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B2 verb /ɪkˈstrækt/

extract

抽出する
Meaning
to remove or take out something, often with effort
Example
The dentist had to extract the damaged tooth.
歯医者は損傷した歯を抜かなければならなかった。
B1 noun /kəʊˌɒp.ərˈeɪ.ʃən/

cooperation

協力
Meaning
The process of working together to the same end.
Example
Cooperation ensures effective problem-solving.
協力は効果的な問題解決を確保します。
C1 adjective /ˈɡraʊnd.ləs/

Groundless

根拠がない; 理由がない
Meaning
without foundation or justification; baseless
Example
His accusations against her were completely groundless.
彼の彼女に対する非難は完全に根拠がなかった。
C2 adjective /məˈlɛfɪsənt/

maleficent

邪悪
Meaning
Causing harm or destruction, especially by supernatural means.
Example
The maleficent witch cursed the young princess.
その悪しき魔女は若い王女に呪いをかけました。
C2 noun /ˈluːkər/

lucre

利益
Meaning
money, especially when regarded as sordid or gained dishonorably
Example
He was motivated more by lucre than by duty.
彼は義務よりも利益に動機づけられていました。
C2 adjective /ˈplɛntɪəs/

plenteous

豊富
Meaning
existing in great quantity; abundant
Example
The harvest was plenteous, providing enough food for the entire village.
収穫は豊富で、村全体に十分な食料を提供しました。
B2 noun /θaɪ/

thigh

太もも
Meaning
the part of the leg between the hip and the knee
Example
He felt pain in his right thigh after running for an hour.
1時間走った後、右太ももに痛みを感じました。
B1 noun/adjective /ˌdɒkjʊˈmɛntri/

documentary

ドキュメンタリー映画
Meaning
A film or television program that provides a factual record or report.
Example
We watched a documentary about climate change.
私たちは気候変動についてのドキュメンタリー映画を見ました。
C2 noun /pəˈtiːnə/

patina

金属、石、または木材の表面に年齢または使用によって形成される薄い膜または光沢; また、表面的な外観
Meaning
a surface film or sheen on metal, stone, or wood due to age or use; also, a superficial appearance
Example
The bronze statue developed a green patina after years in the sea air.
海風に数年さらされた後、青銅の像には緑色のパティナが形成されました。
B2 adjective /self səˈfɪʃənt/

Self-sufficient

自給自足
Meaning
able to provide for oneself without depending on others
Example
The farm is completely self-sufficient in producing vegetables.
その農場は野菜の生産に完全に自給自足です。
B2 verb /ˈkɒmbæt/

combat

戦う
Meaning
to fight against something, especially to reduce or stop it
Example
The government is taking steps to combat corruption.
政府は汚職と戦うための措置を講じています。
B1 noun /ˈtreʒər/

Treasure

宝物
Meaning
a quantity of precious metals, gems, or other valuable objects; something of great worth or value
Example
The pirates buried their treasure on the island.
海賊たちは島に宝物を埋めました。
C1 noun /tiː ˈstreɪnər/

Tea-strainer

茶こし
Meaning
a small perforated device used to strain tea leaves from brewed tea
Example
I always use a tea-strainer when pouring tea into cups.
私はお茶をカップに注ぐとき、いつも茶こしを使います。
C1 noun /ˈweɪs(t).koʊt/

waistcoat

ベスト
Meaning
a sleeveless garment worn over a shirt and under a jacket
Example
He wore a black waistcoat with his suit.
彼はスーツに黒いベストを着ていた。
C2 verb /ˈfrɪzəl/

frizzle

食べ物をカリカリで縮れた状態にする
Meaning
to fry something until it becomes crisp and curled, or to make a sizzling noise
Example
The bacon began to frizzle in the pan.
ベーコンがフライパンでシズシズ音を立てながら焼け始めました。
C1 adverb /ˌhɛdˈfɜrst/

headfirst

頭から
Meaning
With the head leading; in a reckless or hasty manner.
Example
He dived headfirst into the pool.
彼は頭から飛び込んだ。
C2 adjective /ˌɛvəˈnɛsənt/

