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。

C2 verb /rɛtʃ/

retch

幸せ

Meaning

to make the sound and movement of vomiting without bringing anything up

Example

The smell of spoiled food made him retch violently.

賞を受け取った時、彼女は喜びを隠すことができませんでした。

B1 adjective, noun /ˈroʊmən/

roman

ローマの / 古代ローマの市民

Meaning

relating to Rome or its people; a citizen of ancient Rome

Example

The Roman Empire influenced much of modern civilization.

ローマ帝国は現代文明に多大な影響を与えました。

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。

C1 verb /ˌriːˈtʌtʃ/

retouch

修正する

Meaning

To improve or repair a picture, photograph, or image by making small changes.

Example

The photographer retouched the image to remove blemishes.

写真家は画像を修正して、シミを取り除きました。

B2 noun /ˌrezəˈveɪʃən/

Reservation

予約

Meaning

the action of reserving something; an arrangement whereby something is reserved for a particular person; a qualification to an expression of agreement or approval

Example

I made a reservation at the restaurant for tonight.

今夜のレストランの予約をしました。

C2 adjective /ˈruːbɪkənd/

rubicund

健康的な赤みを帯びた顔

Meaning

Having a healthy reddish complexion.

Example

The old man’s rubicund face showed he was in good health.

その老人の赤みを帯びた顔は、彼が健康であることを示していた。

B2 adjective /rɪˈlʌktənt/

Reluctant

消極的な; ためらう; 何かをすることに抵抗がある;

Meaning

unwilling; hesitant; disinclined to do something;

Example

She was reluctant to share her personal information.

彼女は個人情報を共有することに消極的でした。

B2 noun /rɪb/

Rib

あばら骨

Meaning

one of the curved bones that protect the chest and lungs

Example

He broke his rib in the accident.

彼は事故であばら骨を折った。

A2 verb /rɪˈsiːv/

receive

受け取る

Meaning

to get or accept something given; to welcome

Example

She receives a gift from her friend.

彼女は友達から贈り物を受け取ります。

B2 adjective /ˈreɪʃəl/

racial

人種の

Meaning

relating to a race of people

Example

Racial equality is an important issue in many societies.

人種平等は多くの社会において重要な問題です。

C1 noun /rɪˈpreʃən/

Repression

抑圧

Meaning

the action of subduing someone or something by force; the restraint, prevention, or inhibition of a feeling, impulse, etc.

Example

The government's repression of free speech sparked widespread protests.

政府の表現の自由に対する抑圧は、広範な抗議を引き起こした。

C1 adjective /ˈreɪ.kɪʃ/

Rakish

魅力的な

Meaning

having a dashing, jaunty, or slightly disreputable quality or appearance

Example

He wore his hat at a rakish angle that gave him a charming appearance.

彼は魅力的な角度で帽子をかぶって、魅力的な外見を与えた。

C1 noun /ˈrɛnɪˌɡeɪd/

renegade

裏切り者

Meaning

a person who deserts or betrays an organization, country, or principles

Example

He was labeled a renegade after leaving the party and criticizing its policies.

彼は党を離れ、その政策を批判した後、裏切り者と見なされた。

C1 verb /rɪˈnaʊns/

renounce

放棄する

Meaning

to formally declare rejection of something, such as a claim, belief, or way of life

Example

She renounced her citizenship to move abroad permanently.

彼女は永住権を得るために市民権を放棄しました。

B2 verb /rɪˈdʒɔɪs/

rejoice

喜ぶ

Meaning

to feel or show great joy; to celebrate

Example

The family rejoices at the good news.

その家族は良いニュースに喜んでいます。

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 /rɔː/

Raw

生の; 処理されていない; 自然な状態で; 未熟な

Meaning

uncooked; not processed; in natural state; inexperienced

Example

The chef prefers to use raw vegetables in his salads.

シェフはサラダに生野菜を使うのが好きです。

A2 noun /ræt/

Rat

ネズミ

Meaning

a large long-tailed rodent that is typically considered a pest

Example

The rat scurried across the kitchen floor.

ネズミは台所の床を走り抜けました。

B2 noun /rɪˈfɔːr.mər/

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。

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。

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 verb /ˈrɛzəneɪt/

resonate

共鳴する

Meaning

To produce or be filled with a deep, full, and reverberating sound; to evoke a feeling or memory.

Example

Her words resonated with the audience.

