reporting
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B1 noun /rɪˈpɔːtɪŋ/

reporting

報道
Meaning
the act of giving news or information about something
Example
Good reporting is essential for public awareness.
良い報道は公共の認識にとって不可欠です。
C1 verb /rɪˈvɪər/

revere

尊敬する
Meaning
To deeply respect or admire someone or something.
Example
The students revered their teacher for his wisdom.
生徒たちはその知恵に対して教師を崇敬しました。
B1 adjective /ˈrʊr.əl/

Rural

田舎の
Meaning
relating to the countryside; characteristic of farming or country life
Example
She grew up in a rural area far from the city.
彼女は街から遠く離れた田舎の地域で育ちました。
C1 verb /rɪˈtreɪs/

retrace

Meaning
to go back over a path or route; to recall and repeat steps taken earlier
Example
She retraced her steps to find her lost keys.
C1 noun /ˈrɪdəns/

riddance

解放
Meaning
The action of getting rid of something unwanted or unpleasant.
Example
His departure was considered a welcome riddance by the team.
彼の退職はチームにとって歓迎すべき解放と見なされた。
C1 noun /rɪˌmjuː.nəˈreɪ.ʃən/

Remuneration

報酬; 報奨金; 料金
Meaning
money paid for work or services; compensation or reward
Example
The job offers excellent remuneration and benefits.
その仕事は優れた報酬と福利厚生を提供します。
C1 noun /ˈrɛvərəns/

reverence

尊敬
Meaning
deep respect for someone or something
Example
The students showed reverence to their teacher.
学生たちは先生に尊敬を示した。
C2 noun /rɪˈsɪdɪvɪst/

recidivist

再犯者
Meaning
A person who repeatedly commits crimes, especially after having been punished.
Example
The police identified him as a recidivist who had been arrested several times before.
警察は彼を再犯者として特定し、以前に何度も逮捕されていた。
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。
B1 adjective /rɪˈmoʊt/

remote

遠隔
Meaning
Situated far from the main centers of population; distant.
Example
They stayed in a remote village during their trip.
彼らは旅行中に遠隔の村に泊まりました。
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 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。
C2 noun /rɪˈpʌɡ.nəns/

repugnance

嫌悪
Meaning
intense disgust or strong aversion towards something
Example
She felt deep repugnance at the cruelty of the act.
彼女はその行為の残酷さに深い嫌悪を感じた。
C1 verb /rɪˈnaʊns/

renounce

放棄する
Meaning
to formally declare rejection of something, such as a claim, belief, or way of life
Example
She renounced her citizenship to move abroad permanently.
彼女は永住権を得るために市民権を放棄しました。
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.
A2 adverb /ˈrɑː.ðər/

Rather

むしろ; ～の代わりに;
Meaning
to some extent; instead; preferably
Example
I would rather stay home than go to the party.
パーティーに行くよりも家にいる方がいい。
B1 noun riˈæləti

reality

現実
Meaning
The world or the state of things as they actually exist, as opposed to an idealistic or notional idea.
Example
The reality of the situation was evident.
状況の現実は明らかでした。
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 verb /rɪˈbʌt/

rebut

反論する
Meaning
to argue against or prove wrong; to refute
Example
The lawyer rebutted the false accusations with strong evidence.
弁護士は強力な証拠で虚偽の告発を反論しました。
C2 adjective rɪˈtɛn.tɪv

retentive

記憶力が強い
Meaning
Having strong memory or the ability to retain information for a long time.
Example
Students with a retentive memory excel in academics.
記憶力が強い学生は学業で優れています。
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。
C1 noun /rɪˈvɒl.vər/

