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。

A2 noun /rɪˈfrɪdʒ.ər.eɪ.tər/

Refrigerator

冷蔵庫

Meaning

an appliance for keeping food and drinks cold

Example

Please put the milk in the refrigerator to keep it fresh.

牛乳を新鮮に保つために冷蔵庫に入れてください。

C1 verb /ˌriː.ɪˈstæblɪʃ/

reestablish

再建する

Meaning

to set up or restore something again after it has been disrupted

Example

The government worked hard to reestablish peace in the region.

政府は地域の平和を再建するために懸命に働きました。

C2 noun /rɪˈpʌɡ.nəns/

repugnance

嫌悪

Meaning

intense disgust or strong aversion towards something

Example

She felt deep repugnance at the cruelty of the act.

彼女はその行為の残酷さに深い嫌悪を感じた。

C1 verb /rɪˈdʒɛnəreɪt/

regenerate

再生する

Meaning

to grow or produce again; to renew or restore

Example

The lizard can regenerate its lost tail.

トカゲは失われた尾を再生できます。

C1 verb /rɪˈpʌls/

repulse

撃退する / 嫌悪感を引き起こす

Meaning

to drive back an attack or attacker by force; to cause intense dislike or disgust

Example

The army managed to repulse the enemy attack.

軍隊は敵の攻撃を撃退することに成功した。

B2 noun /ˈreɪ.zər/

Razor

かみそり

Meaning

a sharp-edged instrument used for shaving hair from the skin

Example

He shaved his beard with a sharp razor.

彼は鋭いかみそりでひげを剃った。

A2 verb /ˈrɛkəɡnaɪz/

recognize

Meaning

To identify someone or something seen before; to acknowledge or accept.

Example

She did not recognize him in the crowd.

B2 verb /rɪˈkʌvərɪŋ/

recovering

回復

Meaning

the process of getting better after illness, loss, or difficulty

Example

She is still recovering from the flu.

彼女はまだインフルエンザから回復しています。

B1 preposition /rɪˈɡɑrdɪŋ/

regarding

に関して

Meaning

concerning or relating to

Example

The decision regarding the meeting will be made tomorrow.

会議に関する決定は明日行われます。

C1 verb /rɪˈbʌf/

rebuff

拒絶する

Meaning

to reject or refuse in a sharp or abrupt way

Example

She rebuffed his invitation to dinner.

彼女はディナーの招待を断った。

B2 noun /ˈreɪ.zən/

Raisin

レーズン

Meaning

dried grape

Example

She added raisins to the oatmeal cookies for extra sweetness.

彼女はオートミールクッキーに甘さを加えるためにレーズンを加えました。

C1 adjective /rɪˈstreɪnd/

restrained

抑制された

Meaning

characterized by reserve or self-control; held back

Example

Her restrained reaction surprised everyone.

彼女の抑制された反応は皆を驚かせました。

C1 verb /rɪˈpiːl/

repeal

Meaning

To officially cancel or revoke a law or decision.

Example

The government decided to repeal the outdated law.

C1 noun /rɪˈpɛərə/

repairer

修理人

Meaning

a person whose job is to fix damaged or broken things

Example

The repairer fixed the broken washing machine quickly.

修理人は壊れた洗濯機をすぐに直した。

B2 noun /ˈreɪn.dʒər/

ranger

レンジャー

Meaning

A person responsible for protecting and managing forests, parks, or natural areas.

Example

The park ranger guided the tourists through the forest trail.

公園のレンジャーは観光客を森の小道を案内しました。

C1 noun /rɑk sɔlt/

Rock Salt

岩塩

Meaning

natural salt crystals formed from evaporated ancient seas; unrefined salt

Example

Rock salt is considered healthier than table salt.

岩塩はテーブルソルトよりも健康的だと考えられています。

C1 noun /rɪˈpɔːrtɪʒ/

reportage

報道

Meaning

the act of reporting news or describing events in the media

Example

The magazine is known for its detailed reportage of political issues.

