B2 noun /ˈreɪtɪŋ/

rating

評価

Meaning

an evaluation or assessment, usually numerical

Example

The movie received a high rating from critics.

その映画は批評家から高い評価を受けました。

B2 adverb /rɪˈpɔːtɪdli/

reportedly

報告によると

Meaning

according to what is said or believed, although not confirmed

Example

The company has reportedly agreed to the new terms.

その会社はreportedly新しい条件に同意しました。

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。

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。

B2 verb /ˈræm.bəl/

ramble

Meaning

to talk or write at length in a confused or inconsequential way; to walk for pleasure without a fixed route.

Example

He rambled on about his childhood for hours.

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。

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 noun /ˈreb.əl/

Rebel

反逆者

Meaning

a person who resists authority or control

Example

The young rebel refused to follow the school rules.

その若い反逆者は学校の規則に従うことを拒否した。

B2 noun ˌriːkənˈstrʌkʃn

reconstruction

再建

Meaning

The action or process of reconstructing or being reconstructed.

Example

The reconstruction project took years.

再建プロジェクトは数年かかりました。

B2 verb /rɪˈstrɪkt/

restrict

制限する

Meaning

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

Example

The government decided to restrict the use of plastic bags.

政府はプラスチック袋の使用を制限することを決定しました。

B2 verb /rɪˈdʒɔɪs/

rejoice

喜ぶ

Meaning

to feel or show great joy; to celebrate

Example

The family rejoices at the good news.

その家族は良いニュースに喜んでいます。

B2 verb /rɪˈzɑlv/

resolve

解決する

Meaning

to solve a problem; to decide firmly

Example

The manager resolves the conflict between employees.

マネージャーは従業員間の対立を解決します。

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 adverb /rɪˈmɑːrkəbli/

remarkably

驚くべき方法で

Meaning

in a way that is worthy of attention or notice; surprisingly

Example

She did remarkably well in the competition.

彼女はコンペティションで驚くべき成果を上げました。

B2 adjective /ˈruːθ.ləs/

Ruthless

無慈悲な; 残酷な; 情け容赦ない

Meaning

showing no pity or compassion; cruel; merciless

Example

The ruthless dictator showed no mercy to his enemies.

その無慈悲な独裁者は、彼の敵に対して一切の慈悲を示さなかった。

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。

B2 noun /ˈrɛnəˌsɑːns/

renaissance

ルネサンス

Meaning

a revival of art, culture, or learning; a period of renewed interest and growth

Example

The city experienced a cultural renaissance during the 1990s.

その都市は1990年代に文化的なルネサンスを経験しました。

B2 noun ˌreɪdɪˈeɪʃən

radiation

放射線

Meaning

The emission of energy as electromagnetic waves or as moving subatomic particles.

Example

Radiation from the sun can be harmful without protection.

太陽からの放射線は保護なしでは有害である可能性があります。

B2 verb /rɪˈliːv/

relieve

Meaning

to make pain, distress, or difficulty less severe or serious

Example

The medicine helped relieve his headache.

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。

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 /ˌriːˈbɪld/

rebuild

再建する

Meaning

to build something again after it has been damaged or destroyed

Example

The villagers worked together to rebuild the bridge after the flood.

村人たちは洪水の後、橋を再建するために協力しました。

B2 adjective /rɪˈflektɪv/

Reflective

反射的; 思慮深い; 光や画像を反射できる

Meaning

thoughtful; contemplative; able to reflect light or images

Example

After the meeting, he was in a reflective mood.

会議の後、彼は反射的な気分だった。

B2 noun ˌrɛzɪɡˈneɪʃən

resignation

辞任

Meaning

The acceptance of something undesirable but inevitable; giving up.

Example

Her resignation from the position was unexpected.

彼女の職からの辞任は予想外だった。

B2 verb /rɪˈkɜːr/

recur

Meaning

to happen again, especially repeatedly or at regular intervals

Example

The headache tends to recur every few weeks.

B2 noun /rɪˈsɛs/

recess

休憩

Meaning

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

Example

The children played outside during recess.

子供たちは休憩中に外で遊びました。

B2 noun /ˈrest.ləs.nəs/

Restlessness

不安

Meaning

the inability to rest or relax as a result of anxiety or boredom

Example

His restlessness during the long meeting was obvious to everyone.