Revolver

リボルバー
Meaning
a pistol with revolving chambers enabling several shots to be fired without reloading
Example
The detective drew his revolver from its holster.
探偵はホルスターからリボルバーを抜き取った。
A2 noun rɪˈsɜːtʃ

research

研究
Meaning
The systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions.
Example
Research on radio waves began earlier in India.
ラジオ波の研究はインドで早く始まりました。
C1 noun/verb /rɪˈpriːz/

reprise

繰り返し
Meaning
A repetition or return to an earlier theme, role, or action.
Example
The actor reprised his role in the sequel.
俳優は続編で自分の役を再演しました。
A2 verb /riːtʃ/

reach

到達する
Meaning
to arrive at a destination; to extend one's arm to touch something
Example
We will reach the station in ten minutes.
私たちは10分以内に駅に到着します。
C1 noun, adjective /ˈrɛvərənd/

reverend

牧師, 尊敬される
Meaning
A title of respect used for members of the clergy; deserving deep respect.
Example
The Reverend gave an inspiring sermon at the church.
レヴァレンドは教会で感動的な説教をしました。
C1 noun /roʊt/

rote

暗記
Meaning
mechanical or habitual repetition, often without understanding
Example
He learned the poem by rote without understanding its meaning.
彼はその詩を意味を理解せずに暗記しました。
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 /ˌreɡ.jʊˈlær.ɪ.ti/

Regularity

規則正しさ
Meaning
the quality of being regular; occurring at fixed intervals or in a consistent pattern
Example
The regularity of his exercise routine helped him stay healthy.
彼の運動習慣の規則正しさが健康を維持するのに役立ちました。
C1 verb /ˈrʌf.l̩/

ruffle

Meaning
to disturb the smoothness of something; to annoy or upset someone
Example
The wind ruffled her hair.
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 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 /rɪˈvenʒ.fəl/

Revengeful

復讐心に燃える
Meaning
seeking or desiring revenge; vindictive
Example
He became revengeful after being betrayed by his friend.
彼は友達に裏切られた後、復讐心に燃えるようになった。
C1 verb /ræsp/

rasp

Meaning
to speak in a rough, harsh voice or to scrape with a coarse sound
Example
He rasped out a warning before collapsing.
C1 noun /ˈrʌmpəs/

Rumpus

騒動; 混乱; 騒音
Meaning
a noisy disturbance; an uproar or commotion
Example
The children caused quite a rumpus in the playground.
子供たちは遊び場でかなりの騒動を引き起こしました。
B1 verb /rɪˈvaɪz/

revise

修正する
Meaning
To change, improve, or update something, especially a written work.
Example
She had to revise her essay before submission.
彼女は提出前にエッセイをリヴァイズする必要があった。
B2 verb /ˌriː.kənˈsɪd.ər/

reconsider

再考する
Meaning
to think about something again, especially to change a decision or opinion
Example
She decided to reconsider her decision about moving abroad.
彼女は海外に引っ越すという決断を再考することに決めました。
B2 noun /ˌriː.ɪnˈfɔːrs.mənt/

reinforcement

強化
Meaning
Strengthening or supporting something, especially behavior or learning.
Example
Positive reinforcement helps in learning.
積極的な強化は学習に役立ちます。
C2 adjective /rɪˈfjuː.tə.bəl/

Refutable

反証可能
Meaning
capable of being proven wrong or false; able to be disproved
Example
His theory was refutable because it could be tested experimentally.
彼の理論は実験的にテストできるので反証可能でした。
B2 verb /ˌriːəˈʃʊr/

reassure

安心させる
Meaning
to say or do something to remove someone's doubts or fears
Example
The teacher reassured the students before the exam.
教師は試験前に生徒を安心させました。
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 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 /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 /ˈriːbeɪt/

rebate

リベート/払い戻し
Meaning
a partial refund given to someone who has paid too much money for something
Example
The store offered a rebate on bulk purchases.
その店は大量購入に対してリベートを提供しました。
C1 verb /rɪˈprɛs/

repress

Meaning
To restrain, suppress, or keep under control, especially emotions or desires.
Example
He tried to repress his anger during the meeting.
B2 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。
C1 noun /ˌrɛfjʊˈteɪʃən/

refutation

反証
Meaning
The act of proving a statement or argument to be false or incorrect.
Example
Her essay was a strong refutation of the opposing theory.
彼女のエッセイは反対の理論に対する強い反証でした。
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。
C1 noun /ruːz/