その雑誌は政治問題に関する詳細な報道で知られています。

C1 noun /ˈrɪpəl/

Ripple

波紋

Meaning

a small wave on the surface of water; a spreading effect or influence

Example

The stone created ripples across the calm pond.

石が静かな池に波紋を作った。

C1 adjective /rɪˈsɛptɪv/

receptive

受容的

Meaning

Willing to listen to or accept new ideas, suggestions, or experiences.

Example

She was receptive to feedback from her colleagues.

彼女は同僚からのフィードバックを受け入れる姿勢を持っていました。

B1 noun /ˈrɪðəm/

rhythm

リズム

Meaning

a strong, regular, repeated pattern of movement or sound

Example

The rhythm of the music made everyone want to dance.

音楽のリズムはみんなを踊りたくさせた。

C1 adjective /ˈræspi/

raspy

ハスキー

Meaning

having a harsh, rough, or grating sound

Example

His raspy voice revealed years of smoking.

彼のハスキーな声は喫煙の年数を明らかにした。

C1 noun /ˈrəʊ.bɒt əˈsɪs.tɪd prəˈsiː.dʒərz/

robot-assisted procedures

ロボット支援手術

Meaning

Medical operations performed with the help of robotic systems to enhance precision and control.

Example

Robot-assisted procedures reduce human error.

ロボット支援手術は人為的な誤りを減らします。

C2 adjective /ˈruːnɪk/

runic

ルーンに関連する

Meaning

relating to or consisting of runes; mysterious or magical

Example

The old stone had strange runic carvings on it.

古い石には奇妙なルーンの刻印がありました。

C1 noun /rɪˈsɜː.dʒəns/

resurgence

再生

Meaning

An increase or revival after a period of little activity, popularity, or occurrence.

Example

The city saw a resurgence in tourism after the pandemic.

都市はパンデミック後、観光業の再生を見ました。

B1 noun /roʊˈmæns/

Romance

ロマンス

Meaning

a feeling of excitement and mystery associated with love; a love affair or relationship

Example

Their romance began when they met at the university library.

彼らの恋愛は、大学の図書館で出会ったときに始まった。

C1 noun ˈrɔɪəl ˈbɛŋɡəl ˈtaɪɡər

Royal Bengal Tiger

ロイヤルベンガルタイガー

Meaning

A subspecies of tiger found primarily in India and Bangladesh, known for its distinctive orange coat with black stripes.

Example

The Royal Bengal Tiger is an iconic species of the Sundarbans.

ロイヤルベンガルタイガーはスンダルバンスの象徴的な種です。

B1 verb rɪˈdjuːst

reduced

減らす

Meaning

Make smaller or less in amount, degree, or size.

Example

Singapore has reduced plastic usage significantly.

シンガポールはプラスチックの使用を大幅に減らしました。

B2 noun /ræk/

Rack

ラック

Meaning

a framework or structure for holding or storing things

Example

She hung her coat on the rack by the door.

彼女はドアの横のラックにコートを掛けた。

B1 verb /rɪˈɡɑːrd/

regard

考える

Meaning

to consider or think of in a particular way; to look at

Example

She regards him as her best friend.

彼女は彼を親友として考えている。

B2 verb /rɪˈtriːv/

retrieve

取り戻す

Meaning

to get something back that was lost or taken; to recover

Example

She managed to retrieve her lost phone from the taxi.

彼女はタクシーから失われた電話を取り戻すことができました。

C1 noun /ˈrɪdəns/

riddance

解放

Meaning

The action of getting rid of something unwanted or unpleasant.

Example

His departure was considered a welcome riddance by the team.

彼の退職はチームにとって歓迎すべき解放と見なされた。

C2 adjective /ˈræŋ.kər.əs/

rancorous

恨みを持った

Meaning

Characterized by bitterness or resentment.

Example

Their rancorous debate lasted for hours.

