Waif
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C2 noun /weɪf/

Waif

ホームレスまたは放棄された子供; 野良の人や動物
Meaning
a homeless or abandoned child; a stray person or animal
Example
The charity helps waifs and strays find homes and families.
チャリティーはホームレスの子供たちと野良の人々が家と家族を見つける手助けをします。
C1 verb /snɪər/

sneer

冷笑する
Meaning
to smile or speak in a mocking or contemptuous way
Example
She sneered at his attempt to sing.
彼女は彼の歌おうとしたことを嘲笑した。
C2 verb /dɪˈnjuːd/

denude

裸にする
Meaning
to strip something of its covering, possessions, or assets
Example
The forest was denuded of trees by illegal logging.
違法な伐採によって森は木々を裸にされた。
C2 noun /ˌkɒnsaɪˈniː/

consignee

受取人
Meaning
the person or company to whom goods are delivered
Example
The consignee received the shipment on time.
受取人は時間通りに配送を受け取りました。
A1 noun /ˈiːv.nɪŋ/

evening

夕方
Meaning
the part of the day between afternoon and night
Example
We went for a walk in the cool evening.
私たちは涼しい夕方に散歩に行きました。
B2 noun /ˌfer.ˈwel/

Farewell

さようなら
Meaning
an act of parting or of marking someone's departure
Example
The company organized a farewell party for the retiring manager.
会社は退職するマネージャーのためにさようならパーティーを開催しました。
C2 adjective /ˈsæŋɡwɪˌnɛri/

sanguinary

血なまぐさい
Meaning
Involving or causing much bloodshed; bloodthirsty.
Example
The battle was one of the most sanguinary conflicts of the war.
その戦闘は戦争の中で最も血なまぐさい戦いの一つだった。
B1 noun /bæŋ/

Bang

突然の大きな音; 強い衝撃や打撃
Meaning
a sudden loud noise; a hard blow or hit
Example
The door closed with a loud bang that woke everyone up.
ドアが大きな音を立てて閉まり、皆を起こしました。
B2 noun, adjective /ˈsoʊʃəlɪst/

socialist

社会主義者
Meaning
a person who advocates for socialism; relating to socialism
Example
He is a well-known socialist writer.
彼は有名な社会主義者の作家です。
B1 noun /bʊk ˈsel.ər/

Book seller

本屋
Meaning
a person who sells books, especially as a business
Example
The book seller recommended a great novel for my summer reading.
本屋は私の夏の読書のために素晴らしい小説を勧めました。
B2 adjective /ˌʌnkənˈvɪnsɪŋ/

Unconvincing

信じられない
Meaning
failing to persuade or impress; not believable or credible
Example
His excuse for being late was completely unconvincing.
彼の遅刻の言い訳は完全に信じられなかった。
B2 noun kəˈmɒd.ə.ti

commodity

商品
Meaning
A raw material or primary agricultural product that can be bought and sold.
Example
Oil is a valuable commodity in the global market.
石油は世界市場で貴重な商品です。
B2 noun /ˈɑːr.mər/

Armour

鎧
Meaning
protective covering worn by soldiers; metal plating for military vehicles
Example
The knight wore heavy armour to protect himself in battle.
騎士は戦いの中で自分を守るために重い鎧を着ていました。
C2 adjective /ˈʃɪft.ləs/

shiftless

怠け者
Meaning
Lacking ambition or the ability to accomplish anything; lazy and unmotivated.
Example
He was seen as a shiftless young man with no goals.
彼は目標のない怠け者の若者として見られていた。
B2 adverb /ˈwɔːm.li/

Warmly

温かく; 愛情を込めて
Meaning
in a warm manner; with warmth; cordially; affectionately
Example
She welcomed the guests warmly at the door.
彼女はドアでゲストを温かく迎えました。
A1 noun /ˈwɛð.ɚ/

weather

天気
Meaning
The state of the atmosphere at a place and time as regards heat, dryness, sunshine, wind, rain, etc.
Example
The weather forecast predicts heavy rain tomorrow.
天気予報は明日、激しい雨が降ると予測しています。
C1 adjective /əbˈzɜːrvənt/

