his inventive solutions to everyday problems.
発明家は日常の問題に対する創造的な解決策で知られていた。
A2 pronoun /ðəmˈsɛlvz/

themselves

自分で
Meaning
used to emphasize the subject of the sentence or to refer to the subject doing something to itself
Example
They fixed the problem themselves.
彼らは自分で問題を解決しました。
B2 adjective /spɒnˈteɪniəs/

Spontaneous

自発的な
Meaning
done without planning; natural and unforced
Example
Their spontaneous dance in the rain was beautiful.
雨の中で彼らの自発的なダンスは美しかった。
B2 adjective /ˈvoʊkəl/

vocal

発声
Meaning
expressing opinions or feelings freely and loudly; relating to the voice
Example
She was very vocal about her dissatisfaction.
彼女は自分の不満について非常に発声していました。
C2 noun /luːn/

lune

三日月
Meaning
A crescent-shaped figure formed by two intersecting arcs; also means 'moon' in French.
Example
The mathematician studied the properties of the lune.
数学者は三日月の特性を研究しました。
B2 noun /ˈsɛktər/

sector

セクター
Meaning
a distinct part or area of an economy, society, or industry
Example
The technology sector is growing rapidly.
テクノロジーセクターは急速に成長しています。
B2 noun /əbˈzɜːvər/

observer

観察者
Meaning
a person who watches or notices something
Example
The observer took notes during the meeting.
観察者は会議中にメモを取った。
B2 noun /ˈvɜː.tʃuː/

Virtue

美徳;道徳;有益な品質
Meaning
behavior showing high moral standards; a good or useful quality of a thing
Example
Honesty is considered the highest virtue in many cultures.
誠実は多くの文化で最も高い美徳と見なされています。
C2 noun /ˈdʒɛntaɪl/

gentile

非ユダヤ人
Meaning
A person who is not Jewish
Example
The synagogue welcomed both Jews and Gentiles.
シナゴーグはユダヤ人と非ユダヤ人の両方を歓迎しました。
B1 noun /ˈwiːknəs/

weakness

弱点
Meaning
a state of being weak; a flaw or shortcoming in character or structure
Example
His main weakness is his lack of patience.
彼の最大の弱点は忍耐力の欠如です。
C1 verb məˈnɒp.ə.laɪz

monopolize

独占する
Meaning
Control exclusively, dominate market.
Example
The company tried to monopolize the market.
その会社は市場を独占しようとした。
A2 noun /ˈɑːr.tɪst/

Artist

芸術家
Meaning
a person who creates art, especially paintings or drawings; a person skilled in a particular art form
Example
The artist displayed her sculptures at the gallery opening.
そのアーティストはギャラリーのオープニングで彼女の彫刻を展示した。
B2 verb /prəˈvoʊk/

provoke

挑発する
Meaning
To cause someone to become angry or to cause a reaction.
Example
His words provoked a heated argument.
彼の言葉は激しい議論を引き起こした。
B2 noun /ˈaɪ.saɪt/

Eyesight

視力
Meaning
the ability to see; vision
Example
Regular eye checkups are important for maintaining good eyesight.
定期的な目の検査は良い視力を維持するために重要です。
B2 verb /ɪnˈtriːɡ/

intrigue

魅了する
Meaning
to arouse curiosity or interest; to make someone fascinated
Example
The mystery novel will intrigue any reader.
ミステリー小説はすべての読者を魅了するでしょう。
B2 noun dɪˈplɔɪmənt

deployment

展開
Meaning
The action of bringing resources into effective action.
Example
The deployment of the new software was completed successfully.
新しいソフトウェアの展開は成功裏に完了しました。
B2 noun /ˈdrʌm.stɪk/