長い会議中、彼の不安は全員に明らかだった。

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。

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。

B2 noun /ˈreɪn.dʒər/

ranger

レンジャー

Meaning

A person responsible for protecting and managing forests, parks, or natural areas.

Example

The park ranger guided the tourists through the forest trail.

公園のレンジャーは観光客を森の小道を案内しました。

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 /ˈreɪ.zən/

Raisin

レーズン

Meaning

dried grape

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ました。

B2 noun /rɪˈstrɪk.ʃən/

Restriction

制限; 限界; コントロール

Meaning

a limiting condition or measure; the limitation or control of someone or something

Example

There are strict restrictions on smoking in public places.

公共の場所での喫煙には厳格な制限があります。

B2 verb /rɪˈzuːm/

resume

再開する

Meaning

to start again after a pause or interruption

Example

We will resume the meeting after lunch.

ランチの後に会議を再開します。

B2 adjective /rɪˈspek.tɪv/

Respective

それぞれの; 各自の

Meaning

belonging to each individual; particular to each

Example

The students returned to their respective classrooms after lunch.

学生たちは昼食後、それぞれの教室に戻った。

B2 adjective rəʊˈbʌst

robust

ロバスト

Meaning

Strong and healthy; vigorous; able to withstand or overcome adverse conditions.

Example

The robust infrastructure ensures reliable communication.

ロバストなインフラは信頼できる通信を保証します。

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 noun /ˈrɛlɪvənsi/

relevancy

recite

暗唱する

Meaning

To say aloud something learned, especially poetry or text, from memory.

Example

The child recited a poem in front of the class.

その子はクラスの前で詩を暗唱しました。

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。

B2 noun ˈrɛstɪŋ pleɪs

resting place

安息地

Meaning

A place where someone or something rests, especially a burial site.

Example

The resting place of the martyrs is near the river.

殉教者の安息地は川の近くにあります。

B2 noun/adjective /rɪˈpʌblɪkən/

republican

共和党員

Meaning

a member or supporter of a republican political party or system

Example

The republican candidate won the election.

リパブリカン候補者は選挙に勝利しました。

B2 noun, verb /rɪˈzɔːrt/

resort

リゾート / 最後の手段

Meaning

A place for rest or recreation; to turn to something for help or solution.

Example

They stayed at a beach resort during their vacation.

彼らは休暇中にビーチリゾートに滞在しました。

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。

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。

B2 adverb /ˈraɪtli/

Rightly

正しく; 適切に; 公正に

Meaning

correctly; properly; justly

Example

She rightly pointed out the mistakes in the report.

彼女は報告書の誤りを正しく指摘した。

B2 noun /ˈrem.ə.di/

Remedy

薬; 治療; 問題解決の手段

Meaning

a medicine or treatment for a disease; a solution to a problem

Example

This herbal remedy helps with headaches.

このハーブの薬は頭痛に効く。

B2 noun /ˈruːmər/

Rumour

噂; ゴシップ; ニュース

Meaning

a currently circulating story or report of uncertain or doubtful truth; gossip

Example

There's a rumour that the company will close next month.

会社が来月閉鎖されるという噂があります。

B2 noun rɪsk ˈfæktər

risk factor

リスク要因

Meaning

Something that increases the likelihood of developing a disease or condition

Example

Water pollution is a significant risk factor for health.

水質汚染は健康にとって重要なリスク要因です。

B2 adjective /ˌrez.ɪˈden.ʃəl/

residential

住宅の

Meaning

Designed for people to live in.

Example

The institution was fully residential.

その施設は完全に住宅のものでした。

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。

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。

B2 adjective /rɪˈfaɪnd/

Refined

洗練された; 精製された

Meaning

elegant and cultured in appearance, manner, or taste; purified

Example

She has very refined taste in art and music.

彼女は芸術と音楽に非常に洗練された趣味を持っています。

B2 verb /ˌriː.kənˈstrʌkt/

reconstruct

再建する

Meaning

to build or form something again after it has been damaged or destroyed

Example

The city was reconstructed after the earthquake.

その都市は地震後に再建されました。

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 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。

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。

B2 noun /ˌrep.ɪˈtɪʃ.ən/

Repetition

繰り返し

Meaning

the action of repeating something that has already been said or written

Example

Constant repetition helps students memorize vocabulary effectively.

継続的な繰り返しは、学生が語彙を効果的に覚えるのを助けます。

B2 noun /ˈroʊstɪd miːt/

Roasted meat

ロースト肉

Meaning

meat cooked by dry heat in an oven or over fire

Example

The roasted meat was perfectly seasoned and tender.