彼らの恨みを持った議論は何時間も続いた。

B2 adjective /ræʃ/

rash

軽率, 無謀

Meaning

Acting quickly without careful consideration; reckless.

Example

It was a rash decision to invest without research.

調査なしで投資するのは無謀な決断だった。

C2 adjective /ˌrɛpərˈtɔːriəl/

repertorial

レポートに関する

Meaning

Relating to or characteristic of a repertoire, especially in journalism or performance contexts.

Example

The journalist's repertorial style captured every detail of the unfolding story.

そのジャーナリストのレポーティオリアルスタイルは、展開するストーリーのあらゆる詳細を捉えました。

B2 adjective /ˈrɒt.ən/

Rotten

腐った; 悪い

Meaning

decayed; spoiled; bad

Example

The apple is rotten and should be thrown away.

リンゴは腐っていて、捨てるべきです。

B1 noun /rɪˈliːf/

Relief

安心; 安堵; 支援

Meaning

a feeling of comfort after worry or distress; assistance given to those in need

Example

She felt great relief when the exam was over.

試験が終わったとき、彼女は大きな安堵感を感じました。

B2 verb /ˌriːprəˈdjuːs/

reproduce

再生する, 繁殖する

Meaning

To make a copy of something; to generate offspring.

Example

Many animals reproduce rapidly in favorable conditions.

多くの動物は好ましい条件下で急速に繁殖します。

C1 noun /roʊt/

rote

暗記

Meaning

mechanical or habitual repetition, often without understanding

Example

He learned the poem by rote without understanding its meaning.

彼はその詩を意味を理解せずに暗記しました。

C2 adjective /rɪˈflɛktɪbəl/

reflectible

反射可能

Meaning

capable of being reflected, as light or an image

Example

The surface of the lake is highly reflectible in the morning sun.

湖の表面は朝の太陽の下で非常に反射可能です。

B1 adjective rɪˈlaɪ.ə.bəl

reliable

信頼できる

Meaning

Consistently good in quality or performance; able to be trusted.

Example

Reliable systems ensure efficiency.

信頼できるシステムは効率を確保します。

C2 adjective /ˌriːkruːˈdɛsənt/

recrudescent

再発

Meaning

reviving or breaking out again after a period of abatement

Example

Recrudescent tensions threatened the fragile ceasefire.

再発した緊張が脆弱な停戦を脅かしました。

C2 verb /ˈrævəl/

ravel

絡まる / 解く

Meaning

to tangle or complicate; to untangle or unravel depending on context

Example

She began to ravel the loose threads of the sweater.

彼女はセーターのゆるい糸をほどき始めました。

C1 noun /rɔ ˈtɜrmərɪk/

Raw Turmeric

生のターメリック

Meaning

fresh unprocessed root of the turmeric plant used as a spice and medicine

Example

Grate raw turmeric into the curry for authentic flavor.

カレーに生のターメリックをすりおろして、オーセンティックな風味を加えましょう。

C1 adjective /rɪˈpjuː.t̬ɪd/

Reputed

評判の良い; 有名な

Meaning

generally said or believed to be; having a particular reputation

Example

He is reputed to be one of the best doctors in the country.

彼はその国で最高の医者の一人と見なされています。

C2 noun /rɪˈfɛkʃən/

refection

食事 / 反省

Meaning

a meal or the act of taking food and drink

Example

The monks gathered for their evening refection.

僧侶たちは夕食のために集まりました。

B1 noun /rɪˈleɪ.ʃən/

Relation

関係; 親戚

Meaning

the way in which two or more people or things are connected; a family member

Example

They have a strong business relation that has lasted for years.

彼らは長年続く強力なビジネス関係を持っています。

C1 noun /ˈraɪtʃəsnəs/

righteousness

正義

Meaning

the quality of being morally right or justifiable

Example

His life was dedicated to righteousness and truth.

彼の人生は正義と真実に捧げられた。

C1 noun /raɪt/

rite

儀式

Meaning

a religious or ceremonial act

Example

The wedding rite was performed with great solemnity.

