Reprisal
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C1 noun /rɪˈpraɪ.zəl/

Reprisal

報復
Meaning
an act of retaliation; revenge taken for an injury or wrong
Example
The attack was carried out as a reprisal for the earlier bombing.
この攻撃は以前の爆撃に対する報復として行われました。
C2 adjective /rɪˈmiːdiəbl/

remediable

修正可能
Meaning
capable of being corrected or cured
Example
The mistake was serious but still remediable.
その誤りは重大でしたが、まだ修正可能でした。
C2 noun /ˌriːkruːˈdɛsəns/

recrudescence

再発
Meaning
a new outbreak or revival of something that had subsided, especially an undesirable condition
Example
Health officials warned of a recrudescence of measles in several districts.
保健当局は複数の地区で麻疹の再発の警告を出しました。
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 noun /ˌrɪəlɪˈzeɪʃən/

realization

実現
Meaning
the act of becoming fully aware of something as a fact
Example
Her realization of the problem helped solve the issue.
彼女の問題の認識が問題解決に役立った。
C1 adjective /ˌruː.dɪˈmen.tər.i/

Rudimentary

基本的な; 初歩的な; 未発達な; 発展の初期段階にある
Meaning
basic; elementary; undeveloped; in the earliest stage of development
Example
She has only rudimentary knowledge of French.
彼女はフランス語についての初歩的な知識しか持っていません。
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。
B1 verb /rɪˈflekt/

reflect

反映する
Meaning
to think deeply about; to mirror back light or image
Example
The mirror reflects her beautiful face.
鏡は彼女の美しい顔を反映しています。
A2 adjective /riːl/

Real

本物の; 真正の; 偽物ではない
Meaning
actually existing; genuine; not imaginary or fake
Example
This is a real diamond, not a fake one.
これは本物のダイヤモンドです。偽物ではありません。
C1 noun /ˈreɪ.vən/

Raven

ワタリガラス
Meaning
a large, black bird with a thick bill and harsh croaking voice
Example
The raven perched on the old oak tree and cawed loudly.
ワタリガラスが古いオークの木に止まり、大きな声で鳴いた。
C2 verb /ˈrævɪʃ/

ravish

魅了する
Meaning
To fill with intense delight; to captivate or enchant.
Example
The beauty of the sunset ravished the travelers.
夕日の美しさが旅行者を魅了した。
C1 adjective /ˈrɪvɪtɪŋ/

riveting

魅力的な
Meaning
extremely interesting; holding the complete attention
Example
The movie was so riveting that nobody looked away.
その映画はとても魅力的で、誰も目を離すことができませんでした。
B1 noun /rɪˈsɜːtʃə(r)/

researcher

研究者
Meaning
a person who conducts research
Example
The researcher published her findings in a scientific journal.
研究者は科学的なジャーナルに彼女の研究結果を発表しました。
B2 noun/verb rɪˈfɔːm

reform

改革
Meaning
Make changes in (something, typically a social, political, or economic institution or practice) in order to improve it.
Example
Reform in the education system was a priority.
教育システムの改革は優先事項でした。
B1 noun /ˈrʌbɪʃ/

Rubbish

ゴミ; 無駄な物; ナンセンス
Meaning
waste material; refuse or litter; nonsense or worthless things
Example
Please throw the rubbish in the bin.
ゴミをゴミ箱に捨ててください。
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。
C2 noun /ruːθ/

ruth

同情
Meaning
A feeling of pity, compassion, or sorrow.
Example
He felt no ruth for the people he had betrayed.
彼は裏切った人々に対して一切の同情を感じなかった。
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。
C2 noun /rɪˈkɒɡnɪzəns/

recognizance

法的義務
Meaning
A legal obligation or bond entered into before a court, especially to ensure future appearance.
Example
He was released on his own recognizance.
彼は自分の法的義務で釈放されました。
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。
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。
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 /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 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 noun /rɪˈmɪt.əns/

Remittance

送金
Meaning
A sum of money sent in payment or as a gift.
Example
The country's economy benefits from expatriate remittance.
その国の経済は、移住者からの送金によって利益を得ている。
C2 noun /ˌrɛv.əˈkeɪ.ʃən/

revocation

取り消し
Meaning
The act of officially canceling or withdrawing something.
Example
The court ordered the revocation of his license.
裁判所は彼のライセンスの取り消しを命じました。
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 adjective /rɪˈfʌldʒənt/

refulgent

輝く
Meaning
Shining brightly; radiant.
Example
The refulgent sun lit up the entire valley.
輝く太陽が谷全体を照らした。
C1 adjective /ˌrɛmɪˈnɪsənt/

reminiscent

思い出させる
Meaning
Tending to remind one of something; suggestive of something in the past.
Example
The smell of rain is reminiscent of my childhood in the village.
雨の匂いは私の村での子供時代を思い出させる。
C1 noun /ˈreɪ.biːz/