Ruse

策略; 騙し
Meaning
an action intended to deceive someone; a trick or stratagem
Example
The thief used a clever ruse to distract the guard.
泥棒は警備員を惑わすために巧妙な策略を使った。
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。
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。
C2 noun /rɪˈɡætə/

regatta

ボート競走
Meaning
A sporting event consisting of a series of boat or yacht races.
Example
The annual regatta attracted competitors from around the world.
毎年のレガッタは世界中から競技者を引き付けた。
C1 noun /ˌres.ɪˈteɪ.ʃən/

Recitation

朗読
Meaning
the action of reciting or repeating aloud from memory
Example
The poetry recitation contest was held in the auditorium.
詩の朗読大会はホールで行われました。
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。
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。
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。
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。
B1 adjective /ˈrɔɪ.əl/

Royal

ロイヤル
Meaning
belonging to or connected with the monarch or monarchy; magnificent; excellent
Example
The royal family attended the ceremony.
ロイヤルファミリーが式典に出席しました。
C1 adjective /ˈrep.jə.tə.bəl/

Reputable

評判の良い
Meaning
having a good reputation; respected and trusted
Example
She works for a reputable law firm in the city.
彼女はその都市の評判の良い法律事務所で働いています。
C2 noun /ˈrɒndoʊ/

rondo

音楽作品（繰り返しのテーマを持つ）
Meaning
a musical composition with a recurring leading theme
Example
The pianist ended the recital with a lively rondo.
ピアニストは生き生きとしたロンドでリサイタルを終えました。
C1 noun/verb /ˈræfəl/

raffle

抽選券の販売
Meaning
A means of raising money by selling numbered tickets, one or more of which are drawn at random for a prize; to sell something in such a lottery.
Example
The charity decided to raffle a bicycle to raise funds.
チャリティーは資金調達のために自転車を抽選で販売することに決めました。
C1 adjective /rɪˈmoʊtɪd/

remoted

リモートされた
Meaning
placed at a distance; made remote
Example
The system was remoted to a secure location.
システムは安全な場所にリモートされました。
B2 noun /rɪb/

Rib

あばら骨
Meaning
one of the curved bones that protect the chest and lungs
Example
He broke his rib in the accident.
彼は事故であばら骨を折った。
C1 verb /rɪˈpiːl/

repeal

Meaning
To officially cancel or revoke a law or decision.
Example
The government decided to repeal the outdated law.
B1 adjective ˈriː.dʒən.əl

regional

地域の
Meaning
Relating to or characteristic of a region.
Example
Regional hubs support localized industries.
地域のハブは地元産業をサポートします。
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。
C2 verb /ˈræm.ɪ.faɪ/

ramify

分岐する
Meaning
to spread or branch out into divisions or subdivisions.
Example
The river ramifies into several smaller streams.
川は複数の小さな小川に分岐します。
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 verb /riˈækt/

react

反応する
Meaning
to respond or behave in a particular way to something
Example
She reacted angrily when she heard the news.
彼女はニュースを聞いて怒って反応した。
C1 noun /rɪˈfaɪnəri/

refinery

製油所
Meaning
an industrial facility where raw materials are processed and purified
Example
The oil refinery processes thousands of barrels daily.
石油精製所は毎日何千バレルもの石油を処理します。
C1 noun /ˈroʊ.lɪŋ bɔːrd/

Rolling board

ローリングボード
Meaning
a flat wooden or marble surface used for rolling out dough
Example
She placed the dough on the rolling board.
彼女は生地をローリングボードに置きました。
C2 verb /rɪˈkwaɪt/

requite

返す
Meaning
to return or repay a favor, service, or feeling
Example
She requited his kindness with a thoughtful gift.
彼女は彼の親切に思慮深い贈り物で報いました。
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。
C1 adjective rɪsk-ədˈʤɛstɪd

risk-adjusted

リスク調整済み
Meaning
Modified or calibrated to account for risk factors in investment returns.
Example
Risk-adjusted returns consider both potential profit and loss.
リスク調整後のリターンは、潜在的な利益と損失の両方を考慮します。
B1 noun rɪˌspɒnsəˈbɪlɪti

responsibility

責任
Meaning
The state or fact of having a duty to deal with something or of having control over someone.
Example
Taking responsibility for one's actions is a sign of maturity.
自分の行動に責任を持つことは、成熟の証です。
B2 verb /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。
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 noun /'ræd.ɪʃ/

