immersion
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C1 noun /ɪˈmɜː.ʃən/

immersion

没入
Meaning
Complete engagement in an environment or experience.
Example
Immersion in VR games makes users feel like they are inside the virtual world.
VRゲームへの没入は、ユーザーが仮想世界にいるように感じさせます。
C2 noun /ˈeə.rəm/

Arum

アラム
Meaning
a plant with large arrow-shaped leaves and a white spathe, also known as taro
Example
Arum leaves are commonly used in Bengali cuisine for cooking.
アラムの葉はインディア料理でよく使われます。
C1 noun /riˈæktənt/

reactant

Meaning
A substance that takes part in and undergoes change during a chemical reaction.
Example
Oxygen is a reactant in the process of combustion.
B2 adjective /ˌmɛtrəˈpɑːlɪtən/

metropolitan

大都市
Meaning
Relating to a large city, its surrounding areas, or its lifestyle.
Example
She moved to a metropolitan area for better job opportunities.
彼女はより良い仕事の機会のために大都市エリアに引っ越しました。
C2 noun /ˈkoʊ.tə.ri/

coterie

小さくて排他的なグループ
Meaning
a small, exclusive group of people with shared interests
Example
He belonged to a coterie of artists who met every Friday.
彼は毎週金曜日に会うアーティストのグループに属していました。
C2 noun /ˈsʊrmə fɪʃ/

Surma fish

スルマ魚
Meaning
a freshwater fish species found in the Surma river system of Bangladesh and northeastern India
Example
Surma fish is native to the rivers of Sylhet region.
スルマ魚はシレット地域の川に生息しています。
B2 verb /ˈkæt.ɪ.ɡə.raɪzd/

categorized

分類された
Meaning
Placed in a particular class or group.
Example
The city was categorized as highly polluted.
その都市は高度に汚染されていると分類されました。
B2 noun kənˌtæm.ɪˈneɪ.ʃən

contamination

汚染
Meaning
The process of making something less pure by exposure to or addition of a poisonous or polluting substance.
Example
Contamination of air leads to health issues.
空気の汚染は健康に問題を引き起こします。
A2 verb /ˈbɒðər/

bother

邪魔する
Meaning
to annoy, worry, or cause trouble to someone
Example
I don't want to bother you while you're working.
あなたが働いているときに邪魔をしたくありません。
B2 noun /eɪk/

Ache

痛み
Meaning
a continuous or prolonged dull pain in a part of one's body
Example
He had a terrible headache after working late.
彼は遅くまで働いた後、ひどい頭痛に悩まされた。
C2 verb /aɪˈtɪnəˌreɪt/

itinerate

旅行する
Meaning
To travel from place to place, usually for the purpose of work or preaching.
Example
The missionary itinerated throughout the region to spread the message.
伝道師は地域を巡り、メッセージを広めました。
C2 noun /ˈaʊtˌrɪɡər/

outrigger

安定構造
Meaning
a projecting structure on a boat, used for stability, or a boat fitted with such support
Example
The fisherman paddled his outrigger canoe across the lagoon.
漁師はアウトリガー付きのカヌーをラグーンを越えて漕ぎました。
B2 noun /əˈlaʊəns/

Allowance

手当
Meaning
a sum of money paid regularly to a person; permission to do something
Example
Children receive a weekly allowance for helping with chores.
子供たちは家事の手伝いをすることで週刊手当を受け取ります。
B1 adverb /ˈʌðərwaɪz/

Otherwise

さもないと; 他の方法で
Meaning
in a different way; if not; or else; apart from that
Example
Study hard, otherwise you will fail the exam.
一生懸命勉強しなさい、さもないと試験に落ちます。
C1 adjective əsˈtjuːt

astute

鋭いまたは抜け目のない
Meaning
Having or showing an ability to accurately assess situations or people and turn this to one's advantage.
Example
His astute observations helped solve the complex problem.
彼の鋭い観察が複雑な問題を解決するのに役立った。
B2 verb ˈɪmplɪment

implement

実施する
Meaning
To put a decision or plan into effect; to execute or apply.
Example
Implementing educational policies is essential for progress.
教育政策を実施することは進歩にとって重要です。
C1 noun /ˈvæntɪdʒ/

