A2 noun /ruːl/

rule

規則

Meaning

an accepted principle or instruction that states what is allowed or what must be done.

Example

There are strict rules about safety in the lab.

実験室には安全に関する厳しい規則があります。

B1 verb /rɪˈtaɪə/

retire

引退する

Meaning

to stop working after reaching a certain age or having completed a career

Example

She decided to retire after working for 40 years.

彼女は40年間働いた後、引退することに決めました。

C1 noun /rɪˈkɒnɪsəns/

reconnaissance

偵察

Meaning

A survey or exploration, especially for military or strategic purposes.

Example

The soldiers conducted a reconnaissance of the enemy camp.

兵士たちは敵のキャンプの偵察を行った。

C1 verb /rɪˈklaɪn/

recline

リクライニングする

Meaning

To lean or lie back in a relaxed position.

Example

She reclined on the sofa with a book.

彼女はソファで本を持ってリクライニングしていた。

B1 verb /ˈreskjuː/

rescue

救助する

Meaning

to save someone or something from danger or harm

Example

The firefighters rescued the cat from the tree.

消防士は木から猫を救助しました。

C1 noun /rɪˈdʒɔɪsɪŋ/

rejoicing

喜び

Meaning

The action of showing great joy or happiness

Example

There was much rejoicing after the victory.

勝利後、多くの喜びがありました。

C1 noun /rɪˈfɜːrər/

referrer

紹介者

Meaning

a person who directs someone to another person or service

Example

The referrer earned a bonus for recommending a new client.

紹介者は新しい顧客を推薦したことでボーナスを得ました。

B2 adjective /rɪˈzɪstənt/

resistant

耐性

Meaning

not affected by something; able to oppose or withstand

Example

This fabric is resistant to water and stains.

この布は水と汚れに強いです。

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 verb /rɪˈprɛs/

repress

Meaning

To restrain, suppress, or keep under control, especially emotions or desires.

Example

He tried to repress his anger during the meeting.

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 verb /rɪˈtɔːrt/

retort

反論

Meaning

To reply quickly or sharply, often in a witty or angry manner.

Example

He quickly retorted that he was not to blame.

彼は素早く反論した、彼が悪くないと言った。

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 verb /rɪˈzɛnt/

resent

恨む

Meaning

to feel bitterness or displeasure about something or someone

Example

She began to resent the constant criticism from her boss.

彼女は上司からの絶え間ない批判をリゼントし始めました。

C2 noun /ˈreɪləri/

raillery

友好的な冗談

Meaning

good-humored teasing or joking

Example

Their friendship was full of light-hearted raillery.

彼らの友情は軽い冗談で満ちていました。

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。

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。

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。

C1 adjective /rɪˈtaɪərɪŋ/

retiring

内向的

Meaning

Shy and reserved; avoiding social contact.

Example

She is a quiet, retiring woman who avoids attention.

彼女は静かで内向的な女性で、注目を避ける。

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。

C1 noun /ˌrɛs.ɪˈprɒs.ɪ.ti/

reciprocity

相互利益のために他の人と物を交換する行為

Meaning

The practice of exchanging things with others for mutual benefit.

Example

Business relationships thrive on reciprocity.

ビジネス関係は相互利益に依存しています。

C1 verb /rɪˈdiːm/

redeem

償う

Meaning

to compensate for faults or mistakes; to exchange something for value

Example

He managed to redeem his reputation after the scandal.

彼はスキャンダル後に自分の評判を回復しました。

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。

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。

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。

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 noun /rɪˈvaɪ.zəl/

revisal

改訂

Meaning

The act of revising, reviewing, or making changes to something.

Example

The revisal of the contract took longer than expected.

契約の改訂には予想以上の時間がかかりました。

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。

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。

C2 noun /rɪˈfræk.tər/

refractor

屈折望遠鏡

Meaning

A type of telescope that uses lenses to focus light.

Example

Refractor telescopes use lenses to focus light.