結婚式の儀式は厳粛に行われました。

B2 noun ˌrɛvəˈluːʃən

revolution

革命

Meaning

A forcible overthrow of a government or social order, in favor of a new system.

Example

The story is set during the French Revolution.

物語はフランス革命の時代に設定されています。

B2 noun /reɪˈʒiːm/

regime

政権

Meaning

a system or form of government, often authoritarian

Example

The military regime controlled the country for decades.

軍事政権は数十年間国を支配していました。

B1 noun /rɪˈfjuːz/

Refuse

ゴミ; 拒否

Meaning

waste material; garbage; to decline or reject something

Example

Please put the refuse in the designated bins.

指定されたゴミ箱にゴミを入れてください。

C2 verb /ˈrʌstɪkeɪt/

rusticate

田舎に行く / 大学から一時的に追放する

Meaning

To go to the countryside or to suspend someone from university.

Example

He decided to rusticate in the village to escape the busy city life.

彼は忙しい都市生活から逃れるために村に行くことを決めました。

C2 adjective /rɪˈkæl.sɪ.trənt/

recalcitrant

反抗的, 頑固な, 服従しない

Meaning

Having an obstinately uncooperative attitude toward authority or discipline.

Example

The recalcitrant student refused to follow rules.

反抗的な学生は規則に従うことを拒否した。

B1 adjective /ˌriːəˈlɪstɪk/

realistic

現実的

Meaning

having or showing a sensible and practical idea of what can be achieved or expected

Example

She gave a realistic estimate of the project's cost.

彼女はプロジェクトのコストの現実的な見積もりを出した。

B1 noun /ˈrezɪdənt/

Resident

住民

Meaning

a person who lives somewhere permanently or on a long-term basis; living in a particular place

Example

She has been a resident of this city for over ten years.

彼女はこの都市の住民で、10年以上住んでいます。

C1 noun ˌrev.əˈluː.ʃən.ər.i ɪˈnɪʃ.ə.tɪv

revolutionary initiative

革命的イニシアティブ

Meaning

A groundbreaking action or plan that brings about significant change or transformation.

Example

The revolutionary initiative promotes sustainable energy.

革命的なイニシアティブは持続可能なエネルギーを促進します。

B2 verb /rɪˈzɜːv/

reserve

予約する

Meaning

to keep something for future use; to book in advance

Example

I want to reserve a table for dinner.

ディナーのためにテーブルを予約したいです。

B1 noun ˌrekəɡˈnɪʃn

recognition

認識

Meaning

Acknowledgment of the existence, validity, or legality of something; appreciation or acclaim for an achievement, service, or ability.

Example

He earned recognition after years of struggle.

彼は長年の努力の後、認識を得ました。

C2 adjective /ˈrɛkriənt/

recreant

臆病な, 裏切り者

Meaning

cowardly or unfaithful to duty

Example

The recreant soldier abandoned his post in fear.

その臆病な兵士は恐怖で自分のポストを放棄した。

C2 adjective /roʊˈtʌnd/

rotund

丸い

Meaning

round or plump in shape; full in sound

Example

The rotund cat struggled to climb the fence.

丸い猫はフェンスを登るのに苦労していた。

B2 noun /ˈrɛlɪvəns/

relevance

remind

思い出させる

Meaning

to cause someone to remember something

Example

Please remind me to call her tomorrow.

明日彼女に電話するのをリマインドして下さい。

B2 noun /ˌrɛvəˈleɪʃən/

revelation

啓示

Meaning

A surprising and previously unknown fact, especially one made known in a dramatic way.

Example

The book was full of shocking revelations about the politician.

その本はその政治家に関する衝撃的な啓示で満ちていました。

B1 adjective /rɪˈkwaɪəd/

required

必要な

Meaning

necessary or compulsory

Example

A visa is required to enter the country.

