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 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。

C1 adjective /ˈriːɡəl/

regal

王室の

Meaning

Resembling or fit for a king; majestic or royal.

Example

The queen entered the hall with a regal presence.

女王は王室のような存在感でホールに入った。

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 /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。

B1 noun /rɪˈpɔːrtər/

reporter

レポーター

Meaning

a person who reports news or information

Example

The reporter interviewed several people at the scene.

レポーターは現場で数人にインタビューしました。

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。

C1 noun/verb /ˈrɛprɪˌmænd/

reprimand

Meaning

A formal expression of disapproval; to scold or criticize someone officially.

Example

The teacher reprimanded the student for being late.

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。

B2 adjective /rɪˈzɪl.i.ənt/

resilient

回復力のある

Meaning

Able to withstand or recover quickly from difficult conditions.

Example

Resilient materials ensure durability.

回復力のある素材は耐久性を保証します。

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 verb /rɪˈmjuːnəreɪt/

remunerate

報酬を支払う

Meaning

To pay someone for services or work done.

Example

The company will remunerate employees fairly for their overtime.

会社は残業に対して従業員に公正な報酬を支払います。

C2 noun /ˈrɛkluːsəri/

reclusory

隠遁場所

Meaning

A place for seclusion or retreat, especially for a recluse or hermit.

Example

The monk spent years in the reclusory away from society.

その僧侶は社会から離れた隠遁場所で数年を過ごしました。

B1 noun /ˌrek.ə.menˈdeɪ.ʃən/

Recommendation

rueful

後悔した

Meaning

Expressing sorrow, regret, or pity.

Example

He gave a rueful smile after losing the match.

試合に負けた後、彼は後悔の笑顔を見せた。

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。

B2 verb /rɒt/

rot

腐る

Meaning

to decay or decompose; to become corrupt

Example

The fruit will rot if left in the sun.

果物は日光に当たると腐ります。

C1 adjective /rɪˈkʌr.ənt/

Recurrent

再発性の

Meaning

happening repeatedly; occurring again and again; periodic;

Example

She has been suffering from recurrent headaches for months.

彼女は数ヶ月間、繰り返す頭痛に悩まされています。

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。

C2 noun, adjective, verb /ˈrɛprəˌbeɪt/

reprobate

Meaning

A person of immoral character; to express disapproval of; morally corrupt.

Example

The old reprobate spent his days gambling and drinking.

B1 verb /rɪˈkʌvər/

recover

回復する

Meaning

To return to a normal state of health, mind, or strength; to regain or save something.

Example

The world is struggling to recover from the pandemic.

世界はパンデミックから回復しようとしています。

B1 noun, verb /ˈrɒkɪt/

rocket

幸せ

Meaning

a missile or vehicle propelled by a rocket engine; to increase or move very quickly

Example

The company’s profits rocketed after the new product launch.

彼女は賞を受け取ったとき、幸せを隠せませんでした。

B1 noun /rɪˈkɔːdɪŋ/

recording

録音

Meaning

the act or process of recording something

Example

The recording of the interview was clear and loud.

インタビューの録音は明瞭で大きかった。

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。

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。

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。

B1 verb /rɪˈspɒnd/

respond

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。

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 /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。

C2 noun /rɪˈmɒnstrəns/

remonstrance

抗議

Meaning

A forceful protest or objection.

Example

The workers’ remonstrance against unfair treatment was ignored.

労働者たちの不公平な扱いに対する抗議は無視された。

C2 verb /rɪˈspaɪər/

respire

呼吸する

Meaning

To breathe in and out; to inhale and exhale.

Example

Plants also respire to release energy.

植物もエネルギーを放出するために呼吸します。

B2 verb /rɪp/

rip

裂ける

Meaning

to tear something quickly or violently

Example

He accidentally ripped his shirt on the fence.

彼はフェンスでシャツをうっかり裂けてしまいました。

C1 adjective /rɪˈɡrɛtfəl/

regretful

後悔している

Meaning

feeling or showing sadness or disappointment about something that has happened or been done

Example

She gave him a regretful smile as she turned away.