rabies

狂犬病
Meaning
A viral disease that causes inflammation of the brain in humans and other mammals, usually transmitted through animal bites.
Example
The dog was vaccinated against rabies.
犬は狂犬病のワクチンを接種しました。
B1 noun 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 /ˈrɛl.ɪk/

relic

遺物
Meaning
an object surviving from an earlier time, often of historical or religious interest
Example
The museum displayed relics from the ancient civilization.
博物館には古代文明の遺物が展示されていました。
C2 noun /ˌræproʊʃˈmɑːn/

rapprochement

関係修復
Meaning
The establishment or resumption of harmonious relations.
Example
The two countries signed an agreement that marked a new rapprochement.
二国は新しい関係修復を示す合意書に署名した。
B2 noun rɪˈtɛnʃən

retention

保持
Meaning
The continued possession, use, or control of something
Example
The retention of information is essential for academic success.
情報の保持は学問的成功のために重要です。
C1 noun /ˈrɛdʒɪmənt/

regiment

Meaning
A permanent unit of an army, typically commanded by a colonel and divided into several companies.
Example
The regiment marched proudly through the streets after returning from the mission.
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。
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 /ˈroʊ.ɡɪʃ/

Roguish

いたずらな; 狡猾な
Meaning
mischievous; playfully dishonest
Example
His roguish smile suggested he was up to some mischief.
彼のいたずらな笑顔は、彼が何かいたずらを仕掛けていることを示唆していました。
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。
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。
C1 noun /ˈroʊdənt/

rodent

齧歯類
Meaning
a small mammal such as a mouse, rat, or squirrel, characterized by constantly growing incisors
Example
The farmer set traps to catch the rodents in his barn.
農場主は納屋の中でロデントを捕まえるために罠を設置しました。
C1 noun ˈrɔɪəl ˈbɛŋɡəl ˈtaɪɡər

Royal Bengal Tiger

ロイヤルベンガルタイガー
Meaning
A subspecies of tiger found primarily in India and Bangladesh, known for its distinctive orange coat with black stripes.
Example
The Royal Bengal Tiger is an iconic species of the Sundarbans.
ロイヤルベンガルタイガーはスンダルバンスの象徴的な種です。
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。
B2 noun /rɪˈbel.jən/

Rebellion

反乱
Meaning
an act of armed resistance to an established government or leader
Example
The rebellion against the king lasted for three years.
王に対する反乱は3年間続いた。
B1 noun /ˈref.ər.əns/

Reference

参考文献
Meaning
the action of mentioning or alluding to something; a source of information
Example
Please provide references to support your research claims.
研究の主張を支持するために参考文献を提供してください。
B2 noun /ˈraɪfəl/

Rifle

ライフル
Meaning
a gun with a long barrel that is fired from the shoulder
Example
The soldier carried a rifle during the mission.
兵士は任務中にライフルを携帯していました。
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。
C1 verb /raʊz/

rouse

目覚める
Meaning
To awaken from sleep or to stir into action.
Example
The loud alarm roused him from his deep sleep.
大きなアラームが彼を深い眠りから起こした。
B1 noun /rɪˈsɔːrs/

resource

資源
Meaning
A supply of materials, money, or assets that can be used when needed.
Example
Water is a vital natural resource.
水は重要な自然資源です。
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。
C1 verb /ˈrævɪdʒ/

ravage

荒廃させる
Meaning
to cause severe and extensive damage or destruction
Example
The hurricane ravaged the coastal villages.
ハリケーンは沿岸の村を荒廃させた。
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。
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 adjective /rɪˈtæl.i.ə.tɔːr.i/

retaliatory

報復的
Meaning
Taking action in response to another's action, characterized as punitive, revengeful, or counteractive.
Example
The country imposed retaliatory tariffs in response to trade sanctions.
その国は貿易制裁に対して報復的な関税を課しました。
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。
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。
B1 adverb /ˈruːdli/

Rudely

失礼に
Meaning
in an impolite or discourteous manner
Example
He rudely interrupted the speaker during the presentation.
彼はプレゼン中に話者を失礼に遮った。
B2 noun /rɒd/

rod

金属または木材の細長い棒
Meaning
a thin straight bar, especially of metal or wood
Example
He used an iron rod to support the structure.
彼は構造を支えるために鉄のロッドを使いました。
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。
C2 verb /rɔɪl/

roil

かき乱す
Meaning
to make a liquid muddy or disturbed; to cause agitation or disorder
Example
The constant protests roiled the city streets.
絶え間ない抗議が街の通りをかき乱した。
C2 adjective /rɪˈfræktəri/

refractory

反抗的
Meaning
Stubborn or resistant to control, authority, or treatment.
Example
The refractory child refused to follow the teacher's instructions.
反抗的な子供は教師の指示に従うのを拒否した。
B2 noun, verb /ræŋks/

ranks

ランク
Meaning
Positions within a group, especially in a hierarchy or organization.
Example
He quickly moved up the ranks of the army.
彼はすぐに軍隊のランクで上昇しました。
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。
C1 adjective /ˈruːfəl/