ロースト肉は完璧に調味され、柔らかかった。

B2 adjective ˌrev.əˈluː.ʃən.ər.i

revolutionary

革命的な

Meaning

Involving or causing a complete or dramatic change.

Example

Revolutionary ideas are reshaping the industry.

革命的なアイデアが業界を再編成しています。

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 /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 adverb /rɪˈspektɪvli/

Respectively

それぞれ; 指定された順序で; 別々に、そしてすでに言及された順序で

Meaning

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

Example

John and Mary are 25 and 30 years old respectively.

ジョンとメアリーはそれぞれ25歳と30歳です。

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。

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 noun /rɪˈdʒɛkʃən/

rejection

拒絶

Meaning

the action of refusing or dismissing something or someone

Example

Her rejection of the offer surprised everyone.

彼女の提案の拒絶は皆を驚かせた。

B2 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 /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。

B2 adverb /rɪˈɡɑrdləs/

regardless

関係なく

Meaning

without paying attention to the current situation or condition

Example

She will go to the party regardless of the weather.

彼女は天気に関係なくパーティーに行きます。

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。

B2 noun /ˈraɪvəlri/

Rivalry

ライバル関係; 競争

Meaning

competition for the same objective or for superiority in the same field; the state of being rivals

Example

The rivalry between the two teams made the match exciting.

二つのチーム間のライバル関係が試合を興奮させた。

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。

B2 noun /roʊˈteɪʃən/

Rotation

回転; 回転運動; 自転

Meaning

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

Example

The Earth's rotation takes 24 hours to complete.

地球の回転は24時間かかります。

B2 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。

B2 noun /ˌriː.əˈʃʊr.əns/

Reassurance

安心

Meaning

comfort or confidence given to someone to remove their fears or doubts

Example

She needed reassurance that everything would be okay.

彼女はすべてがうまくいくことを確認するために安心が必要でした。

B2 verb /rɪˈteɪn/

retain

保持する

Meaning

to keep possession of something

Example

The company decided to retain its experienced employees.

会社は経験豊富な従業員を保持することに決めました。

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。

B2 adjective /rɪˈzɜːrvd/

Reserved

控えめな; 内向的な

Meaning

slow to reveal emotion or opinions; restrained in manner

Example

She is quite reserved and doesn't talk much in meetings.

彼女はかなり控えめで、会議ではあまり話しません。

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。

B2 adverb /ruːˈtiːnli/

routinely

定期的に

Meaning

as part of a regular procedure; habitually

Example

The staff routinely checks the equipment for safety.

スタッフは定期的に安全のために機器を点検します。

B2 noun /ˈrɔɪəlti/

royalty

王族 / ロイヤリティ (著者の収入)

Meaning

Members of a royal family or payment made to the owner of a patent, copyright, or natural resource.

Example

The author receives a royalty for every book sold.

著者は売れた本ごとにロイヤリティを受け取ります。

B2 noun /rɪˈvendʒ/

Revenge

復讐

Meaning

the action of inflicting hurt or harm on someone for an injury or wrong suffered at their hands

Example

She sought revenge against those who betrayed her trust.

彼女は信頼を裏切った者たちに復讐を求めた。

B2 noun /ˈrækɪt/

racket

ラケット / 騒音

Meaning

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

Example

He bought a new tennis racket for the match.

彼は試合のために新しいテニスラケットを買った。

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, verb /ˈriːteɪl/

retail

小売

Meaning

the sale of goods to the public in small quantities for use or consumption rather than for resale

Example

The company specializes in the retail of clothing and accessories.

この会社は衣類とアクセサリーの小売を専門としています。

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。

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 verb /rɪˈfreʃ/

refresh

リフレッシュする

Meaning

to make fresh again; to restore energy

Example

A cold drink refreshes me on hot days.

暑い日には冷たい飲み物が私をリフレッシュさせます。

B2 noun /ræk/

Rack

ラック

Meaning

a framework or structure for holding or storing things

Example

She hung her coat on the rack by the door.

彼女はドアの横のラックにコートを掛けた。

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 /ˈreɪsɪzəm/

racism

人種差別

Meaning

the belief that some races are superior to others, leading to unfair treatment or prejudice

Example

The organization works to eliminate racism in all forms.

