B1 adverb /rɪˈpiː.tɪd.li/

Repeatedly

繰り返し; 何度も

Meaning

again and again; many times over

Example

He repeatedly asked for help with his homework.

彼は宿題について何度も助けを求めました。

B1 noun /ˈrʌnər/

runner

幸せ

Meaning

a person who runs, especially in races or for exercise

Example

The runner crossed the finish line with a big smile.

彼女は賞を受け取ったとき、幸せを隠せなかった。

C1 noun /rɪˈnaʊn/

Renown

名声; 評判

Meaning

the condition of being known or talked about by many people; fame

Example

The scientist achieved international renown for her discoveries.

その科学者は発見によって国際的な名声を得た。

A1 noun /ˈrɛst(ə)rɒnt/

restaurant

レストラン

Meaning

a place where meals are prepared and served to customers

Example

We went to the restaurant for dinner.

私たちは夕食のためにレストランに行きました。

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。

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。

C2 adjective /rɪˈfræɡəbəl/

refragable

反論可能な

Meaning

Capable of being refuted or disproved.

Example

His argument was weak and easily refragable.

彼の議論は弱く、簡単に反論可能だった。

B2 noun ˌreɪ.di.oʊ.ækˈtɪv.ə.ti

radioactivity

放射性

Meaning

The emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei.

Example

Radioactivity is used in medical treatments like cancer therapy.

放射性は、がん治療のような医療に用いられている。

C2 adjective /rɪˈkʌmbənt/

recumbent

横たわる

Meaning

lying down or in a resting position

Example

He was found recumbent on the sofa after a long day.

彼は長い一日の後、ソファで横になっているのが見つかりました。

C2 adjective /ˈrɛd.ələnt/

redolent

Meaning

having a strong pleasant smell; strongly reminiscent or suggestive of something

Example

The kitchen was redolent of spices and fresh herbs.

B2 noun /ˈruːlɪŋ/

ruling

判決

Meaning

an official decision made by a judge or authority.

Example

The court’s ruling favored the defendant.

裁判所の判決は被告に有利でした。

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.

C1 verb /ˈrævɪdʒ/

ravage

荒廃させる

Meaning

to cause severe and extensive damage or destruction

Example

The hurricane ravaged the coastal villages.

ハリケーンは沿岸の村を荒廃させた。

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。

B1 noun /rɪˈpleɪsmənt/

replacement

交換

Meaning

the act of substituting one thing or person for another

Example

She got a replacement for her damaged phone.

彼女は壊れた電話の交換を受けました。

B2 noun /rʌst/

Rust

錆

Meaning

reddish-brown coating formed on iron or steel by oxidation; corrosion

Example

The old car was covered in rust after years of neglect.

古い車は何年も放置されていた後、サビで覆われていました。

C1 noun /ˈriːpər/

reaper

作物を刈り取り集める人または機械

Meaning

a person or machine that cuts and gathers crops

Example

The reaper moved slowly through the golden fields.

リーパーは金色の畑をゆっくりと進んでいきました。

C1 adjective /ˈrænsɪd/

rancid

腐った

Meaning

having a bad taste or smell due to being old or spoiled (especially fats or oils)

Example

The butter had gone rancid after being left out too long.

バターは外に長時間置かれて腐ってしまった。

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。

C1 noun /ˈræʃən/

ration

配給

Meaning

a fixed amount of something, especially food, officially allowed to each person

Example

During the war, each family received a weekly ration of rice.

戦争中、各家族は毎週一定量のご飯を配給されました。

B2 adjective /ˈrʌs.ti/

Rusty

錆びた; 練習不足; 最近の練習不足による障害

Meaning

affected by rust; out of practice; impaired by lack of recent practice

Example

My piano skills are rusty after not playing for years.

何年もピアノを弾いていなかったので、私のピアノのスキルは錆びついています。

C2 noun /ˌriːkəˌpɪtjʊˈleɪʃən/

recapitulation

要約

Meaning

The act of summarizing or repeating the main points of something.