彼女は振り返りながら後悔している笑顔を彼に向けた。

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。

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。

A2 verb /reɪz/

raise

上げる / 増加させる

Meaning

To lift or move something to a higher position; to increase; to bring up.

Example

She raised her hand to ask a question.

彼女は質問をするために手を上げました。

C2 noun /rɪˈpruːf/

reproof

叱責, 非難

Meaning

An expression of blame or disapproval.

Example

His careless words drew a sharp reproof from his mother.

彼の不注意な言葉は、母親からの厳しい叱責を引き起こした。

B1 noun /ˈriː.dʒən/

Region

地域; 区域; 地帯

Meaning

a particular area or part of a country or the world

Example

This region is famous for its wine production.

この地域はワイン生産で有名です。

C2 noun /ˈriːdʒənt/

regent

摂政

Meaning

a person who rules in place of a monarch when the monarch is absent or too young

Example

The prince acted as regent until the king came of age.

王子は王が成人するまで摂政として行動した。

C1 noun /rəʊˈbɒt.ɪk ˈsɜː.dʒər.i/

robotic surgery

ロボット手術

Meaning

Surgery performed with the assistance of robotic systems to enhance precision and reduce invasiveness.

Example

Robotic surgery enhances precision in complex procedures.

ロボット手術は複雑な手順で精度を高めます。

B2 noun /rɪˈfreʃ.mənt/

Refreshment

軽食

Meaning

food and drink that is served as a light meal; something that refreshes

Example

We served light refreshments after the meeting.

会議の後、軽食を提供しました。

B2 verb /rɪˈstreɪn/

restrain

抑制する

Meaning

to hold back or control; to limit or restrict

Example

Please restrain your dog.

犬を制御してください。

B2 noun /ˈrɛzərvwɑːr/

reservoir

貯水池

Meaning

A large natural or artificial lake used as a source of water supply.

Example

The city built a new reservoir to ensure enough drinking water for its residents.

その都市は住民に十分な飲料水を確保するために新しい貯水池を建設した。

C1 noun /rɪˈspɒnsɪvnəs/

responsiveness

反応性

Meaning

The quality of reacting quickly and positively

Example

The manager appreciated her responsiveness to customer feedback.

マネージャーは彼女の顧客からのフィードバックに対する反応性を評価しました。

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.

C1 verb /ˈræn.də.maɪz/

randomize

ランダム化する

Meaning

To make something happen in a random order or manner.

Example

The software can randomize the order of questions.

ソフトウェアは質問の順番をランダマイズできます。

C1 verb /rɪˈɡrɛs/

regress

Meaning

To return to a former or less developed state.

Example

Without proper guidance, the child's progress began to regress.

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。

C1 noun ˌrɛk.əˈlɛk.ʃən

Recollection

記憶

Meaning

Remembering past events or information

Example

His recollection of childhood memories was vivid.

彼の子供時代の記憶は鮮明だった。

B2 adjective /rɪˈnjuː.ə.bəl/

renewable

再生可能

Meaning

Able to be renewed or replaced naturally; not depleted when used.

Example

Renewable resources minimize environmental damage.

再生可能な資源は環境へのダメージを最小限に抑えます。

C2 noun /ˌræʃioʊsɪˈneɪʃən/

ratiocination

推論

Meaning

the process of reasoning or logical thinking

Example

His ratiocination impressed the judges during the debate.

彼の推論は討論中に審査員を感動させた。

C1 noun, verb /raʊt/

rout

敗北

Meaning

A decisive defeat; to defeat completely.

Example

The army routed the enemy forces in the battle.

軍隊は戦いで敵軍を完全に打ち負かしました。

C1 noun rɪˌdʒɛnəˈreɪʃən

regeneration

再生

Meaning

Renewal, growth and development of cells, tissues or energy

Example

Proper rest allows muscle regeneration after exercise.

適切な休息は、運動後の筋肉の再生を促進します。

B2 noun /rɪˈvaɪ.vəl/

Revival

復活

Meaning

an improvement in the condition or strength of something; renewed interest in or attention to something

Example

There has been a revival of interest in traditional crafts.

