recline
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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。
C1 noun /rɪft/

rift

亀裂
Meaning
a serious break in a relationship; a split or crack
Example
A rift developed between the two friends after the argument.
議論の後、二人の友達の間に亀裂が生じた。
A1 verb /raɪd/

ride

乗る/ライディング
Meaning
to travel on or in a vehicle; to sit on and control a horse
Example
She likes to ride her bicycle to work.
彼女は自転車で仕事に行くのが好きです。
C1 verb /rɪˈsiːd/

recede

後退する
Meaning
To move back or further away from a previous position.
Example
The floodwaters began to recede after the heavy rain stopped.
激しい雨が止んだ後、洪水は後退し始めました。
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 /raɪl/

rile

Meaning
to irritate or annoy someone
Example
His careless comments really riled her.
B2 noun ˈrɛvənuː

revenue

収益
Meaning
Income, especially when of a company or organization.
Example
The company's revenue grew by 10% this year.
会社の収益は今年10%増加しました。
C1 noun /ˈrɛspɪt/

respite

休息
Meaning
A short period of rest or relief from something difficult or unpleasant.
Example
The weekend provided a welcome respite from work.
週末は仕事からの歓迎される休息を提供しました。
B2 adjective /ˈræp.ɪd/

Rapid

迅速な；急速な；素早い；
Meaning
happening in a short time or at a fast pace
Example
The rapid growth of technology has changed our daily lives.
テクノロジーの急速な成長は私たちの日常生活を変えました。
C1 verb /rɪˈpʌls/

repulse

撃退する / 嫌悪感を引き起こす
Meaning
to drive back an attack or attacker by force; to cause intense dislike or disgust
Example
The army managed to repulse the enemy attack.
軍隊は敵の攻撃を撃退することに成功した。
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。
B2 verb /rɪˈzɛmbəl/

resemble

似ている
Meaning
to look like or be similar to something or someone
Example
She resembles her mother in both appearance and mannerisms.
彼女は見た目と仕草の両方で母親に似ています。
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。
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。
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, verb /rɪər/

rear

後ろ / 育てる
Meaning
the back part of something; to bring up or raise children or animals
Example
The mother cat reared her kittens in a quiet corner.
母猫は静かな隅で子猫たちを育てました。
B2 noun /rɪˈlaɪ.əns/

Reliance

依存
Meaning
the state of depending on something or someone for support or help
Example
His reliance on technology is concerning.
技術への依存は懸念すべきことです。
B2 verb /rɪˈkʌvərɪŋ/

recovering

回復
Meaning
the process of getting better after illness, loss, or difficulty
Example
She is still recovering from the flu.
彼女はまだインフルエンザから回復しています。
B2 noun /roʊst/

Roast

ロースト肉
Meaning
Meat cooked by dry heat in an oven or over an open fire
Example
The Sunday roast was perfectly cooked and very tender.
日曜日のローストは完璧に調理され、とても柔らかかった。
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。
C1 verb /ˈrɛplɪkeɪt/

replicate

複製する
Meaning
to copy, reproduce, or duplicate something exactly
Example
The scientist tried to replicate the experiment for accuracy.
科学者は実験を正確に再現しようとしました。
B2 noun /ˈræŋkɪŋ/

ranking

ランキング
Meaning
a position in a list or hierarchy, especially in terms of performance or importance
Example
His ranking in the competition improved after each round.
彼の競技でのランキングは、各ラウンド後に向上しました。
B2 verb /rɪˈfaɪn/

refine

洗練する
Meaning
to improve by making small changes; to purify
Example
The chef refines the recipe to perfection.
シェフはレシピを完璧に洗練します。
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。
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。
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。
B2 noun /rɪˈmaɪndər/

reminder

リマインダー
Meaning
something that helps you remember a fact, event, or action that you need to do or recall
Example
He set a reminder to call his mother on her birthday.
彼は母親の誕生日に電話するためにリマインダーを設定しました。
C1 noun /rɪˈkɜr.əns/