彼女の言葉は聴衆に響いた。

C1 adjective /ˈræmʃækəl/

ramshackle

ぼろぼろ

Meaning

poorly built or maintained; in a state of disrepair

Example

They lived in a ramshackle old house on the edge of town.

彼らは町の端にあるぼろぼろな古い家に住んでいました。

B2 noun, verb, adjective /ræŋk/

rank

ランク

Meaning

A position in a hierarchy; to place in order according to importance or quality.

Example

She quickly rose to a senior rank in the company.

彼女は会社で素早く上級ランクに昇進しました。

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。

C1 verb /ˈræn.sæk/

ransack

略奪する

Meaning

to search a place roughly and steal or damage things

Example

Burglars ransacked the house while the family was away.

泥棒たちは家族が留守の間に家を荒らした。

B2 noun /ˈrækɪt/

racket

ラケット / 騒音

Meaning

A piece of equipment used to hit the ball in sports like tennis or badminton; also a loud noise or an illegal scheme.

Example

He bought a new tennis racket for the match.

彼は試合のために新しいテニスラケットを買った。

C2 noun /rʌmp/

Rump

尻; お尻; 背中の下部

Meaning

the hindquarters or buttocks; the lower back area

Example

The horse injured its rump during the fall.

その馬は転倒した際にお尻を痛めました。

C1 adjective /rɪˈzɪstɪv/

resistive

抵抗性

Meaning

tending to resist or oppose; in physics, relating to electrical resistance

Example

The material has resistive properties that slow down current flow.

その材料は、電流の流れを遅くする抵抗性の特性を持っています。

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。

C1 noun/verb /rɪˈpriːz/

reprise

繰り返し

Meaning

A repetition or return to an earlier theme, role, or action.

Example

The actor reprised his role in the sequel.

俳優は続編で自分の役を再演しました。

C1 adjective /ˈraɪtfəl/

rightful

正当な

Meaning

having a legitimate or just claim; proper or lawful

Example

She is the rightful owner of the property.

彼女はその財産の正当な所有者です。

C1 verb /rɪˈzaʊnd/

resound

反響する

Meaning

To fill a place with sound; to be celebrated or talked about widely.

Example

The hall resounded with applause.

ホールは拍手で反響しました。

B2 noun /roʊˈteɪʃən/

Rotation

回転; 回転運動; 自転

Meaning

the action of rotating around an axis or center; a single turn

Example

The Earth's rotation takes 24 hours to complete.

地球の回転は24時間かかります。

B2 verb /ˌriː.kənˈsɪd.ər/

reconsider

再考する

Meaning

to think about something again, especially to change a decision or opinion

Example

She decided to reconsider her decision about moving abroad.

彼女は海外に引っ越すという決断を再考することに決めました。

A2 noun /ruːlz/

rules

ルール

Meaning

explicit principles or regulations governing conduct or procedure within a particular area of activity

Example

The teacher reminded the students to follow the classroom rules.

先生は生徒にクラスのルールに従うように注意しました。

C2 adjective /rɪˈmɪs/

remiss

怠慢

Meaning

Negligent in performing a duty or responsibility.

Example

The manager was remiss in not checking the financial reports carefully.

マネージャーは財務報告書を慎重に確認しなかったことで怠慢だった。

C1 noun /ˈruː.bi/

Ruby

ルビー

Meaning

a precious red gemstone; a deep red variety of corundum

Example

The ruby ring was her most treasured possession.

そのルビーの指輪は彼女にとって最も大切な宝物でした。

B2 noun /rɪˈsɛs/

recess

休憩

Meaning

A short break from work or school; also a small space set back in a wall.

Example

The children played outside during recess.

子供たちは休憩中に外で遊びました。

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。

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。

C1 adjective /ˈrɛtɪsənt/

reticent

控えめ

Meaning

not revealing one's thoughts or feelings readily; reserved

Example

She was reticent about her personal life.

彼女は自分の個人的な生活について控えめでした。

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。

C1 noun /rəˈpɪdəti/

rapidity

迅速さ

Meaning

The quality of moving or happening quickly; swiftness or speed.

Example

The rapidity of technological change is astonishing.

技術的な変化の速さは驚くべきものです。

A2 noun /ˈrɛsɪpi/

recipe

レシピ

Meaning

a set of instructions for preparing a particular dish, including a list of the ingredients required

Example

I found a great recipe for chocolate cake.