屈折望遠鏡は光を集中させるためにレンズを使用します。

A2 verb /rɪˈtɜːrn/

return

帰る

Meaning

to come or go back to a place; to give back

Example

I will return home tomorrow.

私は明日家に帰ります。

B2 noun ˌrev.əˈluː.ʃənz

revolutions

革命

Meaning

Dramatic and wide-reaching changes in political, social, or economic systems, often involving the overthrow of a government or social order.

Example

Revolutions often lead to significant societal changes.

革命はしばしば社会的な変革をもたらす。

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。

B2 noun /ˈriːteɪlər/

retailer

小売業者

Meaning

a person or business that sells goods to consumers rather than to other businesses

Example

The retailer offers discounts on electronic products.

小売業者は電子製品に割引を提供しています。

C2 adjective /rɪˈsplɛndənt/

resplendent

輝かしい

Meaning

Shining brilliantly; dazzling in appearance or effect

Example

The bride looked resplendent in her wedding gown.

花嫁はウェディングドレスで輝いて見えました。

A1 adjective /ˈreɪ.di.əʊ/

radio

ラジオ

Meaning

Relating to radio waves or broadcasting.

Example

FAST is the largest radio telescope in the world.

FASTは世界最大のラジオ望遠鏡です。

B2 noun/verb /rɪˈmɑːrk/

remark

発言

Meaning

something that is said; a comment

Example

She made a remark about the weather.

彼女は天気について発言した。

B2 noun /ˌreɡ.jʊˈlær.ɪ.ti/

Regularity

規則正しさ

Meaning

the quality of being regular; occurring at fixed intervals or in a consistent pattern

Example

The regularity of his exercise routine helped him stay healthy.

彼の運動習慣の規則正しさが健康を維持するのに役立ちました。

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。

C1 verb /rɪˈtreɪs/

retrace

Meaning

to go back over a path or route; to recall and repeat steps taken earlier

Example

She retraced her steps to find her lost keys.

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 /rɪˈtælieɪt/

retaliate

報復する

Meaning

to make an attack in return for a similar attack

Example

The army retaliated after the enemy attack.

軍隊は敵の攻撃の後、報復した。

C1 noun /ˈroʊz ˈwɔː.tər/

Rose-water

ローズウォーター

Meaning

a flavored water made by steeping rose petals in water, used in cooking and cosmetics

Example

She added a few drops of rose-water to the dessert.

彼女はデザートにローズウォーターを数滴加えました。

C1 verb /ˈræʃənəlaɪz/

rationalize

合理化する

Meaning

to attempt to explain or justify behavior or decisions with logical reasons, even if they are not true or appropriate

Example

She tried to rationalize her lateness by blaming the traffic.

彼女は交通渋滞を責めて、遅刻を合理化しようとした。

B2 noun, verb /ræmp/

ramp

ランプ

Meaning

a sloping surface joining two different levels; as a verb, to increase or rise sharply

Example

The car drove up the ramp into the parking garage.

車は駐車場のランプを上がった。

C1 noun /rɪˌsɛptɪˈvɪti/

receptivity

受容性

Meaning

The ability or willingness to receive something, especially signals or stimuli.

Example

Her receptivity to new ideas helped improve the project.

新しいアイデアへの受容性がプロジェクトの改善に役立った。

B2 adjective /ˈrʌn daʊn/

run-down

荒れ果てた

Meaning

in a poor condition; worn out or neglected

Example

They live in a run-down house at the edge of town.

彼らは町の端にある荒れ果てた家に住んでいます。

C1 adjective /raɪf/

rife

蔓延している

Meaning

widespread or common, often in a negative sense

Example

Corruption was rife in the old government system.

腐敗は古い政府制度に蔓延していた。

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。

B1 verb /rɪˈfɜː/

refer

参照する

Meaning

to mention or allude to something; to direct someone to a source of information

Example

Please refer to page 45 for more details.