Drumstick

モリンガのさや
Meaning
long green pod vegetable from moringa tree; nutritious vegetable used in curries
Example
The drumstick adds a unique flavor to the traditional fish curry.
ドラムスティックは伝統的な魚カレーに独特な風味を加えます。
C1 adjective /ˈærəbəl/

arable

耕作可能
Meaning
suitable for growing crops or farming
Example
The farmer purchased arable land to expand his crops.
農家は作物を拡大するために耕作可能な土地を購入しました。
C1 adjective /kəˈləʊ.kwi.əl/

colloquial

口語
Meaning
Used in ordinary conversation rather than formal speech or writing; informal language.
Example
His colloquial expressions made the speech relatable.
彼の口語表現はスピーチをより身近なものにしました。
A2 verb /kəˈnɛkt/

connect

接続する
Meaning
To join or fasten together; to establish a link or relationship.
Example
Social media helps us connect with others.
ソーシャルメディアは私たちが他の人と接続するのを助けます。
C1 verb /kraʊtʃ/

crouch

Meaning
to bend your knees and lower your body close to the ground
Example
The cat crouched before leaping at its prey.
C2 adjective hjʊˈrɪs.tɪk

heuristic

発見的
Meaning
Enabling a person to discover or learn something for themselves; experimental learning approach.
Example
Teachers use heuristic techniques to encourage self-learning.
教師は自学を促すために発見的な技法を使用します。
C1 noun /ˈhɜː.mɪt/

Hermit

宗教的な修行として孤独に生きる人;社会から退く人
Meaning
a person living in solitude as a religious discipline; someone who withdraws from society
Example
The old hermit lived alone in a small cabin deep in the mountains, away from civilization.
その老いたハーミットは文明から遠く離れた山の中の小さな小屋で一人で暮らしていた。
A1 noun /lænd/

Land

土地; 地面
Meaning
the part of the earth's surface that is not covered by water; an area of ground, soil, or earth
Example
The farmer worked hard to cultivate his land and grow healthy crops.
農家は自分の土地を耕し、健康な作物を育てるために一生懸命働きました。
C2 verb /ˈærəˌɡeɪt/

arrogate

不当な要求
Meaning
To claim or take something without justification.
Example
The dictator arrogated all powers to himself.
独裁者は不当な要求で全ての権力を自分のものにした。
C1 adjective /ɪmˈpjʊər/

Impure

不純
Meaning
contaminated; not clean; mixed with foreign substances
Example
The impure water caused health problems in the village.
不純な水は村で健康問題を引き起こしました。
A2 noun /ˈiː.ɡəl/

Eagle

ワシ
Meaning
large bird of prey with powerful wings and sharp talons
Example
The eagle soared high above the mountains.
ワシは山々の上を高く飛んだ。
C1 adjective /əbˈdʒek.ʃən.ə.bəl/

Objectionable

不快な
Meaning
arousing distaste or opposition; unpleasant or offensive
Example
His objectionable behavior made everyone uncomfortable.
彼の不快な行動は、皆を不快にさせた。
B2 adjective /ʌnˈsuːtəbl/

Unsuitable

不適切; 不適当
Meaning
not fitting or appropriate for a particular purpose or situation
Example
This formal dress is unsuitable for a casual beach party.
このフォーマルなドレスはカジュアルなビーチパーティには不適切です。
B1 adjective /ˈbrɪliənt/

brilliant

素晴らしい
Meaning
Exceptionally clever, talented, or impressive; very bright or radiant.
Example
She gave a brilliant performance on stage.
彼女はステージで素晴らしいパフォーマンスをしました。
C1 adjective əsˈtjuːt

astute

鋭いまたは抜け目のない
Meaning
Having or showing an ability to accurately assess situations or people and turn this to one's advantage.
Example
His astute observations helped solve the complex problem.
彼の鋭い観察が複雑な問題を解決するのに役立った。
A2 noun /dəˈrɛkʃən/ or /daɪˈrɛkʃən/

direction

方向, 指示
Meaning
the course or path on which someone or something is moving; instructions on what to do
Example
He asked for directions to the train station.
彼は駅への行き方を尋ねました。
C2 noun /ˈækmi/

acme

頂点
Meaning
the highest point of achievement or excellence
Example
Winning the award was the acme of his career.
賞を獲得することが彼のキャリアの頂点でした。
B1 adjective /ˈeɪn.ʃənt/