Radish

ラディッシュ
Meaning
a small pungent edible root vegetable with white or red skin
Example
The farmer harvested fresh radishes from the garden.
農家は庭から新鮮なラディッシュを収穫しました。
C1 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 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。
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 /ˌrevəˈluːʃənaɪz/

revolutionize

革命的に変える
Meaning
Change (something) radically or fundamentally.
Example
Artificial intelligence is set to revolutionize the healthcare sector.
人工知能は医療分野を革命化する準備ができています。
B1 verb /rɪˈlaɪ/

rely

頼る
Meaning
to depend on or trust someone or something
Example
I rely on my friends for support.
私は支援のために友達に頼ります。
C1 adjective /rɪˈpʌɡ.nənt/

Repugnant

嫌悪感を引き起こす; 嫌な; 不快な
Meaning
extremely distasteful; unacceptable; causing disgust or strong dislike
Example
The idea of lying to his parents was repugnant to him.
両親に嘘をつくという考えは彼にとって嫌悪感を抱かせた。
C2 verb /ˈræŋ.kəl/

rankle

イライラさせる
Meaning
To cause continuing annoyance or resentment.
Example
His unfair criticism continued to rankle her for days.
彼の不公平な批判は何日も彼女をイライラさせ続けた。
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。
C1 verb /ˌriːˈkɒn.stɪ.tʃuːt/

reconstitute

再構成する
Meaning
to restore something to its original form or state; to reassemble
Example
The group was reconstituted after the leader returned.
リーダーが戻った後、グループは再構成されました。
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。
C1 adjective /rɪˈpɛlənt/

repellent

忌避剤
Meaning
Able to drive away something, especially insects or unpleasant things; causing disgust or distaste.
Example
This cream is highly effective as a mosquito repellent.
このクリームは蚊除けとして非常に効果的です。
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。
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 /ˈruːnɪk/

runic

ルーンに関連する
Meaning
relating to or consisting of runes; mysterious or magical
Example
The old stone had strange runic carvings on it.
古い石には奇妙なルーンの刻印がありました。
C1 adjective /ˈrɪkɪti/

rickety

ぐらつく
Meaning
Poorly made and likely to collapse; shaky.
Example
They crossed a rickety wooden bridge over the river.
彼らは川を越える不安定な木製の橋を渡りました。
B2 verb /ˈrendər/

render

提供する
Meaning
to provide or give; to make or cause to become
Example
The artist renders the scene beautifully.
アーティストはシーンを美しく表現します。
C1 adjective /rɪˈvoʊltɪŋ/

revolting

むかつく
Meaning
extremely unpleasant or disgusting
Example
The smell of the garbage was revolting.
ごみのにおいはむかつくほどだった。
C1 noun /ˌrætɪfɪˈkeɪʃən/

Ratification

承認
Meaning
the action of signing or giving formal consent to a treaty, contract, or agreement
Example
The treaty required ratification by both countries' parliaments.
その条約は両国の議会による批准を必要とした。
C1 verb /riːˈkæptʃər/

recapture

再び奪回する
Meaning
To take back or regain possession of something.
Example
The army managed to recapture the lost territory.
軍隊は失われた領土を再び奪回することに成功しました。
B1 verb /rɪˈtɜrnɪŋ/

returning

戻る
Meaning
Coming or going back to a place or person.
Example
The group is returning to the port on December 25th.
グループは12月25日に港に戻ります。
C1 verb /rɪˈsɪprəˌkeɪt/

reciprocate

応答する
Meaning
To respond to an action or gesture by making a corresponding one.
Example
She smiled at him, and he reciprocated with a warm hug.
彼女は彼に微笑み、彼は温かい抱擁で応じた。
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。
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 /ˈriːpər/

reaper

作物を刈り取り集める人または機械
Meaning
a person or machine that cuts and gathers crops
Example
The reaper moved slowly through the golden fields.
リーパーは金色の畑をゆっくりと進んでいきました。
B2 adjective /rɪˈstrɪk.tɪd/