evanescent

儚い
Meaning
Quickly fading or disappearing; lasting for only a very short time.
Example
The beauty of the sunset was evanescent, fading within minutes.
夕日の美しさは儚く、数分で消えてしまった。
C1 adjective /ˌkɒnsɪˈkwɛnʃəl/

consequential

重要な
Meaning
Having important or significant consequences; resulting from something.
Example
The meeting was consequential for the future of the project.
その会議はプロジェクトの未来にとって重要でした。
C1 noun /ˈrɛzɪn/

resin

樹脂
Meaning
a sticky organic substance, usually secreted by plants, often used in varnishes or plastics
Example
The craftsman used natural resin to make the sculpture shine.
職人は彫刻を輝かせるために天然の樹脂を使用しました。
C1 verb /ˌkɒntrəˈviːn/

contravene

違反する
Meaning
to go against or act in opposition to a law, rule, or agreement
Example
He contravened the safety regulations and was fined.
彼は安全規則に反したため、罰金を科せられました。
A2 noun, verb /ˈmætər/

matter

問題 / 重要
Meaning
A subject or situation under consideration; to be important.
Example
It doesn’t matter what others think.
他人がどう思うかは関係ない。
C2 verb /ɪˈniː.bri.eɪt/

inebriate

Meaning
to intoxicate; to make someone drunk
Example
The strong wine was enough to inebriate even the most experienced drinker.
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。
B1 verb /ˈtrɪp.əl/

triple

Meaning
To increase or become three times as much.
Example
The company tripled its profits in just one year.
B1 noun /kənˈvɛnʃən/

convention

コンベンション
Meaning
a widely accepted way of behaving or doing something; a formal meeting
Example
The annual writers' convention was held in Dhaka.
作家の年次コンベンションはダッカで開催されました。
C1 noun /helm/

Helm

舵
Meaning
a tiller or wheel for steering a ship or boat; a position of leadership or control
Example
The experienced captain took the helm and expertly navigated the ship through the storm.
経験豊富な船長は舵を取って、嵐の中で巧みに船を操縦しました。
C2 verb /ʃʌk/

shuck

殻を剥く
Meaning
To remove the outer covering, such as the husk of corn or shell of shellfish.
Example
She learned how to shuck oysters quickly.
彼女は牡蠣の殻を素早く剥く方法を学びました。
C1 adjective /rɪˈvɜː.sə.bəl/

Reversible

可逆的な
Meaning
able to be turned the other way around; able to be undone or changed back
Example
This jacket is reversible and can be worn on both sides.
このジャケットはリバーシブルで、両面で着られます。
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。
C1 noun /ˈʌlsər/

ulcer

Meaning
a sore on the skin or a mucous membrane that does not heal easily
Example
The doctor prescribed medicine to treat the stomach ulcer.
A2 verb /kwɪt/

quit

やめる
Meaning
to stop doing something; to leave a job or position
Example
She decided to quit her job and start her own business.
彼女は仕事をやめて自分のビジネスを始めることにした。
B2 adjective /ˈslʌɡ.ɪʃ/

Sluggish

遅い; 鈍い; 非活動的
Meaning
slow-moving; lacking energy or alertness; inactive
Example
The old computer became sluggish after running for hours.
古いコンピュータは数時間動かした後、遅くなった。
A2 noun /pərˈmɪʃən/

permission

許可
Meaning
the action of allowing or granting consent
Example
You need permission to enter the restricted area.
制限区域に入るには許可が必要です。
C1 verb /ˌriːˈsiːt/

reseat

再座席
Meaning
to seat someone again or to fit something back into its place
Example
The usher had to reseat the guests after the interruption.
接客係は中断後、ゲストを再座席させなければならなかった。
A2 adjective /miːn/

Mean

意地悪; 残酷; 嫌な
Meaning
unkind; cruel; nasty
Example
Don't be so mean to your little sister.
小さな妹にそんなに意地悪しないで。
C2 noun /dʒæm/

jamb

ドア枠
Meaning
The side post or surface of a doorway, window, or fireplace.
Example
The carpenter carefully measured the width of the door jamb.
大工はドア枠の幅を慎重に測定した。
A2 noun /læmp/