チョコレートケーキの素晴らしいレシピを見つけました。

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。

A2 adjective /ˈreɪ.ni/

Rainy

雨の日の

Meaning

characterized by rain; wet from rain; having much rain

Example

It was a rainy day, so we stayed indoors.

今日は雨の日だったので、家の中にいました。

B2 adverb /ˈræp.ɪd.li/

Rapidly

速やかに; 急速に

Meaning

at a fast speed; quickly

Example

The company is rapidly expanding into new markets.

会社は新しい市場に急速に拡大しています。

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。

A2 noun /ˈriːdər/

reader

読者

Meaning

a person who reads or who is capable of reading

Example

She is a fast reader, finishing books in a day.

彼女は速読者で、1日で本を読み終えます。

B2 verb /rɪˈstrɪkt/

restrict

制限する

Meaning

To limit the size, amount, or range of something.

Example

The government decided to restrict the use of plastic bags.

政府はプラスチック袋の使用を制限することを決定しました。

A2 noun /reɪs/

race

レース

Meaning

a competition of speed, or a group of people with similar characteristics

Example

The race was very exciting, with many competitors.

レースは非常にエキサイティングで、たくさんの競技者がいました。

C1 noun /rɪˈpʌlʃən/

Repulsion

反発

Meaning

a feeling of intense distaste or disgust; a force under the influence of which objects tend to move away from each other

Example

She felt a strong repulsion towards the idea of eating insects.

彼女は昆虫を食べるという考えに強い反発を感じた。

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。

C1 adjective /ˈræɡ.ɪd/

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。

B2 verb /rɪˈzɪst/

resist

抵抗する

Meaning

to oppose or fight against; to withstand

Example

He could not resist the temptation.

彼は誘惑に抵抗できませんでした。

C1 adjective ˈriːdʒən spəˈsɪfɪk

region-specific

地域特有

Meaning

Relating to or characteristic of a particular region or area.

Example

Climate change impacts are region-specific.

気候変動の影響は地域特有です。

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 verb /ˌriː.ɪnˈfɔːrs/

reinforce

強化する

Meaning

To strengthen or support something with additional material, people, or effort.

Example

The teacher used examples to reinforce the lesson.

教師は例を使って授業を強化しました。

B1 verb /rʌb/

rub

こする

Meaning

to press and move something firmly against a surface; to apply pressure with movement

Example

She rubbed her hands together to keep them warm.

彼女は手をこすり合わせて暖かく保った。

B2 noun /rɪm/

rim

縁

Meaning

the outer edge or border of a circular object

Example

The coffee cup had a chip on its rim.

コーヒーカップの縁にひびが入っていました。

B2 adjective /ˈrændəm/

Random

ランダム

Meaning

without pattern or predetermined order; happening by chance

Example

She selected a random book from the library shelf.

彼女は図書館の棚からランダムに本を選びました。

C2 verb /rɪˈsɪnd/

rescind

取り消す

Meaning

to revoke, cancel, or repeal a law, order, or agreement

Example

The company decided to rescind the job offer.

その会社は仕事のオファーを取り消すことを決定しました。

B2 noun /rɪˈdʒɛkʃən/

rejection

拒絶

Meaning

the action of refusing or dismissing something or someone

Example

Her rejection of the offer surprised everyone.

彼女の提案の拒絶は皆を驚かせた。

B2 noun /ˈreɪ.dɑːr/

Radar

レーダー

Meaning

a system for detecting the presence, direction, distance of aircraft, ships by sending out radio waves

Example

The radar detected an unknown aircraft approaching the base.

レーダーは基地に接近する未知の航空機を検出しました。

B1 verb /rɪˈvjuː/

review

レビュー

Meaning

to examine or assess something again; to write a critical evaluation

Example

I need to review my notes before the exam.

試験前にノートをレビューする必要があります。

C2 verb /raɪv/

rive

裂ける

Meaning

to tear apart violently

Example

The earthquake rived the ground in several places.

地震がいくつかの場所で地面を裂けました。

C1 noun /roʊz ˈber.i/

Rose berry

ローズベリー

Meaning

a type of berry with rose-like characteristics or flavor

Example

The rose berry has a delicate floral taste that reminds me of roses.