Observant

観察力のある
Meaning
quick to notice things; watchful; attentive
Example
The observant detective noticed every small detail at the crime scene.
観察力のある探偵は犯罪現場のあらゆる小さな詳細に気づきました。
B1 noun /ˈfiːdbæk/

feedback

フィードバック
Meaning
information or opinions about how well someone is doing something
Example
She asked her teacher for feedback on her essay.
彼女はエッセイについて先生にフィードバックを求めました。
C1 noun /ˌkɒndʒʊˈɡeɪʃən/

conjugation

活用
Meaning
the variation of the form of a verb to indicate tense, person, and number
Example
French verbs have complex conjugations.
フランス語の動詞には複雑な活用形があります。
C1 adjective /ˈwɒŋki/

Wonky

不安定な; 信頼できない; 正常に動作しない
Meaning
unstable; unreliable; not working properly
Example
The old chair was wonky and wobbled every time someone sat on it.
古い椅子は不安定で、誰かが座るたびに揺れていました。
C1 noun /ˈpleɪdʒərɪzəm/

plagiarism

盗作
Meaning
the practice of taking someone else's work or ideas and passing them off as one's own
Example
The student was expelled for committing plagiarism in his essay.
学生はエッセイで盗作を行ったため、退学させられました。
C1 adjective /ˈtæn.tə.laɪ.zɪŋ/

Tantalizing

魅力的だが手の届かない
Meaning
tempting and attractive but out of reach
Example
The tantalizing aroma of fresh bread filled the bakery.
新鮮なパンの魅力的な香りがベーカリーを満たした。
C2 noun /kwiːn kreɪp ˈmɜːrtəl/

Queen crape myrtle

クイーンクレープマートル
Meaning
A flowering tree with colorful, crepe-like flowers, scientifically known as Lagerstroemia
Example
The Queen crape myrtle bloomed beautifully in the garden with its purple flowers.
クイーンクレープマートルは庭で紫色の花とともに美しく咲きました。
C2 verb /ˈpælpɪˌteɪt/

palpitate

速く脈打つ
Meaning
to beat rapidly and strongly, often because of fear, excitement, or illness
Example
Her heart began to palpitate with fear.
彼女は恐怖で心臓がパルピテイトし始めた。
A2 noun /ˈbraʊzər/

browser

ブラウザー
Meaning
a software application for accessing information on the World Wide Web.
Example
I use a web browser to search for information online.
私はオンラインで情報を検索するためにウェブブラウザーを使用します。
C2 verb /ˈproʊtjuːbəreɪt/

protuberate

膨らむ
Meaning
To swell out or bulge.
Example
The roots began to protuberate from the ground.
根は地面から膨らみ始めました。
B2 adjective /ɪsˈlɑːmɪk/

islamic

イスラームの
Meaning
relating to Islam, its followers, or its teachings
Example
The city has many Islamic cultural centers.
その都市には多くのイスラーム文化センターがあります。
C1 adjective /ˈtɛmpərəl/

temporal

世俗的な、時間的な
Meaning
Relating to worldly affairs or to time rather than spiritual matters.
Example
The monk gave up his temporal possessions to live a simple life.
僧侶は彼の世俗的な所有物を放棄して、簡素な生活を送りました。
B2 verb /ˈrendər/

render

提供する
Meaning
to provide or give; to make or cause to become
Example
The artist renders the scene beautifully.
アーティストはシーンを美しく表現します。
C1 noun /ˌɪn.dʒəˈnjuː.ɪ.ti/

ingenuity

独創性
Meaning
The quality of being clever, original, and inventive.
Example
His ingenuity led to groundbreaking innovations.
彼の創意工夫は画期的な革新を生み出しました。
A1 noun /ˈbaɪ.sɪ.kəl/