Recurrence

再発
Meaning
the fact of something happening again; an instance of something happening again
Example
The doctor was concerned about the recurrence of the patient's symptoms.
医師は患者の症状の再発について懸念していました。
C1 verb /rɪˈmɪt/

remit

送金する / 免除する
Meaning
To send money in payment or as a gift; to cancel or refrain from exacting a debt or punishment.
Example
He promised to remit the payment by the end of the week.
彼は週の終わりまでに支払いを送金すると約束しました。
C2 noun /ˈræʃənəlɪzəm/

rationalism

合理主義
Meaning
a belief or theory that opinions and actions should be based on reason and knowledge rather than religious belief or emotion
Example
Rationalism emphasizes logic and reasoning over faith.
合理主義は信仰よりも論理と推論を強調します。
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 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 /reɪˈʒiːm/

regime

政権
Meaning
a system or form of government, often authoritarian
Example
The military regime controlled the country for decades.
軍事政権は数十年間国を支配していました。
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。
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。
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。
B2 verb /ˈreɡjəleɪt/

regulate

規制する
Meaning
to control or maintain according to rules or laws
Example
The government regulates food safety.
政府は食品安全を規制しています。
C1 noun rɪˈdʒɛn.ər.ə.tɪv ˈfɑːr.mɪŋ

regenerative farming

再生農業
Meaning
Agricultural practices that improve soil health and biodiversity.
Example
Regenerative farming improves soil fertility and biodiversity.
再生農業は土壌の肥沃度と生物多様性を向上させます。
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.
C1 adjective /rɪˈstreɪnd/

restrained

抑制された
Meaning
characterized by reserve or self-control; held back
Example
Her restrained reaction surprised everyone.
彼女の抑制された反応は皆を驚かせました。
C2 noun/verb /ˈrɛkəmˌpɛns/

recompense

賠償
Meaning
to compensate someone for loss or harm suffered; compensation given for damage or injury
Example
The company offered financial recompense to the injured worker.
その会社は負傷した労働者に対して金銭的な賠償を提供しました。
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。
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。
B2 adjective /ˈruː.tɪd/

Rooted

根付いた
Meaning
deeply established; firmly fixed
Example
His beliefs are deeply rooted in tradition.
彼の信念は伝統に深く根ざしている。
C2 adjective /rɪˈdjuːsəbl̩/

reducible

Meaning
capable of being simplified, lessened, or made smaller
Example
The problem is complex but reducible to a few basic principles.
C1 noun /ˈrɛɡjəleɪtər/

regulator

調整装置
Meaning
a person or device that controls or maintains the operation of a system
Example
The government appointed a new regulator for the financial sector.
政府は金融セクターの新しい規制機関を任命した。
B2 adjective rɪˈnaʊnd

renowned

著名
Meaning
Known or talked about by many people; famous.
Example
The renowned scientist led the reform panel.
その著名な科学者は改革パネルを指導しました。
B2 verb /ˈrʌm.bəl/

rumble

幸せ
Meaning
to make a continuous deep, resonant sound
Example
Thunder rumbled in the distance.
彼女は賞を受け取ったとき、自分の幸せを隠すことができませんでした。
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。
B1 adjective /rɪˈtaɪərd/

Retired

引退した
Meaning
having left one's job and ceased to work; withdrawn from activity
Example
My retired grandfather enjoys gardening in his free time.
私の引退した祖父は自由な時間に園芸を楽しんでいます。
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。
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。
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。
C2 noun /ˈrɛk.tɪ.tjuːd/

rectitude

誠実
Meaning
Morally correct behavior or thinking; righteousness and integrity.
Example
His rectitude earned him respect in society.
彼の誠実さは社会で尊敬を得た。
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。
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 /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。
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。
C1 noun /rɪˈsaɪtl/

recital

リサイタル
Meaning
A performance of music, dance, or poetry, usually by a soloist.
Example
She gave a piano recital at the concert hall.
彼女はコンサートホールでピアノのリサイタルを行いました。
C1 adjective /ˈreɪdiənt/

radiant

輝く
Meaning
Shining brightly; expressing great happiness.
Example
She looked radiant in her wedding dress.
彼女はウェディングドレスで輝いて見えました。
C2 adjective /rɪˈdaʊ.tə.bəl/

redoubtable

恐ろしい/尊敬すべき
Meaning
formidable, especially as an opponent; inspiring fear or respect
Example
She was a redoubtable leader who commanded respect from all.
彼女は全員から尊敬を集める恐ろしいリーダーだった。
C1 verb /ˌriːɪnˈsteɪt/

reinstate

再雇用する
Meaning
To restore someone or something to their former position or condition.
Example
The company decided to reinstate the suspended employee.
その会社は停止された従業員を再雇用することを決定した。
B2 verb /ˈrɛkən/

reckon

推測する
Meaning
To think, believe, or expect something; to calculate or estimate.
Example
I reckon it will rain later today.
今日は後で雨が降るだろうと思います。
C1 adjective /rɪˈvɜː.sə.bəl/