Example

The professor gave a brief recapitulation of the lecture before ending the class.

教授はクラスを終える前に講義の簡単な要約を行いました。

C1 verb /ˌriːɪnˈtɪɡreɪt/

reintegrate

再統合する

Meaning

To bring someone or something back into a group or society after being separated.

Example

The program helps prisoners reintegrate into society.

そのプログラムは囚人が社会に再統合するのを助けます。

C1 noun /rɪˌmjuː.nəˈreɪ.ʃən/

Remuneration

報酬; 報奨金; 料金

Meaning

money paid for work or services; compensation or reward

Example

The job offers excellent remuneration and benefits.

その仕事は優れた報酬と福利厚生を提供します。

C1 verb /rɪˈdʒuː.vɪ.neɪt/

rejuvenate

再生する

Meaning

To make or feel young, healthy, or energetic again.

Example

A vacation can rejuvenate the mind and body.

休暇は心と体を再生させることができます。

B2 verb /riːp/

reap

収穫する

Meaning

to cut or gather a crop; to receive as a consequence of actions

Example

Farmers reap wheat in the late summer.

農家は晩夏に小麦を収穫します。

B2 noun /rɪˈvendʒ/

Revenge

復讐

Meaning

the action of inflicting hurt or harm on someone for an injury or wrong suffered at their hands

Example

She sought revenge against those who betrayed her trust.

彼女は信頼を裏切った者たちに復讐を求めた。

C1 adjective /rɪˈsɪ.prə.kəl/

Reciprocal

相互の; 互恵的な; 両者で平等に分け合う;

Meaning

given or done in return; mutual; shared equally by both parties;

Example

The two countries have a reciprocal trade agreement.

二国間には相互の貿易協定があります。

C2 verb /rɛnd/

rend

引き裂く

Meaning

to tear something apart violently or forcefully

Example

The explosion rent the air with a deafening noise.

爆発は耳をつんざくような音で空気を引き裂いた。

A2 noun /rɒk/

rock

岩石

Meaning

a large, solid piece of mineral matter

Example

The mountain was made of solid rock.

その山は固い岩石でできていました。

C1 noun /ˈreɪdiəns/

radiance

輝き

Meaning

the quality of shining with bright light; a glowing or beaming quality

Example

Her face was filled with radiance after hearing the good news.

良いニュースを聞いた後、彼女の顔は輝きで満ちていました。

B2 noun/adjective /rɪˈpʌblɪkən/

republican

共和党員

Meaning

a member or supporter of a republican political party or system

Example

The republican candidate won the election.

リパブリカン候補者は選挙に勝利しました。

B1 noun /raɪs ˈkʊkər/

Rice cooker

電気炊飯器

Meaning

an electric appliance designed to cook rice automatically

Example

The rice cooker automatically switches off when the rice is perfectly cooked.

ライスクッカーはご飯が完璧に炊けると自動でオフになります。

C1 adjective /ˈraʊ.di/

Rowdy

騒々しい; 無秩序な; 破壊的な

Meaning

disorderly; unruly; noisy and disruptive

Example

The rowdy children were making too much noise.

騒々しい子供たちは大きな音を立てていた。

A2 adverb /ˈrɛə(r)li/

rarely

めったに

Meaning

not often, infrequently

Example

She rarely eats sweets because of her diet.

彼女はダイエットのため、お菓子をめったに食べません。

C1 noun/verb /rɪˈlæps/

relapse

再発

Meaning

to return to a worse condition, especially after improvement; a deterioration after recovery

Example

After months of progress, he suffered a relapse.

数ヶ月の進歩の後、彼は再発しました。

C2 noun /riːm/

ream

リーム

Meaning

A large quantity of paper (typically 500 sheets); informally, a large amount of something.

Example

The office ordered ten reams of paper.