詳細については、ページ45をご参照ください。

B1 adverb /ˈriː.zən.ə.bli/

Reasonably

合理的に; 適度に;

Meaning

in a sensible way; fairly; to a moderate degree

Example

The hotel room was reasonably priced for the location.

そのホテルの部屋は場所に対して合理的な価格で提供されていました。

C2 noun /ˈreɪdɪks/

radix

基数

Meaning

the base or root of something; the number on which a system of numeration is built

Example

In mathematics, the decimal system has a radix of ten.

数学では、十進法の基数は十です。

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 /ruː/

rue

後悔する

Meaning

To feel regret or sorrow about something.

Example

She will rue the day she trusted him.

彼女は彼を信じたその日を後悔するだろう。

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。

B2 adjective /ˈreɪsɪst/

racist

人種差別主義者

Meaning

showing or feeling discrimination or prejudice against people of other races

Example

He was accused of making racist comments.

彼は人種差別的なコメントをしたとして非難された。

B1 noun /rɪˈɡret/

Regret

後悔

Meaning

a feeling of sadness or disappointment about something that has happened or been done

Example

She felt deep regret about her harsh words.

彼女は自分の辛辣な言葉に深い後悔を感じていました。

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。

C1 noun rɪˈdɛmpʃən

redemption

贖い

Meaning

The action of saving or being saved from sin, error, or evil.

Example

The story highlights the theme of redemption.

その物語は償いのテーマを強調しています。

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。

C1 noun /ˈrʌbəl/

rubble

瓦礫

Meaning

Broken stone, bricks, or debris from a collapsed building or structure.

Example

The rescue team searched through the rubble after the earthquake.

地震後、救助隊は瓦礫の中を探しました。

B2 verb /rɪˈfreɪn/

refrain

控える

Meaning

To hold oneself back from doing something.

Example

Please refrain from smoking in this area.

このエリアでの喫煙はご遠慮ください。

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 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。

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。

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.

C1 verb /rɪˈnɛɡ/

renege

約束を破る

Meaning

to go back on a promise, agreement, or commitment

Example

The company reneged on its promise to increase wages.

その会社は賃金を引き上げるという約束を破りました。

A2 noun /ˈruːlər/

ruler

支配者; 定規

Meaning

A person who governs or controls a country; a straight-edged tool used for measuring or drawing lines

Example

The ruler drew a straight line on the paper while the king was a powerful ruler of his kingdom.

ルーラーは紙にまっすぐな線を引き、王は自分の王国の強力な支配者でした。

C2 noun /ˈrɛd.ə.ləns/

redolence

香り

Meaning

a pleasant smell or the quality of suggesting something strongly

Example

The redolence of jasmine filled the evening air.

ジャスミンの香りが夕方の空気を満たした。

C1 noun /ˌriːhəˌbɪlɪˈteɪʃən/

rehabilitation

幸福

Meaning

the process of restoring someone or something to health or normal life through training or therapy

Example

After the accident, he went through months of rehabilitation to walk again.

彼女は賞を受け取ったとき、自分の幸福を隠せなかった。

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。

C2 adjective /rɪˈflɛksəbl/

reflexible

反射可能な

Meaning

Capable of being reflected or bent back.

Example

The surface was highly reflexible, bouncing light in different directions.

その表面は非常に反射可能で、光を異なる方向に反射させていました。

C2 noun /ˈrɒndoʊ/

rondo

音楽作品（繰り返しのテーマを持つ）

Meaning

a musical composition with a recurring leading theme

Example

The pianist ended the recital with a lively rondo.

ピアニストは生き生きとしたロンドでリサイタルを終えました。

C1 adjective /ˈrek.wɪ.zɪt/

Requisite

必要な; 必須の

Meaning

made necessary by particular circumstances; required

Example

Good communication skills are requisite for this job.

この仕事には良いコミュニケーションスキルが必要です。

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。

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。

C2 adjective /rəˈkoʊkoʊ/

rococo

ロココ

Meaning

characterized by ornate detail and elaborate decoration, especially in art, architecture, and design

Example

The palace was decorated in a lavish rococo style.