その国に入るにはビザが必要です。

B2 noun /rɪˈlaɪ.əns/

Reliance

依存

Meaning

the state of depending on something or someone for support or help

Example

His reliance on technology is concerning.

技術への依存は懸念すべきことです。

B2 verb /ˌriːkriˈeɪt/

recreate

再創造する

Meaning

to create or produce something again, especially a new version of something lost or destroyed

Example

The team recreated the lost dataset from backups.

チームはバックアップから失われたデータセットを再作成しました。

C1 verb /rɪˈvɜːrbəreɪt/

reverberate

反響する

Meaning

To echo repeatedly or have continuing effects.

Example

The sound of the explosion reverberated through the valley.

爆発音は谷を通り過ぎて反響しました。

B1 noun /rɪˈkwɛst/

request

Meaning

a formal or polite demand for something

Example

She made a request for additional time to complete the project.

C1 noun/verb /rɪˈpriːv/

reprieve

Meaning

A temporary relief or delay from something unpleasant; to postpone or cancel punishment.

Example

The prisoner was granted a last-minute reprieve from execution.

B1 verb /rɑːb/

rob

強盗する

Meaning

to steal money or property from a person or place; to commit robbery

Example

The thief tried to rob the bank last night.

泥棒は昨晩銀行を強盗しようとしました。

B2 noun /ˌreɡ.jʊˈleɪ.ʃənz/

regulations

規制

Meaning

Rules or directives made and maintained by an authority.

Example

Strict regulations ensure fair practices.

厳格な規制は公正な慣行を確保します。

B2 adjective /rɪˈliːvd/

relieved

安心した

Meaning

feeling happy and less worried after something stressful has been removed or resolved

Example

She felt relieved after hearing the good news.

良い知らせを聞いた後、彼女は安心した。

C1 adverb /ˈrɪdʒɪdli/

Rigidly

厳格に; 柔軟性なしで

Meaning

in a strict, inflexible manner; without compromise

Example

The rules are rigidly enforced in this institution.

この機関ではルールは厳格に適用されます。

A2 verb /rɪˈmeɪn/

remain

残る

Meaning

to stay in the same place; to continue to exist

Example

Only a few guests remain at the party.

パーティーには少数のゲストが残っています。

A2 adverb /ˈrɛɡjələrli/

regularly

定期的に

Meaning

at regular intervals; in a regular manner

Example

She exercises regularly to stay healthy.

彼女は健康を保つために定期的に運動します。

C1 noun /ˈrʌmpəs/

Rumpus

騒動; 混乱; 騒音

Meaning

a noisy disturbance; an uproar or commotion

Example

The children caused quite a rumpus in the playground.

子供たちは遊び場でかなりの騒動を引き起こしました。

C1 adjective /rɪˈpʌl.sɪv/

Repulsive

嫌悪感を引き起こす; 不快な; 嫌悪を引き起こす

Meaning

extremely unpleasant; causing strong dislike or disgust

Example

The smell of rotten eggs was absolutely repulsive.

腐った卵の匂いは完全に嫌悪感を引き起こしました。

A2 adjective /rɪtʃ/

Rich

裕福な; お金持ちの; 貴重な

Meaning

having a lot of money or valuable possessions; abundant in nutrients or flavor

Example

The rich businessman donated money to the charity.

裕福な実業家がチャリティーに寄付をしました。

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 noun /ˈrɛ.trəʊ.fɪt.ɪŋ/

retrofitting

古いシステムに新しい技術や機能を追加すること

Meaning

The addition of new technology or features to older systems.

Example

The building underwent retrofitting to meet new safety standards.

その建物は、新しい安全基準に適応するためにレトロフィッティングされました。

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。

B2 verb /ˌriːəˈreɪndʒ/

rearrange

再配置する

Meaning

to change the order or position of something

Example

She decided to rearrange the furniture in her living room.

彼女はリビングルームの家具を再配置することに決めました。

C2 noun /rɪˈsɪʒən/

rescission

契約解除

Meaning

the cancellation or annulment of a law, contract, or agreement

Example

The rescission of the contract left both parties disappointed.