オフィスは10リームの紙を注文した。

C1 noun /rʌsk/

Rusk

乾燥ビスケット; トーストパン

Meaning

a hard, dry biscuit or twice-baked bread; a type of crisp, sweet biscuit

Example

The baby enjoyed eating the soft rusk with milk.

赤ちゃんはミルクと一緒に柔らかいラスクを食べるのが好きでした。

B2 noun /rɪˈstrɪk.ʃən/

Restriction

制限; 限界; コントロール

Meaning

a limiting condition or measure; the limitation or control of someone or something

Example

There are strict restrictions on smoking in public places.

公共の場所での喫煙には厳格な制限があります。

C1 noun /ˈruːdɪmənt/

rudiment

基本

Meaning

A basic principle, element, or fundamental part of something.

Example

He learned the rudiments of music before joining the band.

彼はバンドに参加する前に音楽の基礎を学びました。

A2 verb /rɪˈpiːt/

repeat

繰り返す

Meaning

to say or do something again

Example

Could you please repeat what you just said?

今言ったことを繰り返してくれますか？

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 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。

B1 verb /rɪˈliːs/

release

解放する

Meaning

to set free; to allow something to escape or go away

Example

The prisoner was released after ten years.

囚人は10年後に解放されました。

C1 noun/verb /rɪˈpoʊz/

repose

休息

Meaning

a state of rest, sleep, or tranquility; to rest or lie in a peaceful position

Example

After the long journey, she sought repose in the quiet garden.

長い旅の後、彼女は静かな庭で休息を求めた。

C1 adjective /ˈroʊtəri/

rotary

回転式

Meaning

Relating to or characterized by rotation; revolving around an axis.

Example

The machine uses a rotary engine to function efficiently.

その機械は効率的に動作するためにロータリーエンジンを使用しています。

C2 adjective /rɪˈfræktəri/

refractory

反抗的

Meaning

Stubborn or resistant to control, authority, or treatment.

Example

The refractory child refused to follow the teacher's instructions.

反抗的な子供は教師の指示に従うのを拒否した。

C1 verb /riːˈpeɪ.tri.eɪt/

repatriate

帰還させる

Meaning

To return someone to their own country, often after war or imprisonment.

Example

The government worked to repatriate the refugees safely.

政府は難民を安全に帰国させるために尽力しました。

C2 adjective /rɪˈfrɪndʒənt/

refringent

屈折性

Meaning

Capable of refracting light or other waves.

Example

The refringent properties of the crystal bent the light into a spectrum.

結晶の屈折性の特性は光をスペクトルに曲げました。

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。

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。

C1 adjective /ˈriː.fleks/

Reflex

反射

Meaning

an action performed without conscious thought; relating to reflection

Example

The doctor tested her reflex response by tapping her knee.

医師は彼女の膝を軽く叩いて反射的な反応をテストしました。

C1 noun /ˈrep.lɪ.kə/

Replica

レプリカ

Meaning

an exact copy or model of something, especially one on a smaller scale

Example

The museum displayed a perfect replica of the ancient statue.

博物館は古代の彫像の完璧なレプリカを展示しました。

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。

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 ˌreɪdɪˈeɪʃən

radiation

放射線

Meaning

The emission of energy as electromagnetic waves or as moving subatomic particles.

Example

Radiation from the sun can be harmful without protection.

太陽からの放射線は保護なしでは有害である可能性があります。

C1 verb /ˈrætɪfaɪ/

ratify

批准する

Meaning

to approve or confirm something officially, usually by law or formal consent

Example

The government ratified the trade agreement.

政府は貿易協定を批准しました。

C1 noun /ˈredʒ.ɪ.mən/

regimen

健康促進または回復のために処方された治療法、ライフスタイル、または食事

Meaning

A prescribed course of medical treatment, way of life, or diet for the promotion or restoration of health.

Example

A strict exercise regimen improves overall fitness.