宮殿は豪華なロココ様式で装飾されていました。

C2 noun /ˈrɪp.lɪt/

ripplet

小さな波

Meaning

a small or tiny ripple

Example

Tiny ripplets appeared on the lake as the fish moved.

魚が動くと湖に小さな波が現れました。

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 /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。

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。

C2 noun /ˌrækənˈtɜːr/

Raconteur

幸せ

Meaning

a person who tells anecdotes in a skillful and amusing way

Example

The old man was a gifted raconteur who entertained everyone with his stories.

彼女は賞を受け取ったとき、喜びを隠せなかった。

C1 adjective /ˈrɪkɪti/

rickety

ぐらつく

Meaning

Poorly made and likely to collapse; shaky.

Example

They crossed a rickety wooden bridge over the river.

彼らは川を越える不安定な木製の橋を渡りました。

C1 noun /ˈrɒndɪvuː/

rendezvous

会合

Meaning

a meeting or appointment at an agreed time and place

Example

They arranged a secret rendezvous at the café.

彼らはカフェで秘密の会合を手配しました。

C2 adjective /rɪˈzɪstləs/

resistless

抗えない

Meaning

Impossible to resist; having an overpowering effect.

Example

She felt a resistless urge to laugh at the joke.

彼女はジョークで笑いたいという抗えない衝動を感じた。

A2 verb /raɪz/

rise

上がる

Meaning

to move upward; to get up from bed; to increase

Example

The sun rises in the east.

太陽は東から昇ります。

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 /ˈrɪbɔːld/

ribald

下品な冗談

Meaning

Referring to sexual matters in a humorous or vulgar way.

Example

The comedian’s ribald jokes made the audience laugh uncomfortably.

コメディアンの下品な冗談は観客を不快にさせながら笑わせた。

C1 noun ˌriːˌvaɪ.təl.aɪˈzeɪ.ʃən

revitalization

再生

Meaning

The action of giving new life and vitality to something.

Example

Proper rest and nutrition lead to revitalization of the body.

適切な休息と栄養は体のリバイタライゼーションに繋がります。

C1 noun /rɪˈvɜːrʒən/

reversion

逆転

Meaning

the act of returning to a previous state or condition

Example

The new policy marked a reversion to traditional methods.

新しい政策は伝統的な方法への逆転を意味しました。

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 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。

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。

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。

B1 noun rɪˌspɒnsəˈbɪlɪti

responsibility

責任

Meaning

The state or fact of having a duty to deal with something or of having control over someone.

Example

Taking responsibility for one's actions is a sign of maturity.

自分の行動に責任を持つことは、成熟の証です。

B2 verb rɪˈstɔːr

restore

復元する

Meaning

To bring back to a former or original state; to reinstate.

Example

Restoring the tradition of student politics is necessary.

学生政治の伝統を復元することが必要です。

C1 noun /riːk/

Reek

悪臭がする; 不快または望ましくない印象を与える

Meaning

to have a very unpleasant smell; to give a strong impression of something unpleasant or undesirable

Example

The garbage can reeks of rotten food.

ゴミ箱は腐った食べ物の臭いがする。

C1 verb /rɪˈsɜːrdʒ/

resurge

再興

Meaning

To rise, increase, or become active again after a decline.

Example

Interest in traditional crafts has begun to resurge.

伝統工芸に対する関心が再び高まり始めています。

C1 adjective /ræpt/

Rapt

夢中な

Meaning

completely fascinated or absorbed by what one is seeing or hearing

Example

The children listened with rapt attention to the storyteller.

子供たちは物語の語り手に夢中で耳を傾けました。

B2 adjective /ˈrɪdʒ.ɪd/

Rigid

硬直

Meaning

hard and stiff; not able to bend; strict and unwilling to change

Example

The company has a rigid dress code that all employees must follow.