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。
C1 adjective /ˈrɛzənənt/

resonant

響く
Meaning
Deep, clear, and continuing to sound or echo.
Example
The resonant voice of the speaker filled the hall.
スピーカーの響く声がホールに響き渡った。
C1 noun /rɪˈpen.təns/

Repentance

悔い改め
Meaning
the action of repenting; sincere regret or remorse
Example
His genuine repentance moved everyone in the courtroom.
彼の真摯な悔い改めは、法廷のすべての人々を感動させました。
A2 noun /rent/

Rent

幸せ
Meaning
a payment made periodically by a tenant to a landlord for use of property
Example
The monthly rent for this apartment is quite affordable.
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。
C2 noun /raɪm/

rime

霜
Meaning
frost formed on cold surfaces by freezing water vapor
Example
The trees were covered with a white rime after the cold night.
木々は冷たい夜の後、白い霜で覆われていました。
A2 verb /rɪˈplaɪ/

reply

返事する
Meaning
to give an answer; to respond
Example
She replies to emails quickly.
彼女はすぐにメールに返信します。
B1 noun ˈreɪn.fɒr.ɪst

rainforest

熱帯雨林
Meaning
A luxuriant, dense forest rich in biodiversity, found typically in tropical areas with consistently heavy rainfall.
Example
The Amazon rainforest is home to millions of species.
アマゾンの熱帯雨林は数百万種の生物の家です。
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。
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。
C2 adjective /ˌriːkruːˈdɛsənt/

recrudescent

再発
Meaning
reviving or breaking out again after a period of abatement
Example
Recrudescent tensions threatened the fragile ceasefire.
再発した緊張が脆弱な停戦を脅かしました。
A1 noun, adjective, adverb /raɪt/

right

権利
Meaning
something that is morally good, fair, or just; or a legal/entitled claim
Example
Everyone has the right to free speech.
誰もが自由な言論の権利を持っています。
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。
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。
B2 noun /ræntʃ/

ranch

牧場
Meaning
a large farm where animals such as cattle or sheep are raised
Example
They own a huge cattle ranch in Texas.
彼らはテキサスで巨大な牧場を所有しています。
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。
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 noun/verb /ræft/

raft

筏
Meaning
A flat structure made of logs or planks tied together, used as a boat or floating platform; to travel or transport on such a structure.
Example
They built a raft to cross the river.
彼らは川を渡るために筏を作った。
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。
C1 adjective /rɪˈdʒɛn.ə.rə.tɪv/

regenerative

再生的な
Meaning
Able to restore or renew damaged environments, soil, or resources.
Example
Regenerative farming improves soil health and biodiversity.
再生農業は土壌の健康と生物多様性を改善します。
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。
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。
A2 verb /ˌrɛkəˈmɛnd/

recommend

勧める
Meaning
to suggest or advise something as being good or suitable
Example
I recommend trying the new restaurant downtown.
私はダウンタウンの新しいレストランを試すことをリコメンドします。
A2 verb /rɪˈkwaɪər/

require

必要とする
Meaning
to need something; to demand or insist on
Example
This job requires excellent communication skills.
この仕事には優れたコミュニケーションスキルが必要です。
C2 verb /rɪˈpaɪn/

repine

嘆く
Meaning
To feel or express discontent or to long for something.
Example
She did not repine at her misfortune but worked harder to improve her life.
彼女は不幸を嘆かず、より一生懸命に働いて生活を向上させました。
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。
C2 noun /rɪˈfrækʃən/

refraction

屈折
Meaning
The bending of light, sound, or other waves when they pass from one medium to another of different density.
Example
The refraction of light in water makes objects appear bent.
水中の光の屈折により、物体が曲がって見えます。
C2 verb /ˌrɛprɪˈhɛnd/

reprehend

非難する
Meaning
to express disapproval or criticism of someone or something
Example
The teacher reprehended the student for being dishonest.
先生は不正直なことで生徒を叱りました。
C1 noun /ˈræmpɑːrt/

rampart

城壁
Meaning
a defensive wall of a castle or fort
Example
The soldiers stood on the rampart, watching the enemy approach.
兵士たちは城壁に立ち、敵が近づくのを見守っていました。
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 /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.
C2 adjective /rɪˈflɛktɪbəl/

reflectible

反射可能
Meaning
capable of being reflected, as light or an image
Example
The surface of the lake is highly reflectible in the morning sun.
湖の表面は朝の太陽の下で非常に反射可能です。
C1 verb /reɪz/