厳格な運動レジメンは、全体的なフィットネスを向上させます。

B2 adjective /rɪˈfreʃ.ɪŋ/

Refreshing

さわやか

Meaning

making one feel energized and renewed; pleasantly new or different

Example

The cool breeze was refreshing after the hot day.

暑い一日後の涼しい風はさわやかだった。

C2 adjective /rɪˈmjuːnərətɪv/

remunerative

利益がある

Meaning

Financially rewarding or profitable.

Example

He chose a remunerative career in medicine.

彼は医学の中で利益のあるキャリアを選びました。

C2 noun /ˈrʊkəri/

rookery

鳥の巣

Meaning

a place where rooks or other birds breed and nest in colonies

Example

We saw a rookery full of noisy birds near the forest.

森の近くで、騒がしい鳥たちでいっぱいの鳥の巣を見ました。

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。

A2 verb /riːtʃ/

reach

到達する

Meaning

to arrive at a destination; to extend one's arm to touch something

Example

We will reach the station in ten minutes.

私たちは10分以内に駅に到着します。

B1 verb /rɪˈviːl/

reveal

明らかにする

Meaning

to make known or show something that was hidden

Example

The investigation revealed the truth.

調査は真実を明らかにした。

B2 noun /ˌriː.əˈʃʊr.əns/

Reassurance

安心

Meaning

comfort or confidence given to someone to remove their fears or doubts

Example

She needed reassurance that everything would be okay.

彼女はすべてがうまくいくことを確認するために安心が必要でした。

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。

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 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。

A1 verb /rɪˈmembə/

remember

覚える

Meaning

to bring a past event back into one's mind; to keep in memory

Example

I remember my first day at school.

私は学校の最初の日を覚えています。

C1 verb /rɪˈdrɛs/

redress

是正する

Meaning

to set right, remedy, or compensate for a wrong or grievance

Example

The company promised to redress the complaints of its customers.

その会社は顧客の苦情を是正すると約束しました。

C1 verb /rɒmp/

romp

楽しく遊ぶ

Meaning

to play or move in a lively, carefree, and energetic way

Example

The children romped happily in the garden.

子供たちは庭で楽しそうに遊んでいました。

B2 verb /rɪˈvoʊlt/

revolt

反乱する

Meaning

to rebel against authority; to feel disgust

Example

The people revolted against the corrupt government.

人々は腐敗した政府に反乱を起こしました。

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 adjective rɪˈsɛʃ.ən.er.i

recessionary

不況に関する

Meaning

Relating to or characterized by economic recession.

Example

Governments introduce policies to counter recessionary effects.

政府は景気後退の影響に対処するために政策を導入しています。

C1 adjective /riˈækʃəˌneri/

reactionary

反動的

Meaning

Opposing political or social progress or reform; extremely conservative.

Example

The group took a reactionary stance against the new policies.

グループは新しい政策に対して反動的な立場を取った。

C1 noun /ˈrez.ɪ.dənt ˈkəʊ.ɔː.dɪ.neɪ.tər/

resident coordinator

居住者コーディネーター

Meaning

A local administrator or official who coordinates activities in a specific region.

Example

The resident coordinator welcomed all representatives.

居住者コーディネーターは全ての代表者を歓迎しました。

C1 noun /ˈrʌfiən/

Ruffian

暴力的な人物; 不良;

Meaning

a violent person, especially one involved in crime; a brutal or lawless person

Example

The ruffian threatened the shopkeeper for money.

不良は店主を金のために脅した。

C1 noun /ˈreɪ.biːz/

rabies

狂犬病

Meaning

A viral disease that causes inflammation of the brain in humans and other mammals, usually transmitted through animal bites.

Example

The dog was vaccinated against rabies.

犬は狂犬病のワクチンを接種しました。

B1 noun rɪˈsɜː.tʃəz

researchers

研究者

Meaning

People who study and investigate to discover new information or facts.

Example

Researchers are working on innovative solutions.