Reversible

可逆的な
Meaning
able to be turned the other way around; able to be undone or changed back
Example
This jacket is reversible and can be worn on both sides.
このジャケットはリバーシブルで、両面で着られます。
B2 verb /rɪˈzɜːv/

reserve

予約する
Meaning
to keep something for future use; to book in advance
Example
I want to reserve a table for dinner.
ディナーのためにテーブルを予約したいです。
B2 noun /raɪˈnɒs.ər.əs/

Rhinoceros

サイ
Meaning
a large, heavy animal with thick skin and one or two horns on its nose
Example
The rhinoceros charged through the grassland.
サイは草原を突進した。
C2 verb /ˈræpsəˌdaɪz/

rhapsodize

熱狂的に話す
Meaning
to speak or write with great enthusiasm and admiration
Example
He would often rhapsodize about his travels to Europe.
彼はよくヨーロッパ旅行について熱心に話していた。
C2 verb /rɪˈkænt/

recant

撤回する
Meaning
to withdraw or renounce a statement or belief formally
Example
He recanted his previous statement in court.
彼は裁判で以前の発言を撤回しました。
A1 noun, verb /rɛst/

rest

Meaning
to cease work or movement in order to relax or recover strength
Example
He needs to rest after the long journey.
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 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 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。
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。
B1 verb /rɪˈleɪt/

relate

関連する
Meaning
to connect or show a link between; to tell a story
Example
She relates her experience to the audience.
彼女は観客に自分の経験を話します。
C2 verb /rɪˈfrækt/

refract

屈折する
Meaning
To bend light, sound, or heat as it passes through a medium.
Example
The water refracts light, making the straw look bent.
水は光を屈折させ、ストローが曲がって見える。
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。
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 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。
C2 noun /ræpˈskæliən/

rapscallion

いたずら好きな人
Meaning
A mischievous or cheeky person; a rascal.
Example
The little rapscallion hid his brother’s shoes as a prank.
小さなラプスカリオンは兄の靴をいたずらで隠した。
C1 verb /reɪv/

rave

絶賛する
Meaning
to speak or write about something with great enthusiasm or admiration
Example
Critics rave about the new movie.
批評家たちは新しい映画を絶賛しています。
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 noun /rɪdʒ/

ridge

山の稜線または頂上
Meaning
a long, narrow hilltop, mountain range, or raised strip
Example
We walked along the mountain ridge.
私たちは山脈の稜線に沿って歩きました。
B2 adjective /ˈrɪtʃ.u.əl/

Ritual

儀式
Meaning
relating to religious or ceremonial practices
Example
The wedding ceremony included many traditional ritual elements.
結婚式では多くの伝統的な儀式が行われました。
B2 noun /ˈruːmər/

rumor

噂
Meaning
a currently circulating story or report of uncertain or doubtful truth.
Example
There’s a rumor that the company will merge next year.
来年、会社が合併するという噂があります。
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。
C1 verb /rɪˈfjuːt/

refute

反論する
Meaning
To prove a statement, argument, or theory to be false or invalid.
Example
The lawyer refuted the witness's testimony with solid evidence.
弁護士は証人の証言を確かな証拠で反論しました。
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。
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。
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。
B2 noun /ˈrʊki/

rookie

初心者
Meaning
a person who is new to an activity or organization; a beginner
Example
The rookie policeman made a few mistakes on his first day.
新米警官は初日にいくつかのミスを犯しました。
B2 noun /ˌrɛfəˈriː/

referee

審判
Meaning
a person who oversees a game or match to ensure the rules are followed
Example
The referee stopped the game after a foul.
審判はファウルの後、試合を停止しました。
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。
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。
C2 adjective /rɪˈprɛsəbl̩/

repressible

抑制可能
Meaning
Capable of being restrained or suppressed.
Example
The movement proved to be hardly repressible.
その運動はほとんど抑制可能であることが証明されました。
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。
A1 adjective /ˈrɛd.i/