伝統的な工芸への関心が復活しました。

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。

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。

C1 noun /ˈræftər/

rafter

小屋の梁

Meaning

One of the sloping beams that supports a roof.

Example

The old barn’s rafters were exposed.

古い納屋の小屋の梁がむき出しになっていました。

B2 noun /rɪˈmeɪn.dər/

Remainder

残り; 余り

Meaning

the part that is left over; what remains after the other parts have been taken away

Example

The remainder of the food was stored in the refrigerator.

残りの食べ物は冷蔵庫に保存されました。

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。

C1 noun /rɪˈpɑːzɪtɔːri/

repository

リポジトリ

Meaning

a place where things are stored or kept for safekeeping

Example

The library serves as a repository of knowledge.

図書館は知識のリポジトリとして機能します。

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。

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。

C2 noun /ˈreɪmənt/

raiment

衣服

Meaning

clothing, especially fine or formal wear

Example

The king wore royal raiment during the ceremony.

王は儀式の間、王族の衣服を着ていた。

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 noun /ˈrɛtrəsˌpɛkt/

retrospect

回顧

Meaning

the act of looking back on or reviewing past events

Example

In retrospect, the decision seemed unwise.

回顧すると、その決定は賢明ではなかったように思えた。

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 /ˈræʃənaɪz/

rationlize

合理化する

Meaning

to justify or explain something with logical reasons, even if not appropriate or true

Example

He tried to rationlize his mistake by blaming the system.

彼はシステムを責めて自分のミスを合理化しようとした。

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。

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。

B2 verb rɪˈzaɪn

resign

辞任する

Meaning

Voluntarily leave a job or other position.

Example

Ministers were forced to resign.

大臣たちは辞任を余儀なくされました。

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。

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 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。

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。

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 verb /ˈrek.ən.saɪl/

reconcile

和解する, 調和する

Meaning

Restore friendly relations between; cause to coexist in harmony.

Example

They tried to reconcile their differences through open communication.

彼らは開かれたコミュニケーションを通じて自分たちの違いを和解しようとしました。

C2 noun /red ˌəʊ.liˈæn.dər/

Red oleander

赤いオリンダー

Meaning

a poisonous flowering shrub with bright red or pink flowers

Example

The red oleander blooms throughout the summer months.

赤いオリンダーは夏の数ヶ月間咲きます。

C1 noun ˈrɛp.ə.twɑːr

repertoire

レパートリー

Meaning

A stock of plays, dances, or pieces that a company or a performer knows or is prepared to perform.

Example

The actor's repertoire includes both comedy and drama.

俳優のレパートリーにはコメディとドラマが含まれています。

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。

C1 verb /raɪl/

rile

Meaning

to irritate or annoy someone

Example

His careless comments really riled her.

C1 verb /rɪɡ/

rig

操作する

Meaning

to manipulate or control something dishonestly; to set up equipment

Example

The election was rigged by corrupt officials.

選挙は腐敗した役人によって操作されました。

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 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 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。

C2 adjective /roʊn/

roan

ロアン馬

Meaning

denoting an animal, especially a horse, having a coat of mixed colors, typically reddish-brown and white

Example

The rider mounted a roan horse with a speckled coat.

騎手は斑点のあるコートを持ったロアン馬に乗った。

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 noun /ˈrɛlɪvənsi/

relevancy

repudiate

否定する

Meaning

to refuse to accept, recognize, or support something

Example

He repudiated the claim that he was involved in the scandal.

彼はそのスキャンダルに関与していたという主張を否定しました。

C1 noun /rɪˈvʌlʃən/

revulsion

嫌悪

Meaning

a strong feeling of disgust or repulsion

Example

She felt revulsion at the sight of the cruel act.

彼女はその残酷な行為を見て嫌悪感を覚えた。

B2 verb /rɪˈvaɪv/

revive

蘇生する

Meaning

To bring back to life, consciousness, or activity.

Example

The paramedics managed to revive the unconscious man.

救急隊員は意識不明の男性を蘇生させることに成功した。

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。

C1 adjective rɪˈlɛntləs

relentless

容赦ない

Meaning

Oppressively constant; incessant; showing no abatement of severity, intensity, strength, or pace.