Restricted

制限された; 制御された; 制限付き
Meaning
limited or controlled; subject to restrictions
Example
Access to this area is restricted to authorized personnel only.
このエリアへのアクセスは、認可されたスタッフのみが制限されています。
C2 adjective /rɪˈtɪkjʊlət/

reticulate

網状
Meaning
Having a net-like pattern or structure.
Example
The leaf had a reticulate pattern of veins.
葉は網目模様の静脈がありました。
C1 adjective /ˈrɛvərənt/

reverent

敬虔な
Meaning
Showing deep and solemn respect.
Example
They listened to the speech in a reverent silence.
彼らは敬虔な沈黙の中でスピーチを聞いた。
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 noun, verb, adjective /ræŋk/

rank

ランク
Meaning
A position in a hierarchy; to place in order according to importance or quality.
Example
She quickly rose to a senior rank in the company.
彼女は会社で素早く上級ランクに昇進しました。
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。
C2 adjective /ræpˈtɔːriəl/

raptorial

肉食鳥
Meaning
Relating to birds of prey or predatory behavior.
Example
The eagle is a raptorial bird with sharp talons.
ワシは鋭い爪を持つ肉食鳥です。
A2 adjective /rɪˈspɒn.sə.bəl/

Responsible

責任がある; 任務を持っている; 信頼できる
Meaning
accountable; having duties; reliable and trustworthy
Example
Parents are responsible for their children's education and well-being.
親は子供たちの教育と福祉に責任があります。
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。
B2 adjective /ˈrændəm/

Random

ランダム
Meaning
without pattern or predetermined order; happening by chance
Example
She selected a random book from the library shelf.
彼女は図書館の棚からランダムに本を選びました。
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。
C1 verb /ˈræʃənəlaɪz/

rationalize

合理化する
Meaning
to attempt to explain or justify behavior or decisions with logical reasons, even if they are not true or appropriate
Example
She tried to rationalize her lateness by blaming the traffic.
彼女は交通渋滞を責めて、遅刻を合理化しようとした。
C1 noun /ræmˈbuːtən/

Rambutan

ランブータン
Meaning
a tropical fruit with red spiky skin and white translucent sweet flesh similar to litchi
Example
The rambutan looks scary with its hairy skin but tastes very sweet inside.
ランブータンは毛皮のような皮で怖そうに見えますが、中はとても甘いです。
B1 noun /ˌrɛdʒɪˈstreɪʃən/

registration

登録
Meaning
the action or process of enrolling or signing up for something
Example
The registration for the event will close tomorrow.
イベントの登録は明日締め切りです。
B1 adjective /ˈrel.ə.vənt/

Relevant

関連する
Meaning
closely connected or appropriate to what is being discussed; pertinent
Example
Please provide only relevant information for this discussion.
この議論に関連する情報のみを提供してください。
C1 verb /rɪˈdiːm/

redeem

償う
Meaning
to compensate for faults or mistakes; to exchange something for value
Example
He managed to redeem his reputation after the scandal.
彼はスキャンダル後に自分の評判を回復しました。
B2 noun /ˌrezəˈveɪʃən/

Reservation

予約
Meaning
the action of reserving something; an arrangement whereby something is reserved for a particular person; a qualification to an expression of agreement or approval
Example
I made a reservation at the restaurant for tonight.
今夜のレストランの予約をしました。
B1 adjective rɪˈlaɪ.ə.bəl

reliable

信頼できる
Meaning
Consistently good in quality or performance; able to be trusted.
Example
Reliable systems ensure efficiency.
信頼できるシステムは効率を確保します。
A1 noun /raɪs/

Rice

ご飯
Meaning
a cereal grain that is a staple food in many countries
Example
We eat rice with curry for dinner.
私たちは夕食にカレーと一緒にご飯を食べます。