Ancient

古代の
Meaning
belonging to the very distant past; very old; historical
Example
We visited the ancient ruins of the Roman empire.
ローマ帝国の古代遺跡を訪れました。
B2 adjective /ˌʌn.əkˈsep.tə.bəl/

Unacceptable

受け入れられない
Meaning
not satisfactory or allowable; not acceptable
Example
The quality of work was completely unacceptable.
仕事の質は完全に受け入れられませんでした。
B1 noun /broʊˈʃʊr/

brochure

パンフレット
Meaning
a small booklet or pamphlet containing information or advertising
Example
The travel agent gave us a brochure about the holiday package.
旅行代理店は休暇パッケージについてのパンフレットをくれました。
B1 noun/verb /ˈmætərz/

matters

問題 / 重要である
Meaning
important topics, concerns, or issues; as a verb, to be of importance or significance
Example
What she thinks really matters to me.
彼女が思うことは私にとって本当に重要です。
C1 noun /rɪˈmɛmbrəns/

remembrance

記憶
Meaning
the act of remembering or honoring someone or something
Example
A service was held in remembrance of the fallen soldiers.
戦死した兵士たちを記憶するための式典が行われた。
C1 noun /ɡəˈrɪlə/

guerrilla

Meaning
a member of a small independent group taking part in irregular fighting, typically against larger forces
Example
The guerrilla fighters used ambushes to attack enemy positions.
B2 noun /ˌdaɪəɡˈnoʊsɪs/

diagnosis

Meaning
The identification of a disease, condition, or problem through examination of symptoms.
Example
The diagnosis confirmed that she had diabetes.
C1 verb /wɔːrp/

warp

Meaning
To twist or bend out of shape, often due to heat or moisture.
Example
The wooden door warped in the summer heat.
C2 noun /ˈpraɪəri/

priory

修道院
Meaning
a small monastery or convent governed by a prior or prioress
Example
The old priory was converted into a museum.
古い修道院は博物館に改装されました。
B2 adjective /ʌnˈiːkwəl/

Unequal

不平等; 不正;
Meaning
not the same in quantity, size, or value; not fair or just
Example
The distribution of wealth is unequal in many countries.
多くの国々では、富の分配は不平等です。
C2 verb /ˈvɪlɪfaɪ/

vilify

幸せ
Meaning
to speak or write about someone in an abusive or disparaging manner
Example
The politician was vilified in the media for his controversial remarks.
彼女は賞を受け取ったとき、幸せを隠すことができませんでした。
B2 noun /ɡræm/

Gram

ひよこ豆
Meaning
chickpea; a leguminous plant and its edible seed
Example
She cooked gram curry for lunch today.
今日は昼食にひよこ豆カレーを作りました。
C1 noun /ˈdjuːplɛks/

duplex

デュプレックスハウス
Meaning
A house or apartment divided into two separate residences.
Example
They live in a duplex near the city center.
彼らは市の中心近くのデュプレックスに住んでいます。
C1 verb /skɪmp/

skimp

ケチる
Meaning
to use less of something than is necessary in order to save money or effort
Example
Don’t skimp on quality when buying a new laptop.
新しいノートパソコンを買うときは、品質をケチらないでください。
B2 noun kəˌlæbəˈreɪʃən

collaboration

協力
Meaning
The action of working with someone to produce or create something
Example
International collaboration is necessary to fight pollution.
国際的な協力は汚染と戦うために必要です。
C1 noun rɪˌkuːpərˈeɪʃən

recuperation

回復
Meaning
The process of gradually recovering from illness or fatigue
Example
Rest is essential for recuperation after illness.
病気からの回復には休息が不可欠です。
B2 noun /dɪˈpreʃ.ən/

Depression

うつ病
Meaning
a mental health condition characterized by persistent sadness; a severe economic downturn
Example
The therapist helped her cope with depression through cognitive behavioral therapy.
セラピストは認知行動療法を通じて彼女がうつ病に対処する手助けをしました。
B2 noun /ˈæɡ.ə.ni/