Bicycle

自転車
Meaning
A vehicle with two wheels that you pedal to make it move
Example
She rides her bicycle to work every day.
彼女は毎日自転車で仕事に行きます。
C1 adjective /daɪˈvɜːrsɪfaɪd/

diversified

多様化された
Meaning
Made or having variety in form, nature, or content.
Example
The company adopted a diversified business strategy to reduce risks.
その会社はリスクを減らすために多様化されたビジネス戦略を採用した。
C1 verb /əˈprɛs/

oppress

抑圧する
Meaning
to keep someone down by harsh and unfair use of authority; to suppress
Example
The dictator oppressed the people for decades.
独裁者は何十年も人々を抑圧した。
C2 noun /ˈɔːriˌoʊl/

aureole

オーラ
Meaning
A halo or radiance surrounding the head or body, often in religious art.
Example
The painting showed the saint with an aureole around his head.
その絵は、聖人が頭の周りにオーラを持っているのを示していました。
C2 noun /ˌmɪsˈtʃæns/

mischance

Meaning
An unfortunate accident or event; bad luck.
Example
By mischance, he missed the last train home.
B1 noun /ˈkʌˈs.təm/

Custom

習慣; 慣習; 関税;
Meaning
a traditional practice or behavior; duties levied on imports; habitual practice
Example
It is a local custom to remove shoes before entering someone's home.
他の人の家に入る前に靴を脱ぐのは、地元の習慣です。
C2 adjective /əˈluːsɪv/

allusive

暗示的
Meaning
Making indirect references or hints; suggestive without being explicit.
Example
The novel is full of allusive passages that point to classical literature.
その小説は古典文学を指し示す暗示的な部分で満ちている。
C1 noun /ˌɪnkɑːrˈneɪʃən/

incarnation

化身
Meaning
the embodiment of a deity, spirit, or quality in a physical form
Example
The monk was considered the incarnation of compassion.
その僧侶は慈悲の化身と見なされていた。
B2 noun /ˈmʌð.ər.hʊd/

Motherhood

母性
Meaning
the state of being a mother; the qualities of a mother
Example
She embraced the joys and challenges of motherhood.
彼女は母性の喜びと挑戦を受け入れました。
B2 adjective /kɔːrs/

coarse

粗い, ざらざら
Meaning
Rough in texture or manner; not smooth or refined.
Example
The fabric felt coarse to the touch.
その布は触るとざらざらしていた。
A2 noun /fraɪd raɪs/

Fried rice

チャーハン
Meaning
a dish of cooked rice that has been stir-fried in a wok or frying pan
Example
We ordered chicken fried rice from the Chinese restaurant.
私たちは中国料理店からチキンフライドライスを注文しました。
B1 adjective /ˈhoʊli/

Holy

神聖な; 神や宗教目的に捧げられた; 道徳的で精神的に優れた
Meaning
sacred; dedicated to God or religious purposes; morally and spiritually excellent
Example
The holy shrine attracts thousands of pilgrims every year.
その聖地は毎年何千人もの巡礼者を引き寄せます。
C2 verb /dɪˈnɒmɪˌneɪt/

denominate

命名する
Meaning
to give a name or designation to something
Example
The currency was denominated in dollars.
その通貨はドルで denominated されました。
B2 verb /wɪðˈdrɔː/

withdraw

引き出す
Meaning
to take money out of an account; to remove or pull back
Example
She needs to withdraw money from the bank.
彼女は銀行からお金を引き出さなければならない。
A2 verb /əˈreɪndʒ/

arrange

並べる
Meaning
to organize or put in order; to plan or prepare
Example
She arranged the flowers in a vase.
彼女は花を花瓶に並べた。
A2 noun /nek/

Neck

首
Meaning
the part of the body connecting the head to the shoulders
Example
She wore a beautiful necklace around her neck.
彼女は首に美しいネックレスをしていた。
A2 noun /ˈvɪzɪtər/

visitor

訪問者
Meaning
a person who goes to see a place or someone for a short time
Example
The museum had many visitors last weekend.
博物館には先週末、多くの訪問者がいました。
B1 adverb /ɪˈventʃuəli/

Eventually

最終的に; 結局
Meaning
in the end; finally; at last
Example
After years of hard work, she eventually became a doctor.
何年もの努力の後、彼女は最終的に医者になった。
C1 adjective /pɪˈkjuːniˌɛri/

pecuniary

財政的な
Meaning
relating to money or financial matters
Example
They faced pecuniary difficulties after the business failed.
彼らはビジネスが失敗した後、財政的な困難に直面しました。
A1 preposition /ɪn/

in

中
Meaning
expressing the situation of being enclosed or surrounded by something
Example
She is in the kitchen preparing dinner.
彼女は台所で夕食を準備している。
C1 noun /ˈɡɑːr.lənd/