研究者たちは革新的な解決策に取り組んでいます。

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 verb /rɪˈvaɪl/

revile

非難する

Meaning

to criticize in an abusive or angrily insulting manner

Example

The politician was reviled by the public for his corruption.

その政治家は腐敗のために公衆から非難されました。

B2 noun /'ræd.ɪʃ/

Radish

ラディッシュ

Meaning

a small pungent edible root vegetable with white or red skin

Example

The farmer harvested fresh radishes from the garden.

農家は庭から新鮮なラディッシュを収穫しました。

B1 noun /rɪˈsɜːtʃə(r)/

researcher

研究者

Meaning

a person who conducts research

Example

The researcher published her findings in a scientific journal.

研究者は科学的なジャーナルに彼女の研究結果を発表しました。

B2 noun /ˌren.əˈveɪ.ʃən/

Renovation

リノベーション; 改修

Meaning

the act of renovating; restoration to a former better state

Example

The old house underwent a complete renovation last year.

その古い家は昨年完全な改修を受けました。

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。

B1 verb /rɪˈleɪt/

relate

reflector

反射器

Meaning

A surface or device that reflects light, heat, or sound, often used to direct beams or improve visibility.

Example

The cyclist attached a red reflector to the back of his bike for safety.

自転車のライダーは安全のために自分の自転車の後ろに赤い反射器を取り付けました。

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 /rɪˈkɜːr/

recur

Meaning

to happen again, especially repeatedly or at regular intervals

Example

The headache tends to recur every few weeks.

C1 verb /ˌriːˈkɒn.stɪ.tʃuːt/

reconstitute

再構成する

Meaning

to restore something to its original form or state; to reassemble

Example

The group was reconstituted after the leader returned.

リーダーが戻った後、グループは再構成されました。

C1 adjective /ˌrɛprɪzɛnˈteɪʃənl̩/

representational

表現的

Meaning

Relating to or depicting something in a realistic or symbolic way.

Example

The artist preferred a representational style of painting.

アーティストは表現的な絵画スタイルを好んでいました。

C1 noun /ˈriːbeɪt/

rebate

リベート/払い戻し

Meaning

a partial refund given to someone who has paid too much money for something

Example

The store offered a rebate on bulk purchases.

その店は大量購入に対してリベートを提供しました。

B2 noun rɪˈtɛnʃən

retention

保持

Meaning

The continued possession, use, or control of something

Example

The retention of information is essential for academic success.

情報の保持は学問的成功のために重要です。

C1 adjective /ˈrep.jə.tə.bəl/

Reputable

評判の良い

Meaning

having a good reputation; respected and trusted

Example

She works for a reputable law firm in the city.

彼女はその都市の評判の良い法律事務所で働いています。

A2 adverb /ˈriː.sənt.li/

Recently

Ragged

ボロボロの; 破れた; ぼろぼろ

Meaning

torn; tattered; frayed; shabby

Example

The homeless man wore ragged clothes.

ホームレスの男はボロボロの服を着ていた。

A2 noun /ˈrʌnɪŋ/

running

ランニング

Meaning

the action or sport of running

Example

Running every morning keeps me healthy.

毎朝ランニングをすると健康が保たれます。

B2 adjective /rɪˈspek.tə.bəl/

Respectable

尊敬すべき

Meaning

worthy of respect; having good reputation; decent

Example

He comes from a respectable family in the community.

彼は地域社会の尊敬すべき家族から来ました。

B2 noun /ˌrɛprɪzɛnˈteɪʃən/

representation

代表

Meaning

the action of speaking or acting on behalf of someone or something

Example

Her representation of the team was impeccable.

彼女のチームの代表は完璧でした。

B2 verb /rɪˈzaɪd/

reside

住む

Meaning

to live or dwell in a particular place

Example

They reside in a large house near the river.

彼らは川の近くの大きな家に住んでいます。

B2 adjective /rɪˈlaɪ.ənt/

reliant

依存している

Meaning

depending on someone or something for support

Example

The country is too reliant on imported goods.