ready

準備ができた
Meaning
Prepared or available for use or action.
Example
She was ready to leave for the airport.
彼女は空港に行く準備ができていた。
C1 verb /ˌriːɪmˈbɜːrs/

reimburse

払い戻す
Meaning
to pay back money to someone who has spent it or lost it
Example
The company reimbursed him for travel expenses.
会社は彼に旅行費用を払い戻しました。
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。
C2 adjective /ˈræfɪʃ/

raffish

型破りで少し評判が悪いが魅力的
Meaning
unconventional and slightly disreputable but attractive
Example
He had a raffish charm that made him popular in the city.
彼は街で人気がある理由は、レイフィッシュな魅力があったからだ。
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。
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 /ˈrɪski/

risky

Meaning
Involving the possibility of danger, harm, or loss
Example
Investing in that startup is risky but could bring high rewards.
B2 adjective /ˈrɪɡ.ər.əs/

rigorous

厳格な
Meaning
Extremely thorough and demanding in analysis or practice.
Example
A rigorous study plan helps students achieve better results.
厳格な学習計画は、学生がより良い結果を得るのに役立ちます。
C1 noun /ˌrek.ənˌsɪl.iˈeɪ.ʃən/

reconciliation

和解
Meaning
The restoration of friendly relations; the action of making one view or belief compatible with another.
Example
The peace treaty was a major step toward reconciliation.
平和条約は和解への重要な一歩でした。
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。
B2 verb /rɪˈkruːt/

recruit

採用する
Meaning
to enlist or hire people for a job, service, or membership
Example
The company is trying to recruit more software engineers.
その会社はもっと多くのソフトウェアエンジニアをリクルートしようとしています。
C1 adjective /ˈraɪ.tʃəs/

Righteous

正義の; 公正な; 道徳的な
Meaning
morally right or justifiable; virtuous; having strong moral principles
Example
She felt righteous anger at the unfair treatment of workers.
彼女は労働者の不当な扱いに対して正義の怒りを感じました。
B2 adjective /rɪˈɡret.ə.bəl/

Regrettable

残念な; 失望させる; 悲しい
Meaning
causing or deserving regret; unfortunate; deplorable
Example
It is regrettable that so many talented people left the company.
こんなに多くの才能ある人々が会社を辞めたのは残念です。
B2 noun /ˈrɪb.ən/

ribbon

リボン
Meaning
a long, narrow strip of fabric used for tying or decoration
Example
She tied her hair with a red ribbon.
彼女は赤いリボンで髪を結びました。
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 /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。
C2 verb /rɪˈɡeɪl/

regale

楽しませる
Meaning
To entertain or amuse someone with stories, food, or drink.
Example
He regaled us with stories of his travels around the world.
彼は世界中を旅した話で私たちを楽しませました。
B2 noun ˌrɛstəˈreɪʃən

restoration

修復
Meaning
The process of returning something to its former condition.
Example
The restoration of the forest began after decades of neglect.
森林の修復は数十年の放置後に始まりました。
C2 noun /rɪˈpæst/

repast

食事
Meaning
A meal or the food eaten during a meal.
Example
They enjoyed a delicious repast by the riverside.
彼らは川辺で美味しい食事を楽しんだ。
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。
A1 noun /ˈrɪv.ər/

River

川
Meaning
a large natural stream of water flowing in a channel to the sea, a lake, or another river
Example
The river flows through the valley and into the ocean.
川は谷を流れ、海に注ぎ込む。
B2 noun /rɪˈfjuː.zəl/

Refusal

拒否; 拒絶
Meaning
the act of saying no to something or not accepting something
Example
His refusal to cooperate made the project more difficult.
彼の協力拒否はプロジェクトをさらに難しくした。
B1 noun roʊps

ropes

ロープ
Meaning
A length of thick strong cord made by twisting together strands of hemp, sisal, nylon, or similar material.
Example
The ropes were tied securely to lift the heavy load.
ロープは重い荷物を持ち上げるためにしっかりと結ばれていました。
B2 verb /reɪn/

reign

統治する
Meaning
to rule as a king or queen; to be dominant
Example
The queen reigned for over sixty years.
女王は60年以上統治していました。
B2 noun /rɛlm/

realm

Meaning
A kingdom or domain; a field or area of activity or interest.
Example
He is well known in the realm of science.
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。