Garland

花冠; ガーランド;
Meaning
a wreath of flowers and leaves, worn on the head or hung as decoration
Example
The bride wore a beautiful floral garland during the traditional ceremony.
花嫁は伝統的な式典で美しい花の冠を身に着けていました。
C2 noun /ˈsɑːrdʒənt ət ɑːrmz/

sergeant-at-arms

会議警備員
Meaning
An officer responsible for maintaining order during meetings or legislative sessions.
Example
The sergeant-at-arms escorted the disruptive member out of the hall.
会議警備員は、秩序を乱すメンバーを会場から退場させました。
C2 adjective /ˌɪnˌɑːpərˈtuːn/

inopportune

タイミングが悪い瞬間
Meaning
Happening at a bad or inconvenient time.
Example
His call came at the most inopportune moment.
彼の電話は最もタイミングが悪い瞬間にかかってきた。
A2 noun ˌpɒpjuˈleɪʃən

population

人口
Meaning
All the inhabitants of a particular place; the number of people living in a country or region.
Example
The population supported autonomy.
人口は自治を支持しました。
B2 adjective /ˈmɛtrɪk/

metric

メトリック
Meaning
Relating to the metric system of measurement; also, a standard of measurement used to assess performance.
Example
The company tracks success using clear performance metrics.
会社は明確なパフォーマンス指標を使用して成功を追跡しています。
C1 verb /ˈwaɪtˌwɑːʃ/

whitewash

Meaning
to cover up faults, errors, or unpleasant facts; to paint with white paint or lime
Example
The report was criticized for trying to whitewash the company's failures.
B2 verb /ɪˈrʌpt/

erupt

噴火する
Meaning
to burst forth suddenly and violently
Example
The volcano erupted after centuries of dormancy.
火山は何世紀もの間沈黙していた後、エラプトしました。
C1 noun ˈdɪskɔrd

discord

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

vibrate

振動する
Meaning
To move or cause to move continuously and rapidly back and forth.
Example
The phone began to vibrate on the table.
電話がテーブルの上で振動し始めました。
C2 adjective /ræpˈtɔːriəl/

raptorial

肉食鳥
Meaning
Relating to birds of prey or predatory behavior.
Example
The eagle is a raptorial bird with sharp talons.
ワシは鋭い爪を持つ肉食鳥です。
A2 adjective /ˈpɜːrfɪkt/

Perfect

完璧な; 欠点のない; 優れた
Meaning
flawless; excellent; without fault
Example
She delivered a perfect performance on stage.
彼女は完璧なパフォーマンスを披露しました。
C1 adjective /ɪˈniː.bri.eɪ.tɪd/

inebriated

酔っ払った
Meaning
under the influence of alcohol; drunk
Example
He stumbled into the room completely inebriated.
彼は完全に酔っ払って部屋に入ってきた。
C2 noun /ˈpɒliˌɑːrki/

polyarchy

ポリアーキー
Meaning
government by many people
Example
Polyarchy allows multiple parties to share power.
ポリアーキーは複数の政党が権力を共有することを許可します。
C2 adjective /ˌhæfˈbeɪkt/

half-baked

中途半端
Meaning
poorly thought out or badly planned
Example
The manager quickly rejected his half-baked proposal.
マネージャーは彼の中途半端な提案をすぐに却下しました。
C1 noun /prəˌlɪf.əˈreɪ.ʃən/

proliferation

急増
Meaning
Rapid increase in the number or amount of something; rapid multiplication or growth.
Example
The proliferation of malware is a growing concern.
マルウェアの急増は懸念事項です。
C1 verb /lætʃ/

latch

ラッチで閉める
Meaning
to fasten or close something with a latch
Example
She latched the door before leaving the house.
彼女は家を出る前にドアをラッチで閉めた。
C1 noun /ˈpəʊstˌskrɪpt/

postscript

追伸
Meaning
an additional remark at the end of a letter or text, after the signature
Example
She added a brief postscript to thank him again.
彼女は再度彼に感謝するために簡単な追伸を加えました。
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。
C1 noun/verb /reɪn/

rein

Meaning
A strap used to control a horse; to control or guide something.
Example
The rider pulled the rein to stop the horse.
A2 noun /stɛps/