その国は輸入品に依存しすぎている。

C1 noun /ræmˈbuːtən/

Rambutan

ランブータン

Meaning

a tropical fruit with red spiky skin and white translucent sweet flesh similar to litchi

Example

The rambutan looks scary with its hairy skin but tastes very sweet inside.

ランブータンは毛皮のような皮で怖そうに見えますが、中はとても甘いです。

C1 verb /ˌriːˈkæst/

recast

再キャスティング

Meaning

To present or change something in a different form or style.

Example

The director decided to recast the role with a younger actor.

監督は役を若い俳優でリキャストすることに決めました。

A2 noun /roʊz/

Rose

バラ

Meaning

a fragrant flower with thorny stems, typically red, pink, white, or yellow

Example

She gave me a beautiful red rose for Valentine's Day.

彼女はバレンタインデーに私に美しい赤いバラをくれました。

C1 adjective, noun /rɪˈsiːvəbl/

receivable

回収可能

Meaning

Money that is owed to a company and is expected to be paid.

Example

The company's receivables increased significantly this quarter.

会社の売掛金は今四半期に大幅に増加しました。

C1 noun /ˌriː.əˈdʒʌst.mənt/

readjustment

Meaning

The act of changing or correcting something again to make it suitable or balanced.

Example

After moving to a new city, he went through a period of readjustment.

B2 adjective /ˈrɑː.ki/

Rocky

岩だらけの; 不安定な; 難しい

Meaning

full of rocks; unsteady; difficult

Example

The rocky path made hiking difficult for the tourists.

岩だらけの道は観光客のハイキングを難しくしました。

C1 noun /rɪˈtriː.vəl/

retrieval

回復

Meaning

The process of getting something back, especially from storage or memory.

Example

The brain's retrieval system helps recall past experiences.

脳のリトリーバルシステムは過去の経験を思い出すのに役立ちます。

A1 adjective /red/

Red

赤

Meaning

having the color of blood or fire; of the color red

Example

She wore a beautiful red dress to the party.

彼女はパーティーに美しい赤いドレスを着ていた。

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。

C1 noun rɪˈfaɪnmənt

refinement

精練

Meaning

The process of removing impurities or unwanted elements from a substance.

Example

His manners showed a refinement that made him stand out in any crowd.

彼のマナーは精練されたもので、どんな群衆の中でも目立っていた。

C2 verb (archaic/rare) /rɛk/

reck

気にする

Meaning

To care about or be concerned with (something); to have regard for.

Example

He does not reck the dangers of his actions.

彼は自分の行動の危険を気にしない。

C2 adjective /rɪˈmiːdiəbl/

remediable

修正可能

Meaning

capable of being corrected or cured

Example

The mistake was serious but still remediable.

その誤りは重大でしたが、まだ修正可能でした。

B2 verb /rɪˈnuː/

renew

Meaning

to make something new again or extend its period of validity

Example

I need to renew my passport before traveling.

A2 verb /rɪˈmaɪnd/

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。

A2 verb /rɪˈmuːv/

remove

削除する

Meaning

to take something away; to eliminate or delete

Example

Please remove your shoes before entering the house.

家に入る前に靴を脱いでください。

B2 noun /reɪdʒ/

rage

怒り

Meaning

intense anger or fury

Example

She shouted in a fit of rage after hearing the news.

彼女はそのニュースを聞いて怒りの叫び声を上げました。

B1 noun /ˈreɪn.dɪər/

Reindeer

トナカイ

Meaning

a large deer with branched horns that lives in cold northern areas

Example

Santa's reindeer pulled his sleigh across the sky.

サンタのトナカイは空を越えてソリを引きました。

C1 adjective /rɪˈmiːdiəl/

Remedial

修正的; 治療的; 回復的;

Meaning

intended as a remedy; corrective; providing a cure;

Example

The students need remedial classes to improve their math skills.

学生は数学スキルを向上させるためにリメディアルクラスが必要です。

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。

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。