Lamp

ランプ
Meaning
a device for giving light, either one using electricity or burning gas or oil
Example
She turned on the reading lamp to illuminate her book.
彼女は本を照らすために読書ランプをつけました。
C1 noun /ˌriː.pəˈkʌʃ.ən/

repercussion

影響
Meaning
An unintended consequence occurring some time after an event or action.
Example
The economic crisis had severe repercussions on global trade.
経済危機は世界貿易に深刻な影響を与えました。
B1 noun /weɪl/

Whale

鯨
Meaning
a very large marine mammal with a streamlined hairless body, a horizontal tail fin, and a blowhole on top of the head for breathing
Example
The blue whale is the largest animal ever known to have lived on Earth.
シロナガスクジラは、地球上でこれまでに知られている最大の動物です。
C2 adverb /bɪˈtaɪmz/

betimes

早く
Meaning
early; in good time
Example
She rose betimes to finish her work.
彼女は仕事を終わらせるために早く起きました。
C1 noun /dɪˈmaɪz/

demise

死 / 終わり
Meaning
Death or end of something, especially the end of an institution or system.
Example
The sudden demise of the company shocked investors.
会社の突然の倒産は投資家を驚かせました。
A2 noun /sɔːlt/

Salt

塩
Meaning
white crystalline substance used for seasoning food; sodium chloride
Example
Please add some salt to the soup to enhance its flavor.
風味を引き立てるために、スープに塩を少し加えてください。
C1 noun /ˈrɛt.ər.ɪk/

rhetoric

効果的または説得力のある話し方または書き方の技術
Meaning
The art of effective or persuasive speaking or writing; skillful use of language to influence others.
Example
Political leaders often use rhetoric to influence people.
政治指導者たちはしばしば人々に影響を与えるためにレトリックを使います。
A2 adjective /ˈmɒdən/

modern

現代的
Meaning
relating to the present or recent times, not ancient or old-fashioned
Example
They live in a modern apartment with new facilities.
彼らは新しい設備のある現代的なアパートに住んでいます。
A1 pronoun /ðoʊz/

those

それら
Meaning
used to refer to people or things that are far away or distant in space, time, or thought
Example
Those are the shoes I want.
それらは私が欲しい靴です。
B2 noun /rɪˈstreɪnt/

Restraint

抑制; 自制
Meaning
the action of keeping someone or something under control; self-control
Example
She showed great restraint in not responding to the criticism.
彼女は批判に反応しなかったことに大きな自制心を見せた。
C1 noun /pəˈvɪliən/

pavilion

パビリオン
Meaning
A large tent or temporary building, often used for events or exhibitions.
Example
The wedding reception was held in a decorated pavilion.
結婚式のレセプションは装飾されたパビリオンで開催されました。
B2 verb /ɪmˈpoʊzd/

imposed

課す
Meaning
forced something to be accepted or put in place
Example
The government imposed new regulations on the industry.
政府は産業に新しい規制を課した。
C1 noun /ˈlɛdʒɪsleɪtər/

legislator

立法者
Meaning
a person who makes laws, especially a member of a legislative body
Example
The legislator introduced a bill to improve healthcare.
立法者は医療サービス改善のために法案を提出しました。
C2 adjective /ˈlæm.ən.tə.bəl/

lamentable

嘆かわしい
Meaning
deserving to be criticized or regretted; unfortunate
Example
The team’s lamentable performance disappointed their fans.
チームの嘆かわしいパフォーマンスは、ファンを失望させました。
C2 verb /ˈhʊdwɪŋk/

hoodwink

だます
Meaning
To deceive or trick someone.
Example
The scammer hoodwinked many people with false promises.
詐欺師は嘘の約束で多くの人々をだました。
B2 adjective /dɪˈzaɪərəbl/

desirable

望ましい
Meaning
worth having or wanting; attractive
Example
The location of the house was highly desirable, with great views.
その家の場所は非常に望ましく、素晴らしい景色がありました。
B2 noun /tɛkˈnɪʃən/

technician

技術者
Meaning
a person skilled in the practical aspects of a particular science, art, or job
Example
The technician repaired the computer within an hour.
技術者は1時間以内にコンピュータを修理しました。
C1 adjective /ɪɡˈzɪləreɪtɪŋ/