契約の解除により、双方は失望しました。

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。

B1 adjective ˈriː.dʒən.əl

regional

地域の

Meaning

Relating to or characteristic of a region.

Example

Regional hubs support localized industries.

地域のハブは地元産業をサポートします。

C1 noun /rɪˈbʌtəl/

rebuttal

反論

Meaning

a statement or argument made to oppose or disprove another

Example

Her rebuttal was clear and convincing.

彼女の反論は明確で説得力がありました。

B2 noun /rɪˈbel.jən/

Rebellion

反乱

Meaning

an act of armed resistance to an established government or leader

Example

The rebellion against the king lasted for three years.

王に対する反乱は3年間続いた。

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。

C2 noun /rɪˈvaɪlər/

reviler

侮辱者

Meaning

a person who criticizes or insults others abusively

Example

He was known as a reviler of all who opposed him.

彼は自分に反対する全ての人々を侮辱する者として知られていました。

C2 adjective /ˈrɛpərəbəl/

reparable

修理可能

Meaning

able to be repaired or fixed

Example

The damage to the car was serious but still reparable.

車の損傷は深刻だったが、それでも修理可能だった。

C1 verb /ˈrɪvɪt/

rivet

リベットで固定する / 注意を引く

Meaning

to fasten or secure with a rivet; to hold someone’s attention firmly

Example

The craftsman riveted the metal plates together.

職人は金属の板をリヴェットで留めました。

A2 noun rɪˈsɜːtʃ

research

研究

Meaning

The systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions.

Example

Research on radio waves began earlier in India.

ラジオ波の研究はインドで早く始まりました。

B2 noun ˌriːfɔːˈreɪʃən

reforestation

再植林

Meaning

The natural or intentional restocking of existing forests and woodlands that have been depleted.

Example

Reforestation efforts are crucial to restoring ecosystems.

再植林の努力は、生態系の回復に重要です。

C2 adjective /ˈrɛkənˌsaɪləbl̩/

reconcilable

Meaning

Capable of being resolved or made consistent.

Example

Their differences are reconcilable with honest communication.

B1 noun /rɪˈtaɪə.mənt/

Retirement

退職

Meaning

the action or fact of leaving one's job and ceasing to work; the period of life after leaving work

Example

He is planning his retirement after 40 years of service.

彼は40年間の勤務の後、退職を計画しています。

C1 noun ˌræʃ.ən.əl.ɪˈzeɪ.ʃən

rationalization

合理化

Meaning

The practice of finding reasons for behavior or actions that are not the real reasons.

Example

His rationalization of the mistake was not convincing.

彼の間違いの合理化は説得力がなかった。

B1 noun rəʊlz

Roles

役割

Meaning

A person's or thing's function in a particular situation.

Example

Defined roles improve team performance.

定義された役割はチームのパフォーマンスを向上させる。

B2 adjective /rɪˈmuːvəbəl/

removable

取り外し可能な

Meaning

able to be removed or taken away

Example

This phone has a removable battery.

この電話には取り外し可能なバッテリーがあります。

C2 adjective /rɪˈfɛrəbəl/

referable

参照可能な

Meaning

able to be related or directed to something

Example

The issue is referable to the new policy changes.

その問題は新しい政策変更に関連付けることができます。

C1 verb /rɪˈkɔɪl/

recoil

後退する

Meaning

To suddenly spring back in fear, horror, or from force such as a gun's kickback.

Example

She recoiled at the sight of the snake.

彼女はヘビを見て後退した。

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 noun ˌrɛzɪɡˈneɪʃən

resignation

辞任

Meaning

The acceptance of something undesirable but inevitable; giving up.

Example

Her resignation from the position was unexpected.

彼女の職からの辞任は予想外だった。

C1 noun ˈredʒ.ɪ.strɑːr

registrar

レジストラー

Meaning

An official responsible for keeping records or registers.