steps

ステップ
Meaning
A measure or action, especially one of a series taken in order to deal with or achieve a particular thing.
Example
Taking small steps reduces overwhelm.
小さなステップを踏むことで圧倒的なプレッシャーが減少します。
C1 adjective /ˌæntiˈsleɪvəri/

antislavery

奴隷制度反対
Meaning
Opposed to the practice or system of slavery.
Example
The antislavery movement gained momentum in the 19th century.
奴隷制度反対運動は19世紀に勢いを増した。
C1 verb /səbˈsɪst/

subsist

生き延びる
Meaning
To maintain or support oneself, especially at a minimal level.
Example
Many villagers still subsist on fishing and farming.
多くの村人は今でも漁業と農業で生計を立てています。
C2 verb /ɪnˈræptʃər/

enrapture

魅了する
Meaning
To fill someone with great delight or joy.
Example
The beautiful music enraptured the audience.
美しい音楽は観客を魅了しました。
C2 noun/adjective /ælˈbaɪ.noʊ/

albino

アルビノ (色素が欠けている人/動物)
Meaning
A person, animal, or plant lacking normal pigmentation, resulting in pale skin, hair, and eyes.
Example
The albino rabbit had white fur and pink eyes.
アルビノウサギは白い毛とピンクの目を持っていました。
C1 adjective /ʌnˈhoʊli/

Unholy

不浄な; 邪悪な; 不敬な
Meaning
wicked; sinful; profane
Example
The unholy alliance between the two companies caused public outrage.
その二つの会社の間の不浄な提携は、公共の怒りを引き起こしました。
B2 noun/verb /stʌmp/

stump

木の切り株、困惑させる
Meaning
the base of a tree left after the trunk is cut down; to puzzle or confuse
Example
The question completely stumped the students.
その質問は学生たちを完全に困らせました。
C1 noun /sloʊθ/

Sloth

怠惰; 仕事や努力をすることに対する reluctance
Meaning
laziness; reluctance to work or make an effort
Example
His sloth prevented him from achieving his goals.
彼の怠惰は、目標達成を妨げました。
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.
C1 noun /pəˈlɪɡ.ə.mi/

Polygamy

ポリガミー
Meaning
the practice of marrying multiple spouses at the same time
Example
Polygamy is illegal in many countries around the world.
ポリガミーは世界の多くの国で違法です。
B2 adjective ˈstrʌktʃərəl

structural

構造的
Meaning
Relating to or forming part of a structure.
Example
The structural integrity of the bridge was tested after the storm.
橋の構造的な完全性は嵐の後にテストされました。
C2 noun /ˌvɛrɪsɪˈmɪlɪtjuːd/

verisimilitude

真実味
Meaning
the appearance of being true or real
Example
The movie was praised for its verisimilitude to actual events.
その映画は実際の出来事に対する真実味で賞賛されました。
C2 adjective/noun /haɪˈbɜːrniən/

hibernian

アイリッシュ
Meaning
Relating to Ireland or the Irish.
Example
He enjoyed reading about Hibernian culture and history.
彼はハイバーニアン文化と歴史について読むのが好きでした。
B1 noun /ˌkjʊr.iˈɑs.ɪ.ti/

Curiosity

好奇心; 異常または興味深い物事
Meaning
a strong desire to know or learn something; an unusual or interesting object or fact
Example
Her curiosity about different cultures led her to travel around the world.
彼女の異文化への好奇心は、彼女を世界中に旅行させました。
C1 verb /kɜːrˈteɪl/

curtail

制限する
Meaning
to reduce or limit something, especially something considered undesirable
Example
The company had to curtail its spending due to budget cuts.
予算削減のため、会社は支出を削減しなければなりませんでした。
B1 noun /prəʊ/

pro

プロフェッショナル
Meaning
a professional, especially in sports; or a person who is in favor of something
Example
He plays tennis like a pro.
彼はプロのようにテニスをプレーします。
B1 noun /ˈɑː.lɪv/