exhilarating

興奮させる
Meaning
Making someone feel very excited, happy, or thrilled.
Example
Skydiving was the most exhilarating experience of his life.
スカイダイビングは彼の人生で最も興奮する経験でした。
B2 adjective /ˈdɛntəl/

dental

歯科の
Meaning
relating to teeth or dentistry
Example
She goes for a dental checkup every six months.
彼女は6か月ごとに歯科検診を受けます。
B2 verb /ˈnɒmɪneɪt/

nominate

ノミネートする
Meaning
to propose someone for a position or award
Example
The committee decided to nominate her for the award.
委員会は彼女を賞にノミネートすることに決めました。
A2 adverb /ɪnˈstɛd/

instead

代わりに
Meaning
As an alternative or substitute.
Example
She didn’t buy the dress; instead, she chose a pair of shoes.
彼女はドレスを買わなかった。代わりに、彼女は靴を選んだ。
C2 noun /dɪnt/

dint

努力、衝撃の跡
Meaning
an impression or hollow made by a blow; force or power
Example
By dint of hard work, he achieved success.
努力のおかげで、彼は成功を収めました。
B2 noun /haɪˈiː.nə/

Hyena

ハイエナ
Meaning
a wild animal of Africa and Asia that looks like a dog and makes a sound like laughter
Example
The hyena laughed in the darkness of the night.
ハイエナは夜の闇の中で笑いました。
B2 noun/verb /kəˈmjuː.tɪŋ/

commuting

通勤
Meaning
Regular travel to and from workplace, daily journey for work.
Example
He spends two hours commuting to work every day.
彼は毎日仕事に行くために2時間通勤します。
B2 noun /bætʃ/

batch

一度に生産または処理されたアイテムの量
Meaning
a quantity of items produced or processed at one time
Example
She baked a fresh batch of cookies this morning.
彼女は今朝、新しいバッチのクッキーを焼いた。
A2 adverb /twaɪs/

twice

二回
Meaning
two times
Example
I have seen that movie twice.
その映画を二回見ました。
B2 noun /əˈsɜːʃən/

assertion

主張
Meaning
a confident and forceful statement of fact or belief
Example
Her assertion that she was right was met with silence.
彼女の自分が正しいという主張は、沈黙とともに受け入れられました。
C1 adjective /ˌsʌb.təˈreɪ.ni.ən/

subterranean

地下
Meaning
Existing, occurring, or done under the earth's surface.
Example
Subterranean water sources help sustain agriculture.
地下の水源は農業の維持に役立ちます。
B1 noun ˈreɪn.fɒr.ɪst

rainforest

熱帯雨林
Meaning
A luxuriant, dense forest rich in biodiversity, found typically in tropical areas with consistently heavy rainfall.
Example
The Amazon rainforest is home to millions of species.
アマゾンの熱帯雨林は数百万種の生物の家です。
B2 noun /ˈven.juː/

Venue

会場
Meaning
a place where an event or activity takes place
Example
The wedding venue was beautifully decorated.
結婚式の会場は美しく飾られていました。
C2 noun /rɪˈfrɪndʒənsi/

refringency

屈折率
Meaning
The ability of a substance to bend light; refractive power.
Example
Glass has a higher refringency than water.
ガラスは水よりも高いリフリンジェンシーを持っています。
C1 verb /ˈstæɡ.neɪt/

stagnate

停滞する
Meaning
to stop developing, progressing, or moving
Example
Without innovation, the business will stagnate.
革新がなければ、ビジネスは停滞する。
B2 noun /ˈkɒmpoʊst/

compost

堆肥
Meaning
decayed organic matter used as fertilizer
Example
The gardener added compost to enrich the soil.
庭師は土壌を豊かにするために堆肥を追加しました。
C1 noun /ɪnˈfɜː.mə.ti/