Example

The registrar oversees all administrative tasks.

レジストラーはすべての行政業務を監督しています。

B2 noun /ˈreɪtɪŋ/

rating

評価

Meaning

an evaluation or assessment, usually numerical

Example

The movie received a high rating from critics.

その映画は批評家から高い評価を受けました。

C1 noun /rɪˈkɜr.əns/

Recurrence

再発

Meaning

the fact of something happening again; an instance of something happening again

Example

The doctor was concerned about the recurrence of the patient's symptoms.

医師は患者の症状の再発について懸念していました。

B2 noun rɪˈzɪl.i.əns

resilience

レジリエンス

Meaning

The ability to recover quickly from difficulties; toughness.

Example

Testing the resilience of wood is crucial.

木材のレジリエンスをテストすることは非常に重要です。

B1 verb /ˌrɛprɪˈzɛnt/

represent

代表する

Meaning

to act or speak on behalf of someone or something

Example

He will represent our company at the conference.

彼は会議で私たちの会社を代表します。

B1 noun /ˌrek.ə.menˈdeɪ.ʃən/

Recommendation

Reformer

改革者

Meaning

a person who works to bring about positive changes in society or institutions

Example

The social reformer dedicated her life to improving education for all children.

社会的な改革者は、すべての子供たちの教育を改善するために自分の人生を捧げました。

C1 adjective /rɪˈvenʒ.fəl/

Revengeful

復讐心に燃える

Meaning

seeking or desiring revenge; vindictive

Example

He became revengeful after being betrayed by his friend.

彼は友達に裏切られた後、復讐心に燃えるようになった。

A2 verb /roʊl/

roll

転がる

Meaning

to move by turning over and over on an axis

Example

She rolled the ball down the hill.

彼女はボールを丘の下に転がしました。

C2 noun /ˈrɛdʒɪsaɪd/

regicide

王殺し

Meaning

the act of killing a king

Example

The conspirators were executed for committing regicide.

陰謀者たちは王殺しを犯したため、処刑されました。

B2 adjective /rɪˈspek.tɪv/

Respective

それぞれの; 各自の

Meaning

belonging to each individual; particular to each

Example

The students returned to their respective classrooms after lunch.

学生たちは昼食後、それぞれの教室に戻った。

C2 verb /rɪˈpaɪn/

repine

嘆く

Meaning

To feel or express discontent or to long for something.

Example

She did not repine at her misfortune but worked harder to improve her life.

彼女は不幸を嘆かず、より一生懸命に働いて生活を向上させました。

C1 verb /ˈrɛlɪɡeɪt/

relegate

降格する

Meaning

to assign to a lower rank, position, or category

Example

The manager decided to relegate the player to the bench.

マネージャーは選手をベンチにレリゲートすることを決定しました。

A2 noun /reɪt/

rate

レート

Meaning

the cost or price of something, or the amount at which something happens

Example

The rate of inflation is increasing every year.

インフレ率は毎年増加しています。

A2 verb /rɪˈlæks/

relax

リラックスする

Meaning

to make or become less tense or anxious; to rest

Example

After a long day, she likes to relax with a good book.

長い一日の後で、彼女は良い本を持ってリラックスするのが好きです。

B1 noun roʊps

ropes

ロープ

Meaning

A length of thick strong cord made by twisting together strands of hemp, sisal, nylon, or similar material.

Example

The ropes were tied securely to lift the heavy load.

ロープは重い荷物を持ち上げるためにしっかりと結ばれていました。

A2 adjective /ruːd/

Rude

失礼な; 無礼な; 粗野な; 厳しい

Meaning

impolite; discourteous; lacking civility; rough or harsh in manner

Example

It was rude of him to interrupt the meeting.

会議を中断することは失礼でした。

C1 verb /rɪˈkuːpəreɪt/

recuperate

回復する

Meaning

to recover from illness or regain strength

Example

She went to the countryside to recuperate after surgery.

彼女は手術後、回復するために田舎に行った。