Agony

極度の肉体的または精神的苦痛; 激しい痛み
Meaning
extreme physical or mental suffering; intense pain
Example
He was in agony after the accident.
事故後、彼は激しい痛みに苦しんでいた。
C2 noun /ˈlɪθəˌtaɪp/

lithotype

リトタイプ (印刷面)
Meaning
a printing surface or type made for lithography
Example
The printer used a lithotype to produce multiple copies of the design.
プリンターはデザインの複数のコピーを作成するためにリトタイプを使用しました。
C1 noun /ˈbraɪ.dəl/

Bridle

手綱; 騎馬用具
Meaning
the headgear used to control a horse, consisting of buckled straps and a bit
Example
The rider adjusted the horse's bridle before mounting for the race.
騎手はレースの前に馬の手綱を調整した。
A2 noun /əˈpɪə.rəns/

Appearance

外見; 出現; 表れ
Meaning
the way that someone or something looks; an act of performing or participating in a public event
Example
Her appearance at the event surprised everyone.
イベントでの彼女の登場は皆を驚かせた。
C2 noun /prɪˈsɛntɪmənt/

presentiment

予感
Meaning
An intuitive feeling about the future, especially of something bad about to happen.
Example
He had a strong presentiment that the plan would fail.
彼は計画が失敗するという強い予感を持っていた。
C2 adjective /boʊˈhiːmiən/

bohemian

ボヘミアン
Meaning
unconventional, artistic, and free-spirited in lifestyle or appearance
Example
She decorated her apartment in a bohemian style with colorful fabrics.
彼女はカラフルな布でボヘミアンスタイルでアパートを飾りました。
B2 adjective /ˈsɛksi/

sexy

セクシー
Meaning
sexually attractive or exciting
Example
She wore a sexy red dress to the party.
彼女はパーティーでセクシーな赤いドレスを着ていました。
C1 adjective /ʌnˈvɔɪst/

unvoiced

未表現
Meaning
not expressed in speech; in phonetics, a sound produced without vocal cord vibration
Example
The student kept her opinion unvoiced during the meeting.
学生は会議中に自分の意見を未表現のままにしておいた。
C2 noun /kəmˈpleɪsəns/

complaisance

従順
Meaning
willingness to please others; courteous compliance
Example
Her complaisance made her popular among her colleagues.
彼女の従順さは彼女を同僚の中で人気者にしました。
B2 noun /θɔːn/

Thorn

とげ
Meaning
a sharp pointed part of a plant; something that causes pain or annoyance
Example
Be careful of the thorns on the rose bush.
バラの茂みの中のとげに気をつけてください。
C1 adverb /əˈfrɛʃ/

afresh

再び
Meaning
From the beginning, in a new way.
Example
After the failure, they started the project afresh.
失敗後、彼らは新たにプロジェクトを始めた。
C2 adjective /ˈseɪpiənt/

sapient

賢明な
Meaning
Wise, or appearing to be wise.
Example
The professor gave a sapient response to the complex question.
教授は複雑な質問に賢明な回答をしました。
B2 noun /ˈwaɪld.laɪf ˌkɒnsərˈveɪʃən/

wildlife conservation

野生動物保護
Meaning
The practice of protecting wild animal species and their habitats in order to maintain healthy wildlife species or populations and to restore, protect or enhance natural ecosystems.
Example
Wildlife conservation aims to protect endangered species.
野生動物保護の目的は絶滅危惧種を保護することです。
C2 noun /naɪˈdʒel.ə/

Nigella

ブラッククミン
Meaning
small black seeds with a nutty, slightly bitter flavor, also known as black cumin or black seed
Example
Sprinkle nigella seeds on top of the bread before baking.
パンの上にブラッククミンの種を振りかけてから焼きます。
C2 noun /ˌsɪnjuˈɒsɪti/

sinuosity

曲がり具合
Meaning
The quality or state of being winding, curving, or having many turns.
Example
The sinuosity of the river made navigation challenging.
川の曲がり具合はナビゲーションを難しくした。
C1 adjective /nəʊˈmæd.ɪk/

nomadic

遊牧
Meaning
Living the life of a nomad; wandering from place to place without a fixed home.
Example
The tribe led a nomadic lifestyle.
部族はノマディックなライフスタイルを送っていた。
B2 adjective /ˈlʌv.ə.bəl/