Example

The freedom fighters' relentless struggle led to victory.

自由戦士たちの容赦ない戦いは勝利へと導いた。

C2 noun/adjective /rɪˈmɒnstrənt/

remonstrant

抗議者

Meaning

A person who makes a forceful protest (noun); protesting or objecting (adjective).

Example

He was a remonstrant voice in the assembly.

彼は集会で抗議の声を上げていた。

B1 noun raɪts

rights

権利

Meaning

A moral or legal entitlement to have or obtain something or to act in a certain way.

Example

The rights of people were prioritized.

人々の権利は優先されました。

B2 verb /rɪˈvɜːrt/

revert

戻る

Meaning

to return to a previous state, condition, or practice

Example

The system will revert to its original settings after the update.

システムは更新後、元の設定に戻ります。

B2 adjective /ˈruː.mi/

Roomy

広々とした; 広いスペースのある

Meaning

spacious; having a lot of room

Example

The apartment is very roomy with spacious bedrooms.

アパートメントは広々としており、広いベッドルームがあります。

B2 noun /ˈrɪdəl/

Riddle

謎

Meaning

a question or statement intentionally phrased so as to require ingenuity in ascertaining its answer or meaning; a puzzle

Example

The ancient riddle stumped all the scholars for years.

その古代の謎は何年もの間、すべての学者を困らせました。

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。

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。

A2 noun /ˈriː.zənz/

reasons

理由

Meaning

Causes, explanations, or justifications for an action or event.

Example

Reasons for pollution need addressing urgently.

汚染の理由は緊急に対処する必要があります。

B1 noun rɔː mətɪˈrɪəlz

raw materials

原材料

Meaning

The basic material from which a product is made.

Example

The factory imports raw materials for production.

工場は生産のために原材料を輸入しています。

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 adjective /ˈræʃ.ən.əl/

Rational

合理的な; 論理的な; 理にかなった

Meaning

based on reason and logic; sensible and practical

Example

She made a rational decision based on the available facts.

彼女は利用可能な事実に基づいて合理的な決定を下しました。

C1 adjective /ˈrævənəs/

ravenous

猛烈にお腹がすいている

Meaning

Extremely hungry; famished.

Example

After the long hike, she was ravenous and ate quickly.

長いハイキングの後、彼女は猛烈にお腹がすいて、すぐに食べました。

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.

C1 adjective /ˈraʊzɪŋ/

rousing

興奮させる

Meaning

Exciting, inspiring, or stirring.

Example

The speaker delivered a rousing speech that moved the audience.

スピーカーは聴衆を感動させる興奮させるスピーチをしました。

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。

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。

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 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。

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。

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。

B1 adjective /ˈrel.ə.tɪv/

Relative

相対的

Meaning

considered in comparison to something else; not absolute; comparative

Example

The cost of living is relative to your income level.

生活費はあなたの収入レベルに対して相対的です。

B1 adjective /ˈriː.zən.ə.bəl/

Reasonable

合理的; 公正で実用的; 高すぎない; 論理的

Meaning

fair and sensible; not too expensive; logical and practical

Example

The hotel offers reasonable prices for quality accommodation.

そのホテルは品質の高い宿泊施設に対して合理的な価格を提供しています。

C1 verb /riːl/

reel

つまずく / 巻き取る

Meaning

to lose balance and stagger; to wind or spin something onto a reel

Example

He reeled backward after being punched.

彼は殴られた後、後ろに転んだ。

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 adjective /rɪˈflek.sɪv/

Reflexive

反射的; 内省的

Meaning

directed back on itself; showing deep thought about oneself

Example

She became more reflexive about her behavior after the feedback.

フィードバックの後、彼女は自分の行動についてもっと反省的になりました。

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。

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。

B2 noun /ˌriːprəˈdʌkʃən/

reproduction

再生, 繁殖

Meaning

The process of producing offspring; the act of copying or duplicating.

Example

The textbook included a detailed diagram of human reproduction.

教科書には人間のリプロダクションの詳細な図が含まれていました。