会社にはすべての従業員が従う必要がある厳格なドレスコードがあります。

C1 adjective /rɪˈsɛsɪv/

recessive

潜性

Meaning

In genetics, relating to a trait that is expressed only when two copies of the gene are present.

Example

Blue eye color is often a recessive trait.

青い目の色はしばしばリセシブな特徴です。

B2 adjective /rɪˈstrɪk.tɪd/

Restricted

制限された; 制御された; 制限付き

Meaning

limited or controlled; subject to restrictions

Example

Access to this area is restricted to authorized personnel only.

このエリアへのアクセスは、認可されたスタッフのみが制限されています。

C2 adjective /ˈreə.rɪ.faɪd/

rarefied

Meaning

Of high moral, intellectual, or cultural value; distant from ordinary life.

Example

He works in the rarefied world of classical music.

C1 verb /ˌrɛzəˈrɛkt/

resurrect

復活させる

Meaning

To bring back to life or revive something from the past.

Example

The director decided to resurrect the old play for a new audience.

監督は新しい観客のために古い劇を復活させることに決めました。

B2 noun /ˌrɛɡ.jʊˈleɪ.ʃən/

regulation

権限によって作成され、維持される規則または指示

Meaning

A rule or directive made and maintained by an authority.

Example

Government regulation ensures fair business practices.

政府の規制は公平なビジネス慣行を確保します。

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。

B2 verb /ˈrɛnəˌveɪt/

renovate

改装する

Meaning

to restore something old to a good state or to improve it

Example

They decided to renovate the old house before moving in.

彼らは引っ越す前に古い家を改装することに決めました。

B2 verb /reɪl/

rail

抗議する

Meaning

to complain or protest strongly about something

Example

He railed against the unfair decision.

彼は不公平な決定に対して強く抗議した。

B2 verb /reɪp/

rape

強姦

Meaning

to force someone to have sexual intercourse without their consent

Example

The law strictly punishes those who commit rape.

法律は強姦を犯した者に厳罰を与えます。

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。

A2 adverb /ˈrɑː.ðər/

Rather

むしろ; ～の代わりに;

Meaning

to some extent; instead; preferably

Example

I would rather stay home than go to the party.

パーティーに行くよりも家にいる方がいい。

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。

C1 verb /ˌrekəˈlekt/

recollect

思い出す

Meaning

to remember something; to recall from memory

Example

I can't recollect where I put my keys.

鍵をどこに置いたか思い出せません。

A2 noun /rɪˈzʌlt/

result

結果

Meaning

a consequence, effect, or outcome of something

Example

The result of the test was excellent.

テストの結果は素晴らしかった。

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 /ˈrævənɪŋ/

ravening

非常に空腹で貪欲

Meaning

Extremely hungry and greedy; voracious.

Example

The ravening wolves circled the camp.

空腹の狼たちはキャンプを囲んだ。

C1 adjective /rɪˈzɪdjuəl/

residual

残余

Meaning

Remaining after the greater part has gone.

Example

The patient experienced residual pain after the surgery.

患者は手術後に残余の痛みを感じました。

C2 adjective /ræpˈtɔːriəl/

raptorial

肉食鳥

Meaning

Relating to birds of prey or predatory behavior.

Example

The eagle is a raptorial bird with sharp talons.

ワシは鋭い爪を持つ肉食鳥です。

C1 noun /ˈrɛtɪsəns/

reticence

沈黙

Meaning

the quality of being reserved or unwilling to speak freely

Example

His reticence made it difficult to know what he was thinking.

彼の沈黙は、彼が何を考えているのかを知るのを難しくしました。

C1 noun /riˈæktənt/

reactant

Meaning

A substance that takes part in and undergoes change during a chemical reaction.

Example

Oxygen is a reactant in the process of combustion.

B2 adverb /ˈred.ɪ.li/

Readily

快く; 簡単に; ためらわずに

Meaning

willingly; easily; without hesitation

Example

She readily agreed to help with the project.

彼女は喜んでプロジェクトを手伝うことに同意した。