ローズベリーはバラのような繊細な花の風味があり、バラを思い出させます。

C1 verb /ˌriːˈkæl.ɪ.breɪt/

recalibrate

再調整する, 調整し直す

Meaning

To calibrate again or differently; to adjust or correct something based on new information or changed circumstances.

Example

The company had to recalibrate its strategies to adapt to the market.

会社は市場に適応するために戦略を再調整する必要があった。

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。

C1 noun/verb /ˈræfəl/

raffle

抽選券の販売

Meaning

A means of raising money by selling numbered tickets, one or more of which are drawn at random for a prize; to sell something in such a lottery.

Example

The charity decided to raffle a bicycle to raise funds.

チャリティーは資金調達のために自転車を抽選で販売することに決めました。

C1 adjective /ˈræmpənt/

rampant

蔓延する

Meaning

existing or spreading unchecked, often in an undesirable way

Example

Corruption was rampant in the city administration.

腐敗は市の行政で蔓延していた。

C1 verb /rɪˈtɑːrd/

retard

遅らせる / 減速する

Meaning

to delay or slow down the progress of something

Example

Lack of funds may retard the development of the project.

資金不足はプロジェクトの進展を遅らせる可能性があります。

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。

C1 adjective /rɪˈtɜː.nə.bəl/

Returnable

返品可能

Meaning

able to be returned or given back

Example

The bottle is returnable for a deposit refund.

ボトルはデポジット返金のために返品可能です。

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 /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。

B2 noun /ˈreɪ.zɪnz/

Raisins

レーズン

Meaning

dried grapes, often used in cooking and baking

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。

B1 adjective /rɪˈpiː.tɪd/

Repeated

繰り返しの; 多くの回発生する

Meaning

done again; happening again; occurring multiple times

Example

He made repeated attempts to contact her.

彼は何度も彼女に連絡を試みました。

B2 adverb /rɪˈspektɪvli/

Respectively

それぞれ; 指定された順序で; 別々に、そしてすでに言及された順序で

Meaning

in the order given; separately and in the order already mentioned

Example

John and Mary are 25 and 30 years old respectively.

ジョンとメアリーはそれぞれ25歳と30歳です。

B1 noun rɪˈzɪs.təns

resistance

抵抗

Meaning

The refusal to accept or comply with something; the attempt to prevent something by action or argument.

Example

The resistance fought bravely against colonial forces.

レジスタンスは植民地軍に勇敢に立ち向かいました。

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。

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。

C1 verb /ˈruː.mɪ.neɪt/

ruminate

思索する, 反芻する

Meaning

to think deeply about something; to chew cud (for animals)

Example

She sat alone to ruminate on her decision.

彼女は自分の決断について一人で思索していた。

B1 noun /ˌrɛp.jʊˈteɪ.ʃən/

reputation

評判, 名声

Meaning

The opinion generally held about someone or something; fame or prestige.

Example

A good reputation is essential for business success.

良い評判はビジネスの成功に不可欠です。

B1 adjective /rɪˈlækst/

relaxed

リラックスした

Meaning

free from tension or stress; calm and comfortable

Example

She felt relaxed after listening to soft music.

柔らかい音楽を聞いて、彼女はリラックスした。

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。

B2 verb /ˈroʊ.teɪt/

rotate

回転する

Meaning

to turn around a central point or axis

Example

The Earth rotates on its axis once every 24 hours.

地球は24時間ごとに自転します。

B2 noun /ˈraɪət/

Riot

暴動; 騒乱

Meaning

a violent disturbance of the peace by a crowd; an uncontrolled outburst

Example

The peaceful protest turned into a riot when violence broke out.

平和的な抗議は暴力が起こったときに暴動に変わった。

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。

B2 adverb /rɪˈɡɑrdləs/

regardless

関係なく

Meaning

without paying attention to the current situation or condition

Example

She will go to the party regardless of the weather.

彼女は天気に関係なくパーティーに行きます。

C2 noun /rɪˌnʌnsiˈeɪʃən/

renunciation

放棄

Meaning

the formal rejection or giving up of something, usually a belief, claim, or way of life

Example

His renunciation of worldly pleasures impressed the monks.

彼の世俗的な楽しみへの放棄は僧侶たちに感銘を与えました。

C1 noun /rɪˈzʌmp.ʃən/

Resumption

再開

Meaning

the action of beginning something again after a pause or interruption

Example

The resumption of classes will be announced next week.