Olive

オリーブ
Meaning
a small oval fruit with a hard pit, typically green or black, used for eating or making oil
Example
Olive oil is considered one of the healthiest cooking oils available.
オリーブオイルは、最も健康的な料理用オイルの一つと見なされています。
C1 adjective /ˈɜːrθi/

earthy

土のような / シンプル
Meaning
resembling or suggestive of earth or soil; simple, natural, and sometimes coarse
Example
The dish had a rich, earthy flavor from the mushrooms.
その料理はきのこからの豊かな土のような味がしました。
C1 adjective /ˈʌndərhænd/

underhand

不正
Meaning
done secretly and dishonestly; deceitful
Example
The politician was accused of using underhand tactics to win the election.
その政治家は選挙に勝つために不正な手段を使ったとして非難されました。
B2 noun /ɡreɪv/

Grave

墓
Meaning
a hole dug in the ground to receive a coffin; a place of burial; serious or solemn
Example
The family visited the grave of their beloved grandfather every Sunday.
家族は毎週日曜日に愛する祖父の墓を訪れていました。
C2 verb /ʌpˈbreɪd/

upbraid

叱る
Meaning
To scold or criticize someone harshly.
Example
The teacher upbraided the student for being late again.
教師は学生がまた遅刻したことを叱りました。
A1 adjective /əˈfreɪd/

afraid

怖がっている
Meaning
feeling fear or anxiety; worried that something undesirable will happen
Example
She was afraid of the dark.
彼女は暗闇を怖がっていた。
A2 noun /səˈpraɪz/

surprise

驚き
Meaning
a sudden and unexpected event or situation
Example
His arrival was a pleasant surprise.
彼の到着は嬉しい驚きでした。
B2 noun /ˈkaʊnsəlɪŋ/

counseling

カウンセリング
Meaning
professional guidance or therapy to help resolve personal or psychological problems
Example
She decided to go for counseling after feeling stressed for months.
数ヶ月間ストレスを感じた後、彼女はカウンセリングを受けることを決意しました。
B2 adjective /ˈpæʃənət/

passionate

情熱的な
Meaning
showing or caused by strong feelings or a strong belief
Example
He is passionate about environmental conservation.
彼は環境保護に情熱を注いでいます。
A1 verb /sel/

sell

売る
Meaning
to give something to someone in exchange for money
Example
They sell fresh fruits at the market.
彼らは市場で新鮮な果物を売っています。
B2 adverb /ʌnˈsɜːrtənli/

uncertainly

不確かに
Meaning
in a way that shows doubt or lack of certainty
Example
She glanced uncertainly at the complicated instructions.
彼女は複雑な指示を不確かに見つめた。
B2 noun ˈkɛmɪkəl weɪst

chemical waste

化学廃棄物
Meaning
Waste material from industrial or laboratory processes that contains harmful chemicals.
Example
Chemical waste pollutes water bodies.
化学廃棄物は水域を汚染します。
B1 verb /rɪˈflekt/

reflect

反映する
Meaning
to think deeply about; to mirror back light or image
Example
The mirror reflects her beautiful face.
鏡は彼女の美しい顔を反映しています。
C1 noun prəˈpɛn.sə.ti

propensity

傾向または自然な傾向
Meaning
An inclination or natural tendency to behave in a particular way.
Example
He has a propensity for taking risks in business.
彼はビジネスでリスクを取る傾向がある。
C2 verb /ˈtʃæfɪŋ/

chaffing

からかう
Meaning
Teasing or joking in a lighthearted way.
Example
They were chaffing each other during lunch.
彼らは昼食中にお互いに冗談を言っていた。
C1 verb /kɑːrp/

carp

不平を言う
Meaning
to complain or find fault continually, often about trivial matters
Example
She tends to carp about the smallest inconveniences.
彼女は最小の不便さについても不平を言う傾向がある。
B1 noun /ˈwiːltʃeər/

wheelchair

車椅子
Meaning
a chair with wheels, used by people who cannot walk easily or at all
Example
The hospital provided a wheelchair for the injured patient.
病院は怪我をした患者のために車椅子を提供した。
B2 noun /nɒsˈtæl.dʒə/

nostalgia

ノスタルジア
Meaning
A sentimental longing for the past, typically for a period or place with happy personal associations.
Example
Listening to old songs fills me with nostalgia.
古い歌を聞くと、ノスタルジアで満たされます。
C1 noun ˌɪm.pʌlˈsɪv.ɪ.ti