Lovable

愛されるべき; 愛らしい
Meaning
deserving of love; endearing; adorable
Example
The puppy was so lovable that everyone wanted to adopt it.
その子犬はとても愛らしく、皆が養子にしたがっていた。
C1 verb /ɜːr/

err

誤る
Meaning
to make a mistake or be incorrect
Example
To err is human, to forgive divine.
誤ることは人間にとって自然なことであり、許すことは神聖である。
B1 noun /ˈleɪ.bəl/

Label

ラベル
Meaning
a small piece of paper or material attached to something to identify or describe it
Example
Please read the label carefully before taking any medication.
薬を服用する前に、ラベルを注意深くお読みください。
C1 noun /ˈprɛəri/

prairie

草原
Meaning
A large open area of grassland, especially in North America.
Example
The bison roamed freely across the prairie.
バイソンは草原を自由に歩き回った。
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。
A1 adjective /juːzd/

used

中古
Meaning
having already been used
Example
This is a used car.
これは中古車です。
B1 noun /ˈɡɪvər/

giver

与える人
Meaning
a person who gives something
Example
She was always a generous giver to charity.
彼女はいつも慈善団体への寛大なギヴァーでした。
A1 adjective /ˈsɪmpəl/

Simple

簡単な; シンプル; 複雑でない
Meaning
easy to understand or do; not complicated
Example
This is a simple recipe that anyone can follow.
これは誰でもフォローできる簡単なレシピです。
B2 adjective /rɪˈspɒn.sɪv/

Responsive

反応が早い
Meaning
reacting quickly and positively; readily reacting to suggestions or changes
Example
The website is very responsive and loads quickly on all devices.
そのウェブサイトは非常にレスポンシブで、すべてのデバイスで迅速に読み込まれます。
B2 adjective /ˈvaɪəbəl/

viable

実行可能, 実現可能
Meaning
Capable of working successfully; feasible.
Example
A viable solution is necessary for long-term success.
長期的な成功には実行可能な解決策が必要です。
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。
B1 abbreviation /vərsəs/

vs

Meaning
used to indicate opposition or contrast between two things
Example
The match was Brazil vs Argentina in the final.
試合はブラジル対アルゼンチンの決勝戦でした。
C2 noun /ˈmuːn.biːm/

moonbeam

月光
Meaning
A ray of light from the moon.
Example
A moonbeam lit up the quiet forest clearing.
月光が静かな森の開けた場所を照らした。
C2 noun /ˌsuːdəˈnɪmɪti/

pseudonymity

ペンネームの使用
Meaning
the practice or state of using a pseudonym
Example
The author maintained pseudonymity throughout her career.
その作家はキャリア全体を通してペンネームを使用していました。
B2 noun /ˌæk.wɪˈzɪʃ.ən/

Acquisition

獲得, 取得
Meaning
An asset or object bought or obtained, typically by a library or museum.
Example
The company's acquisition strategy boosted growth.
会社の獲得戦略は成長を促進しました。
C2 verb /ɪˈdjuːs/

educe

引き出す
Meaning
To draw out or bring forth something latent or hidden.
Example
The teacher tried to educe a response from the shy student.
教師は恥ずかしがり屋の生徒から反応を引き出そうとしました。
C1 noun ˌɪnˈsaɪtfʊlnɪs

insightfulness

洞察力、分析能力
Meaning
The capacity to gain an accurate and deep intuitive understanding of a person or thing.
Example
His insightfulness helped solve the complex problem.
彼の洞察力は複雑な問題を解決するのに役立ちました。
C1 noun /ˈʌndərˌteɪkər/

undertaker

葬儀屋
Meaning
A person whose job is to prepare the dead for burial and arrange funerals.
Example
The undertaker prepared the body for the funeral service.
葬儀屋は葬儀のために遺体を準備しました。
C2 adjective /ˈroʊziət/

roseate

バラ色の、楽観的な
Meaning
Having a pink color; optimistic or idealistic.
Example
She looked at the future with roseate optimism.
彼女はローズ色の楽観主義で未来を見ました。
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。
B2 noun /stəˈbɪl.ə.ti/