Infirmity

虚弱; 病気; 衰弱
Meaning
physical or mental weakness; a disease or ailment; frailty
Example
Despite his advanced age and various infirmities, he remained mentally sharp and alert.
高齢で多くの病気を抱えていても、彼は精神的に鋭く、警戒心を持ち続けました。
A2 noun /ˈbætəri/

battery

バッテリー
Meaning
A device that stores and provides electrical energy; also refers to a group of similar things or repeated blows.
Example
The phone battery ran out after a long day.
電話のバッテリーは長い一日の後に切れました。
C2 verb /bɪˈhuːv/

behoove

誰かが何かをすることが必要または適切である
Meaning
to be necessary, proper, or appropriate for someone to do
Example
It would behoove you to study before the exam.
試験の前に勉強することが必要です。
B1 noun fəˈsɪl.ɪ.tiz

facilities

施設
Meaning
A place, amenity, or piece of equipment provided for a particular purpose.
Example
Facilities improve industrial productivity.
施設は産業の生産性を向上させます。
C2 noun /ˌfjuːzɪˈleɪd/

fusillade

集中射撃
Meaning
A series of shots fired or missiles thrown all at the same time or in quick succession.
Example
The soldiers advanced under a fusillade of bullets.
兵士たちは集中射撃の中で前進した。
A2 adjective /blaɪnd/

blind

Meaning
Unable to see because of injury, disease, or a congenital condition.
Example
He has been blind since birth.
B2 noun /ˈsɑːrdʒənt/

sergeant

軍曹
Meaning
A rank of non-commissioned officer in the armed forces or police.
Example
The sergeant gave orders to the soldiers before the mission.
軍曹は任務の前に兵士たちに命令を出した。
B1 noun /ˈæksɛnt/

accent

アクセント
Meaning
a distinctive way of pronouncing a language, especially one associated with a particular country or region
Example
She spoke English with a strong French accent.
彼女は強いフランス語のアクセントで英語を話しました。
C2 adjective /ˈkrɒtʃ.ə.ti/

crotchety

不機嫌
Meaning
bad-tempered, easily annoyed, and often complaining
Example
The crotchety old man yelled at the children for playing near his house.
不機嫌な老人は、自分の家の近くで遊んでいる子供たちに叫んだ。
C2 noun /vəˈrɑːɡoʊ/

virago

強引で支配的な女性
Meaning
a loud, overbearing woman; historically, a strong or courageous woman
Example
The play depicted the heroine as a fierce virago who defied tradition.
その劇は、伝統に挑戦する勇敢なヴィラゴとしてヒロインを描きました。
B1 noun /mæsk/

Mask

マスク
Meaning
covering for the face or head; disguise or protection
Example
She wore a mask to protect herself from dust.
彼女はほこりから自分を守るためにマスクをしていました。
C2 noun /dɪˈstɪlər/

distiller

蒸留業者
Meaning
A person or company that makes alcoholic drinks or purified liquids by distillation.
Example
The distiller introduced a new brand of whiskey last year.
蒸留業者は昨年、新しいウイスキーブランドを紹介しました。
B2 noun /heə(r)/

Hare

野ウサギ
Meaning
a fast-running long-eared mammal that resembles a large rabbit
Example
The hare quickly ran across the field.
その野ウサギはフィールドを素早く走りました。
A1 adverb /təˈdeɪ/

Today

今日
Meaning
on this day; at the present time
Example
Today is a beautiful day for a walk.
今日は散歩にぴったりの美しい日です。
C1 noun /peɪˈiː/

payee

受取人
Meaning
A person to whom money is paid or is to be paid.
Example
The payee must sign the check before cashing it.
受取人は小切手を現金化する前に署名する必要があります。
B1 noun /dɪsk/

disk

ディスク / データ保存装置
Meaning
a flat, circular object, often used to store data electronically
Example
All the data is saved on a hard disk.
すべてのデータはハードディスクに保存されています。
B1 noun /ˈhaɪ.weɪ/

highway

高速道路
Meaning
A main road, especially one connecting major towns or cities.
Example
The highway was blocked due to an accident.
事故のため高速道路は封鎖されていました。
B2 noun /ˈliːf.lət/

Leaflet

チラシ; 広告
Meaning
a printed sheet of paper containing information or advertising and usually distributed free
Example
She handed out leaflets about the environmental campaign.
彼女は環境運動についてのチラシを配布しました。
C1 verb /ˈpærəfreɪz/

paraphrase

幸福
Meaning
To express the meaning of something using different words, often to make it clearer.
Example
The teacher asked the students to paraphrase the poem in their own words.
彼女は賞を受け取ったとき、自分の幸せを隠せなかった。
B2 adjective /ˈmæn.ju.əl/