impulsivity

衝動性
Meaning
The tendency to act quickly and without thought or care; lack of self-control.
Example
His impulsivity led him to make reckless choices.
彼の衝動性は、無謀な選択をさせた。
A2 noun/verb /kənˈsɜːrn/

concern

Meaning
to relate to or affect; a matter of worry or interest
Example
Environmental issues concern all of us.
C2 adjective /ˈmɒθ ˌiːtən/

moth-eaten

虫に食べられた
Meaning
Damaged or worn out, especially by moths or age.
Example
He wore a moth-eaten sweater on the cold day.
彼は寒い日に虫に食べられたセーターを着ていた。
C2 noun /məˈʃiː.nɪst/

machinist

機械工
Meaning
a person who operates machine tools or makes and repairs machines
Example
The machinist carefully adjusted the gears on the lathe.
マシニストは旋盤のギアを慎重に調整しました。
C2 verb /ˌmɪs.əˈtrɪb.juːt/

misattribute

誤って帰属する
Meaning
to incorrectly credit something, such as a work or remark, to the wrong person or source
Example
The quote was misattributed to Shakespeare.
その引用はシェイクスピアに誤って帰属されました。
B2 noun /ɪˈfɛktɪvnəs/

effectiveness

効果
Meaning
the degree to which something is successful in producing a desired result.
Example
The effectiveness of the new policy is still being evaluated.
新しい政策の効果はまだ評価中です。
B2 noun /ˈnuː.səns/

Nuisance

迷惑; 不便;
Meaning
a person, thing, or circumstance causing inconvenience or annoyance
Example
The constant noise from construction is a real nuisance.
建設の絶え間ない騒音は本当の迷惑です。
C1 adjective /ˌlaɪtˈhɑːrtɪd/

light-hearted

軽やかで無頓着な
Meaning
cheerful, carefree, and not serious
Example
She gave a light-hearted speech at the party.
彼女はパーティーで軽快なスピーチをしました。
B2 noun /ˈwɪkɪdnəs/

wickedness

邪悪、悪行
Meaning
Evil or morally bad behavior.
Example
The story highlights the wickedness of the cruel king.
その物語は、残虐な王の悪行を強調しています。
B2 noun /ˈædvəkəsi/

advocacy

擁護
Meaning
public support for or recommendation of a particular cause or policy
Example
Her advocacy for children's rights earned her international recognition.
彼女の子どもの権利への擁護は、国際的な認知を得た。
C1 verb /dʒɒt/

jot

素早く短く書く
Meaning
to write something quickly and briefly
Example
She jotted down his phone number on a napkin.
彼女はナプキンに彼の電話番号を素早く書き留めました。
C1 verb /ˌriːˈvaɪ.t̬əl.aɪz/

revitalize

再活性化する
Meaning
To restore energy and effectiveness to something.
Example
The new policies aim to revitalize the economy.
新しい政策は経済を再活性化することを目的としています。
B2 adjective /ˌʌnrɪˈlaɪəbl/

Unreliable

信頼できない; 信頼や依存ができない
Meaning
not dependable; not able to be trusted or relied upon
Example
The old car is unreliable and breaks down frequently.
その古い車は信頼できず、よく壊れます。
C2 verb /bɪˈfɒɡ/

befog

ぼやけさせる
Meaning
to confuse or make unclear; to cover with fog or mist
Example
His mind was befogged by exhaustion.
彼の心は疲れによってぼやけていた。
C2 noun /ˈsʌfrədʒɪst/

suffragist

女性参政権運動家
Meaning
a person advocating the extension of suffrage, especially to women
Example
The suffragists organized rallies to demand voting rights for women.
女性参政権運動家たちは女性の投票権を求めて集会を開いた。
C1 verb /ˈpɜːrkəleɪt/

percolate

Meaning
To filter gradually through a porous surface or substance; to spread slowly.
Example
The rainwater percolated through the soil into the groundwater.
C1 noun /ˈlæb.ə.rɪnθ/

labyrinth

迷路, 複雑な道のネットワーク
Meaning
A complicated network of paths or passages; an intricate and confusing arrangement.
Example
The city's streets were like a labyrinth.
街の通りは迷路のようだった。
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。