Stability

安定性
Meaning
the state of being stable; firmness; steadiness
Example
Political stability is essential for economic growth.
政治的安定は経済成長にとって重要です。
C1 noun /ˈliːniənsi/

leniency

寛大
Meaning
The quality of being more merciful or tolerant than expected.
Example
The judge showed leniency in his ruling.
裁判官は判決で寛大さを示した。
C2 noun /ˈlɔːˌɡɪvər/

lawgiver

立法者
Meaning
A person who creates or enforces laws; a legislator.
Example
Moses is often regarded as a great lawgiver in history.
モーセは歴史の中で偉大な立法者と見なされています。
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。
C2 noun /ˈpɛd.ən.tri/

pedantry

細かい詳細やルールへの過度なこだわり
Meaning
Excessive concern with minor details or rules.
Example
His pedantry made the meeting unnecessarily long.
彼のペダントリーは会議を不必要に長くした。
C1 noun /kɔːr/

corps

軍隊の部門、グループ
Meaning
a branch of the military or a group organized for a specific purpose
Example
He joined the army corps after graduation.
彼は卒業後、軍隊の部門に参加しました。
C1 noun /ˈlɪbərəlɪzəm/

liberalism

リベラリズム
Meaning
a political and social philosophy advocating individual freedoms, democracy, and equality
Example
Liberalism emphasizes freedom of speech and human rights.
リベラリズムは言論の自由と人権を強調します。
C1 noun dɛkˈstɛr.ɪ.ti

dexterity

器用さ
Meaning
Skill in performing tasks, especially with the hands; mental skill or adroitness.
Example
His dexterity in playing the piano amazed the audience.
ピアノを弾く彼の器用さに観客は驚いた。
C1 noun /ˌæf.ɚˈmeɪ.ʃən/

affirmation

確認
Meaning
The action or process of affirming something or being affirmed; emotional support or encouragement.
Example
Daily affirmation of self-worth boosts confidence.
自己肯定の毎日の確認は自信を高めます。
B2 verb /ˈæmplɪˌfaɪ/

amplify

増幅する
Meaning
to make sounds louder; to make something larger or more significant
Example
The microphone amplifies her voice.
マイクロフォンは彼女の声を増幅させます。
C1 noun /ˈkætərækt/

cataract

白内障 / 滝
Meaning
A medical condition causing clouding of the eye's lens; also a large waterfall.
Example
The old man suffered from cataracts in both eyes.
その高齢の男性は両目に白内障を患っていました。
C2 noun /kəˈraʊzl/

carousal

騒々しいパーティー
Meaning
A noisy or lively drinking party or festivity.
Example
They were exhausted after a night of wild carousal.
彼らは一晩のワイルドな騒々しいパーティーの後、疲れ切っていた。
B2 noun /ˌdɪstrɪˈbjuːʃən/

distribution

配布
Meaning
the act of sharing or delivering something to multiple people or places
Example
The company manages the distribution of food supplies to rural areas.
その会社は農村地域への食品供給の配布を管理しています。
A2 noun /treɪ/

Tray

トレイ
Meaning
a flat, shallow container with a raised rim, used for carrying, holding, or displaying articles
Example
She carried the cups on a wooden tray.
彼女は木製のトレイでカップを運びました。
C1 noun æmˈbɪvələns

ambivalence

両義性
Meaning
Having mixed feelings or contradictory ideas about something; uncertainty or confusion.
Example
She felt ambivalence about taking the job offer.
彼女は仕事のオファーを受け入れる際に両義性を感じていた。
A2 adjective /ɪkˈsaɪtɪŋ/

exciting

ワクワクする
Meaning
Causing great enthusiasm and eagerness.
Example
The journey has been an exciting experience.
その旅は素晴らしい体験でした。
C1 noun /ˌɪnækˈtɪvɪti/

inactivity

不活動
Meaning
the state of not being active physically or mentally; lack of action
Example
Prolonged inactivity can negatively affect both physical and mental health.
長期間の不活動は身体的および精神的健康に悪影響を与えます。
C2 noun /ˌɛləˈkjuːʃn/