授業の再開は来週発表されます。

A2 adjective /ˈreɡ.jə.lər/

Regular

定期的な

Meaning

happening at fixed intervals; consistent; normal; frequent

Example

She goes for regular exercise every morning at 6 AM.

彼女は毎朝6時に定期的な運動をします。

B2 adjective ˈræd.ɪ.kəl

radical

伝統的な信念やシステムに反する根本的な変化をもたらす能力がある

Meaning

Capable of bringing fundamental changes opposite to conventional beliefs or systems.

Example

The leader proposed radical economic reforms.

リーダーはラディカルな経済改革を提案しました。

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 verb /riːˈɔːrɡənaɪz/

reorganize

再編成する

Meaning

to arrange something again in a different way for greater efficiency or order

Example

The manager decided to reorganize the team structure.

マネージャーはチームの構造を再編成することに決めました。

C2 noun /ˈræp.aɪn/

rapine

略奪

Meaning

the violent seizure of someone's property

Example

The war was marked by rapine and destruction.

戦争は略奪と破壊で特徴づけられていた。

C1 noun /ˈrɛpərˌtɔːri/

repertory

レパートリー

Meaning

A collection of works that a company, performer, or institution regularly performs; also a storehouse of information or skills.

Example

The theater has a repertory of classic plays.

劇場にはクラシックな演劇のレパートリーがあります。

C1 noun /rɛnˈdɪʃən/

rendition

演奏

Meaning

a performance or interpretation of a piece of art, music, or text

Example

The singer gave a moving rendition of the classic song.

歌手はクラシックな歌の感動的な演奏を行いました。

C1 adjective /ˈreɪ.si/

racy

刺激的

Meaning

Lively, entertaining, or slightly shocking (especially in a sexual way).

Example

The novel was full of racy dialogues.

その小説は刺激的な対話で満ちていた。

B2 noun /rɪˈzembləns/

Resemblance

類似

Meaning

the state of being alike or similar; similarity in appearance or character

Example

There's a strong resemblance between the two sisters.

二人の姉妹の間には強い類似があります。

B1 verb /rɪˈdʒekt/

reject

拒否する

Meaning

to refuse to accept or consider something

Example

The committee decided to reject the proposal.

委員会は提案を拒否することに決めました。

B2 verb /rɪˈteɪn/

retain

保持する

Meaning

to keep possession of something

Example

The company decided to retain its experienced employees.

会社は経験豊富な従業員を保持することに決めました。

C2 noun /rɪˈdʒɔɪndər/

rejoinder

返答

Meaning

a quick or witty reply; a response to a remark or argument

Example

His sharp rejoinder silenced the crowd.

彼の鋭い返答が群衆を沈黙させた。

A2 noun /ˈroʊbɒt/

robot

ロボット

Meaning

a machine capable of carrying out a complex series of actions automatically

Example

The factory uses robots to assemble cars efficiently.

工場はロボットを使って効率的に車を組み立てています。

C1 verb /riˈdʒɔɪn/

rejoin

再参加する

Meaning

to join again or return to a group, place, or activity

Example

After a short break, she decided to rejoin the team.

短い休憩後、彼女はチームに再参加することに決めました。

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。

C1 verb /ˈrɪdɪkjuːl/

ridicule

嘲笑する

Meaning

To make fun of someone or something in a cruel or dismissive way.

Example

He was ridiculed for his strange ideas.

彼は奇妙な考えのために嘲笑されました。

B2 noun /rɪˈsiː.vər/

Receiver

受話器

Meaning

a person or thing that receives something; the part of a telephone containing the earpiece and mouthpiece

Example

She picked up the receiver to answer the phone call.

彼女は電話に出るために受話器を取った。

C1 verb /rɪˈbʌt/

rebut

反論する

Meaning

to argue against or prove wrong; to refute

Example

The lawyer rebutted the false accusations with strong evidence.

弁護士は強力な証拠で虚偽の告発を反論しました。

B1 adjective /rɪˈmeɪnɪŋ/

remaining

残り

Meaning

still existing or left after others are gone or dealt with

Example

There were only a few remaining tickets for the concert.

コンサートのチケットは残りわずかでした。

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。

再犯者

Meaning

A person who repeatedly commits crimes, especially after having been punished.

Example

The police identified him as a recidivist who had been arrested several times before.

警察は彼を再犯者として特定し、以前に何度も逮捕されていた。