Manual

手動
Meaning
done by hand; operated by hand; not automatic
Example
This is a manual process that requires careful attention.
これは手動プロセスで、慎重な注意が必要です。
B1 noun /ˌfɜːrst ˈeɪd/

first aid

応急処置
Meaning
Immediate assistance given to a sick or injured person until full medical treatment is available
Example
He gave first aid to the injured cyclist before the ambulance arrived.
彼は救急車が来る前に、負傷した自転車乗りに応急処置を施した。
C1 verb /məˈtɪərɪəlaɪz/

materialize

実現する
Meaning
To become real or actual; to appear suddenly or in a physical form.
Example
The opportunity he had been waiting for finally materialized.
彼が待っていたチャンスはついに実現しました。
B2 verb /dæʃ/

dash

Meaning
to move quickly and suddenly; to strike or break something violently
Example
She dashed across the street to catch the bus.
A2 verb /ˈloʊər/

lower

下げる
Meaning
to move something to a lower position or to reduce
Example
The company decided to lower the prices.
会社は価格を引き下げることを決定しました。
B2 verb /rɪˈtriːt/

retreat

撤退する
Meaning
to move back or withdraw from a position or situation
Example
The soldiers had to retreat after losing the battle.
兵士たちは戦いに負けた後、撤退しなければならなかった。
C2 noun /ˈpɑr.bəl/

Parbal

尖ったウリ
Meaning
A green vegetable also known as pointed gourd, commonly used in South Asian cuisine
Example
Mother prepared parbal curry with fish.
母は魚と一緒に尖ったウリのカレーを作りました。
C1 adjective /ˈmɪnəskjuːl/

minuscule

微細
Meaning
extremely small in size or importance
Example
She made only a minuscule contribution to the project.
彼女はプロジェクトにほんのわずかな貢献をしました。
B1 noun /ˈklaɪənt/

client

クライアント
Meaning
A person or organization using the services of a professional or company.
Example
The lawyer met with her client to discuss the case.
弁護士はクライアントと会ってケースを話し合った
A2 adjective /streɪt/

Straight

まっすぐな; 直線的な; 正直な;
Meaning
extending or moving uniformly in one direction; not curved or bent; honest
Example
Draw a straight line from point A to point B.
ポイントAからポイントBまでまっすぐな線を引いてください。
C1 noun /ˈpɛsəl/

pestle

杵
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。
C1 noun /əˈpɒlədʒɪst/

apologist

擁護者
Meaning
a person who defends or justifies something, often a controversial belief or institution
Example
He is known as an apologist for authoritarian regimes.
彼は権威主義的な政権の擁護者として知られています。
B1 noun rɪˈdʌk.ʃən

reduction

削減
Meaning
The action or fact of making a specified thing smaller or less in amount, degree, or size.
Example
Greenhouse gas reduction is a primary global goal.
温室効果ガスの削減は主要な地球規模の目標です。
B2 verb /vaʊ/

vow

誓う
Meaning
to make a serious promise; to pledge solemnly
Example
They vowed to love each other forever.
彼らは永遠に愛し合うことを誓いました。
B2 noun /ɪˈluː.ʒən/

Illusion

幻想
Meaning
a thing that is or is likely to be wrongly perceived or interpreted; a false idea or belief
Example
The magician created a spectacular illusion that made the elephant appear to vanish.
魔術師は壮観な幻想を作り、象が消えるように見えました。
A2 noun /ɪkˈskjuːs/

Excuse

言い訳
Meaning
a reason or explanation put forward to defend or justify a fault or offense
Example
Being tired is not a valid excuse for not completing your homework.
疲れていることは宿題を終わらせなかった理由にはならない。
B1 noun dɪˈskʌvəriz

discoveries

発見
Meaning
The action or process of finding or learning something for the first time; facts or things discovered.
Example
His discoveries revolutionized multiple fields.
彼の発見は複数の分野で革命を起こした。
B2 noun /ˌrep.ɪˈtɪʃ.ən/