raze

取り壊す
Meaning
To completely destroy or demolish something, especially a building.
Example
The old factory was razed to make way for new apartments.
古い工場は新しいアパートメントのために取り壊されました。
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。
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。
C1 adjective rɪˈsɛʃ.ən.er.i

recessionary

不況に関する
Meaning
Relating to or characterized by economic recession.
Example
Governments introduce policies to counter recessionary effects.
政府は景気後退の影響に対処するために政策を導入しています。
C1 adjective /ˈræspi/

raspy

ハスキー
Meaning
having a harsh, rough, or grating sound
Example
His raspy voice revealed years of smoking.
彼のハスキーな声は喫煙の年数を明らかにした。
C1 noun /ˈræʃən/

ration

配給
Meaning
a fixed amount of something, especially food, officially allowed to each person
Example
During the war, each family received a weekly ration of rice.
戦争中、各家族は毎週一定量のご飯を配給されました。
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 /rɪˈsɪʒən/

rescission

契約解除
Meaning
the cancellation or annulment of a law, contract, or agreement
Example
The rescission of the contract left both parties disappointed.
契約の解除により、双方は失望しました。
B2 noun/adjective /rɪˈpʌblɪkən/

republican

共和党員
Meaning
a member or supporter of a republican political party or system
Example
The republican candidate won the election.
リパブリカン候補者は選挙に勝利しました。
B2 noun rɪˈsɛʃ.ən

recession

景気後退
Meaning
A period of temporary economic decline during which trade and industrial activity are reduced.
Example
The country faced a severe recession due to the financial crisis.
その国は金融危機のため深刻な景気後退に直面した。
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 /rɪˈpjuːt/

repute

評判
Meaning
the opinion generally held of someone or something; reputation
Example
He is a scholar of great repute in his field.
彼はその分野で大変な評判を持つ学者です。
C1 noun /ˌriː.dɪs.trɪˈbjuː.ʃən/

redistribution

再分配
Meaning
The sharing of wealth or resources more equally among society.
Example
The government introduced a redistribution policy to reduce inequality.
政府は不平等を減らすために再分配政策を導入しました。
B1 noun /ˈreɪn.boʊ/

Rainbow

虹
Meaning
an arch of colors formed in the sky by sunlight shining through rain
Example
After the storm, a beautiful rainbow appeared in the sky.
嵐の後、空に美しい虹が現れました。
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。
A2 noun /rɪˈlɪdʒ.ən/

religion

宗教
Meaning
a system of faith and worship involving belief in a higher power
Example
Freedom of religion is a fundamental human right.
宗教の自由は基本的人権です。
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。
B1 noun /ˈreɪlˌroʊd/

railroad

鉄道
Meaning
a track or system of tracks made of steel rails along which trains run
Example
The railroad connects the city to several nearby towns.
鉄道は都市といくつかの近くの町を結びつけています。
C1 noun /ˌrɛkwɪˈzɪʃən/

requisition

要求
Meaning
An official order laying claim to the use of property or materials; a formal demand or request.
Example
The manager submitted a requisition for new office supplies.
マネージャーは新しいオフィス用品のためのレクイジションを提出しました。
B2 noun ˌrɛvəˈluːʃən

revolution

革命
Meaning
A forcible overthrow of a government or social order, in favor of a new system.
Example
The story is set during the French Revolution.
物語はフランス革命の時代に設定されています。
C2 verb /rɪˈtrɛntʃ/

retrench

コスト削減、従業員の解雇
Meaning
to reduce costs, spending, or staff to save resources
Example
The company had to retrench employees due to financial difficulties.
会社は財政的な困難のため、従業員をリトレンチしなければならなかった。
B1 preposition /rɪˈɡɑrdɪŋ/

regarding

に関して
Meaning
concerning or relating to
Example
The decision regarding the meeting will be made tomorrow.
会議に関する決定は明日行われます。
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 verb /rɪˈvɜːs/

reverse

反転する
Meaning
to change something to the opposite direction, position, or result
Example
She quickly reversed the car out of the driveway.
彼女はすぐに車をドライブウェイからバックさせました。
B2 verb /ˈræl.i/

rally

Meaning
to come together for a common purpose or to recover strength or spirit
Example
The team rallied after halftime and won the match.
B2 noun /ˈrɪk.ʃɔː/

Rickshaw

リクシャ
Meaning
a light two-wheeled passenger vehicle drawn by one or more people
Example
We took a rickshaw to reach the busy marketplace.
忙しい市場に到着するためにリクシャを利用しました。
C1 noun /rɪˈdʒɪdəti/

Rigidity

剛性
Meaning
inability to bend or be forced out of shape; unwillingness to change or compromise
Example
The rigidity of the old system prevented any innovation.
古いシステムの剛性は、どんな革新も妨げました。