elocution

弁論術
Meaning
The skill of clear and expressive speech, especially in public speaking.
Example
She improved her elocution through constant practice.
彼女は継続的な練習を通じて弁論術を向上させた。
B2 noun /ˈreɪsɪzəm/

racism

人種差別
Meaning
the belief that some races are superior to others, leading to unfair treatment or prejudice
Example
The organization works to eliminate racism in all forms.
その組織はすべての形態の人種差別を排除するために取り組んでいます。
C2 adjective /əˈpɜːrtənənt/

appurtenant

附属
Meaning
Belonging to or associated with something, often used in legal/property contexts.
Example
The right of way is appurtenant to the landowner’s property.
通行権は土地所有者の財産に付随しています。
C2 noun /ˈwɪtlɪŋ/

witling

馬鹿 / 偽の賢い人
Meaning
a person who has little wit or pretends to be witty
Example
He acted like a witling among scholars.
彼は学者たちの中で馬鹿のように振る舞った。
B2 verb /trɛk/

trek

Meaning
to go on a long, difficult journey, especially on foot
Example
They trekked across the mountains for three days.
C1 adjective /ˈɑːrɡjuəbl/

arguable

議論の余地がある
Meaning
open to debate or discussion; not certain and capable of being argued for or against
Example
It is arguable that technology has improved our quality of life.
テクノロジーが私たちの生活の質を向上させたと言うのは議論の余地がある。
C2 adjective /rɪˈzɪstləs/

resistless

抗えない
Meaning
Impossible to resist; having an overpowering effect.
Example
She felt a resistless urge to laugh at the joke.
彼女はジョークで笑いたいという抗えない衝動を感じた。
C1 noun /noʊˈteɪʃən/

notation

記号法
Meaning
A system of symbols or signs used to represent information, especially in mathematics or music.
Example
The teacher explained the notation used in the algebra equations.
先生は代数方程式で使用される記号法を説明しました。
C1 verb /ˈkɒnsɔːrt/

consort

Meaning
To associate with someone, typically with disapproval; also, a spouse of a reigning monarch.
Example
He was criticized for consorting with criminals.
C2 adjective /ˈwɪloʊi/

willowy

しなやかで細く、しなやかな柳のような
Meaning
Gracefully tall, slender, and flexible, like a willow tree.
Example
She moved with a willowy elegance across the stage.
彼女はステージをウィロウィなエレガンスで移動した。
B2 noun /ˈtʃɒp.ər/

Chopper

Meaning
a tool with a heavy blade for chopping wood; a helicopter
Example
The lumberjack swung the chopper to cut down the tree.
伐採者は木を切るために斧を振った。
C1 noun /ˈɪn.trə.vɜːrt/

introvert

内向的
Meaning
A person who tends to be shy and prefers spending time alone rather than in groups.
Example
As an introvert, he preferred reading over attending parties.
内向的な性格として、パーティに参加するよりも読書の方が好きでした。
C1 noun /æmˈniːʒə/

amnesia

健忘症
Meaning
A partial or total loss of memory, usually caused by injury, illness, or psychological trauma.
Example
After the accident, she suffered from amnesia and could not remember her own name.
事故後、彼女はアムネジアに苦しみ、自分の名前を思い出せなかった。
C1 noun ˈtɑksɪk ɪˈmɪʃənz

toxic emissions

有毒排出
Meaning
Harmful or poisonous substances released into the environment, especially the atmosphere.
Example
Toxic emissions from vehicles pollute the atmosphere.
車両の有毒排出物が大気を汚染します。
C1 noun /ˈsɒl.ɪs/

Solace

慰め
Meaning
comfort or consolation in a time of distress or sadness
Example
She found solace in music after her loss.
彼女は失った後、音楽に慰めを見つけました。
B2 noun /ˈmet.roʊ reɪl/

Metro Rail

メトロ
Meaning
an underground urban railway system; subway system
Example
The metro rail connects all major areas of the city efficiently.
メトロレールは都市のすべての主要地域を効率的に結びつけます。