Repetition

繰り返し
Meaning
the action of repeating something that has already been said or written
Example
Constant repetition helps students memorize vocabulary effectively.
継続的な繰り返しは、学生が語彙を効果的に覚えるのを助けます。
C1 verb /əˈpɔːl/

appall

驚かす
Meaning
To shock or horrify someone with something unpleasant or bad.
Example
The cruelty of the crime appalled the entire community.
犯罪の残酷さがコミュニティ全体を驚かせた。
A2 noun /kɔːrs/

course

コース、道または一連の教育レッスン
Meaning
a direction, path, or a set of educational lessons
Example
She enrolled in a computer science course.
彼女はコンピュータサイエンスのコースに登録しました。
B2 noun ˈfrʌn.tɪərz

frontiers

最前線
Meaning
The extreme limit of settled land beyond which lies wilderness; the limits of knowledge or achievement in a particular field.
Example
The project pushes the frontiers of space exploration.
このプロジェクトは宇宙探査の最前線を押し広げています。
C2 noun mɒnəˈtɑːskɪŋ

monotasking

一度に一つの作業を行うこと
Meaning
The practice of dedicating oneself to a given task and minimizing potential interruptions until the task is completed or a significant period of time has elapsed.
Example
Monotasking can often lead to higher quality work.
モノタスキングはしばしば高品質な仕事につながります。
B2 noun /rʌʃ/

Rush

急ぎ; ラッシュ
Meaning
a sudden quick movement toward something; a period of great activity or demand; hurry
Example
There was a rush to buy tickets for the concert.
コンサートのチケットを買うために急いでいました。
A2 noun /ˈpɛni/

penny

ペニー
Meaning
a small coin of low value; a very small amount of money
Example
He found a penny on the sidewalk and smiled.
彼は歩道でペニーを見つけて微笑んだ。
C1 adjective /ˌɪn.səbˈstæn.ʃəl/

insubstantial

不十分な
Meaning
Lacking strength, substance, or solidity.
Example
The evidence provided was insubstantial and unconvincing.
提供された証拠は不十分で説得力がなかった。
B2 adjective /ˌɑːp.təˈmɪs.tɪk/

optimistic

楽観的
Meaning
hopeful and confident about the future
Example
She is optimistic about the success of her new project.
彼女は新しいプロジェクトの成功に楽観的です。
C1 noun /ˈlɪməˌziːn/

limousine

運転手によって運転される大きな豪華な車
Meaning
a large, luxurious car driven by a chauffeur.
Example
The bride arrived in a white limousine.
花嫁は白いリムジンで到着しました。
B2 noun /ˈækni/

acne

ニキビ
Meaning
a skin condition in which pores become inflamed and clogged, causing pimples and spots
Example
Regular cleansing and a balanced diet can help reduce acne.
定期の洗浄とバランスの取れた食事は、ニキビの減少に役立ちます。
B2 noun /ˈspɛktrəm/

spectrum

スペクトル
Meaning
A range of different things, often related to colors, ideas, or classifications.
Example
The festival attracted people from across the political spectrum.
その祭りは政治的スペクトル全体から人々を引き付けました。
C2 adjective /ˌpɪkəˈjuːn/

picayune

ささいな, 些細な
Meaning
of little value or importance; trivial
Example
He complained about the picayune details of the contract.
彼は契約の些細な詳細について不平を言っていました。
A2 noun /ˈɛndɪŋ/

ending

結末
Meaning
the final part of something, such as a story, event, or period of time
Example
The movie had a surprising ending that no one expected.
映画は誰も予想しなかった驚きの結末だった。
C2 verb /ˈtɛmpəˌraɪz/

temporize

先延ばしにする
Meaning
To delay making a decision or taking action in order to gain time.
Example
The politician temporized when asked about the controversial issue.
政治家はその論争の的になっている問題について質問されると、先延ばしにした。
B2 noun /ˈen.ə.dʒi sɪˈkjʊə.rɪ.ti/

energy security

エネルギーの安全保障
Meaning
The reliable availability of energy sources at an affordable price for a nation or region.
Example
Energy security ensures consistent supply.
エネルギーセキュリティは一貫した供給を確保します。