その組織はすべての形態の人種差別を排除するために取り組んでいます。

B2 noun /ˈruːstər/

rooster

雄鶏

Meaning

A male domestic chicken, especially one that crows.

Example

The rooster crowed at dawn, waking up the whole village.

雄鶏は夜明けに鳴き、村全体を起こした。

B2 adjective /ˈrek.ləs/

Reckless

無謀な; 無鉄砲な; 危険な;

Meaning

acting without thinking about consequences; careless; dangerous;

Example

His reckless driving caused a serious accident.

彼の無謀な運転は深刻な事故を引き起こしました。

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。

B2 adjective /ˈrɪdən/

ridden

覆われた

Meaning

Full of or dominated by something unpleasant.

Example

The country was ridden with corruption.

その国は腐敗に覆われていた。

B2 noun /ˈrɪə.lɪ.zəm/

realism

リアリズム

Meaning

The quality of representing things as they are; a practical or factual view.

Example

Her paintings are admired for their realism.

彼女の絵画はそのリアリズムで賞賛されています。

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。

B2 noun /ˌrɛprɪzɛnˈteɪʃən/

representation

代表

Meaning

the action of speaking or acting on behalf of someone or something

Example

Her representation of the team was impeccable.

彼女のチームの代表は完璧でした。

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 verb /ˈreɪn.dʒɪŋ/

ranging

変動する

Meaning

Extending or varying between limits.

Example

The temperatures are ranging from 15 to 30 degrees this week.

今週の気温は15度から30度の間で変動しています。

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 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。

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。

B2 noun /ˈrɒbəɹi/

robbery

強盗

Meaning

the crime of stealing from someone or somewhere using force or threat

Example

The police are investigating the robbery at the local store.

警察は地元の店での強盗事件を調査しています。

B2 adjective /ˈrɒt.ən/

Rotten

腐った; 悪い

Meaning

decayed; spoiled; bad

Example

The apple is rotten and should be thrown away.

リンゴは腐っていて、捨てるべきです。

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。

B2 noun, verb /ˈrætəl/

rattle

ガタガタ鳴る；ガラガラ

Meaning

to make a rapid series of short, sharp sounds; a device or object that makes such a sound

Example

The loose window began to rattle in the strong wind.

強い風で緩んだ窓がガタガタ鳴り始めた。

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。

B2 noun /ˈrerəti/

Rarity

珍しい状態; 普通でないもの、または希少なもの

Meaning

the state of being rare; something that is uncommon or scarce

Example

The antique vase was a rarity worth thousands of dollars.

その古代の花瓶は、数千ドルの価値がある珍しいものだった。

B2 adjective /ræʃ/

rash

軽率, 無謀

Meaning

Acting quickly without careful consideration; reckless.

Example

It was a rash decision to invest without research.

調査なしで投資するのは無謀な決断だった。

B2 noun /rɪˈstreɪnt/

Restraint

抑制; 自制

Meaning

the action of keeping someone or something under control; self-control

Example

She showed great restraint in not responding to the criticism.

彼女は批判に反応しなかったことに大きな自制心を見せた。

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。

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。

B2 noun /ˈrɛlɪvəns/

relevance

ruin

台無しにする

Meaning

to destroy or damage beyond repair; to spoil completely

Example

Heavy rain could ruin our picnic plans.

強い雨が私たちのピクニックの計画を台無しにするかもしれません。

B2 verb /roʊm/

roam

歩き回る

Meaning

to walk or travel without a specific destination; to wander

Example

Wild animals roam freely in the forest.

野生動物は森の中を自由に歩き回っています。

B2 noun /rɪˌlaɪəˈbɪləti/

reliability

信頼性

Meaning

the quality of being trustworthy or performing consistently well

Example

Customers value the reliability of our service.

お客様は私たちのサービスの信頼性を重視しています。

B2 noun /rɪˈsɪp.i.ənt/

Recipient

受取人

Meaning

a person who receives something

Example

She was the recipient of the prestigious award.

彼女はその名誉ある賞の受取人でした。

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。

B2 verb /ˌriː.ɪnˈfɔːrs/

reinforce

強化する

Meaning

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

Example

The teacher used examples to reinforce the lesson.

教師は例を使って授業を強化しました。

B2 verb /ˌriːkriˈeɪt/

recreate

再創造する

Meaning

to create or produce something again, especially a new version of something lost or destroyed

Example

The team recreated the lost dataset from backups.

チームはバックアップから失われたデータセットを再作成しました。