vantage

有利な位置
Meaning
a position or situation that gives an advantage or a good view
Example
From this vantage, we could see the entire valley.
この位置から、私たちは谷全体を見ることができました。
C2 noun /ˈhækəlz/

hackles

Meaning
the hairs on the back of an animal’s neck that rise when it is angry or alarmed; figuratively, feelings of anger or resentment
Example
His rude comment raised my hackles.
A1 noun /ˌæftərˈnuːn/

afternoon

午後
Meaning
The part of the day between noon and evening.
Example
We met in the afternoon for coffee.
私たちは午後にコーヒーを飲みに会いました。
B1 adjective /ˈsekənderi/

secondary

二次的
Meaning
Less important than something else; derived from or dependent on something primary.
Example
Safety is our primary concern, while speed is only secondary.
安全は私たちの最優先事項であり、速度は二次的なものです。
C1 noun ˈsɛlfləsnɪs

selflessness

利他主義
Meaning
The quality of being concerned more with the needs of others than with one's own.
Example
Selflessness is a key value for community building.
利他主義はコミュニティ構築の重要な価値です。
C1 noun /fiˈæs.koʊ/

fiasco

完全な失敗
Meaning
a complete failure, especially a ludicrous or humiliating one
Example
The event turned into a complete fiasco due to poor planning.
計画の悪さからそのイベントは完全な失敗に終わった。
B2 adjective ˈkʌtɪŋ ˌɛdʒ

cutting-edge

最先端, 革新的, 最先端技術
Meaning
The most advanced or innovative; at the forefront of development.
Example
This company develops cutting-edge technology.
この会社は最先端技術を開発しています。
C1 adjective /ˈkæni/

canny

抜け目のない
Meaning
Having good judgment, especially in business or practical matters; shrewd.
Example
She made a canny investment in real estate.
彼女は不動産で抜け目のない投資をしました。
B1 adjective ˈsteɪbl

stable

安定した
Meaning
Not likely to change or fail; firmly established.
Example
Strong nuclear force keeps the nucleus stable.
強い核力は原子核を安定させる。
B2 noun /ˈkæbɪnət/

Cabinet

キャビネット
Meaning
a piece of furniture with doors and shelves used for storage
Example
The kitchen cabinet is full of dishes and utensils.
キッチンキャビネットは皿と器具でいっぱいです。
B1 noun /blæk ˈber.i/

Black berry

ブラックベリー
Meaning
a small dark purple or black fruit that grows on bushes
Example
We picked fresh blackberries from the garden for our pie.
私たちは庭から新鮮なブラックベリーを摘んでパイを作りました。
C2 noun /ˈhæk.ni ˈkær.ɪdʒ/

Hackney carriage

ハックニーキャリッジ
Meaning
A taxi; a car licensed to carry passengers for hire
Example
I called a hackney carriage to get to the airport.
空港に行くためにハックニーキャリッジを呼びました。
C2 noun /ˈbloʊˌhɑrd/

blowhard

自慢話をする人
Meaning
a person who brags a lot or talks in a boastful way
Example
Everyone avoided the blowhard at the party because he wouldn't stop bragging.
パーティーでみんなはその自慢話をする人を避けた。なぜなら、彼は自慢を止めなかったから。
C1 noun /ˌlaɪ.sənˈsiː/

Licensee

ライセンス保持者
Meaning
a person or organization that holds a license to do something
Example
The licensee is responsible for following all regulations.
ライセンス保持者はすべての規制を遵守する責任があります。
B2 adjective /stɑːrk/

stark

厳しい、鋭い
Meaning
Severe, sharp, or clearly defined; plain and without any decoration.
Example
The stark contrast between poverty and wealth was evident in the city.
貧困と富の間の鮮明な対比は街中で明らかだった。
C2 noun /əˈkwɪtəns/

acquittance

領収書
Meaning
a written receipt acknowledging payment or discharge of a debt
Example
He demanded an acquittance after paying the loan.
彼はローンを支払った後で、領収書を要求した。
C1 verb /diːˈhaɪdreɪt/

dehydrate

Meaning
to remove water from something; to lose water or body fluids
Example
Running in the heat can quickly dehydrate you.
C1 adverb /ˌwɛr.əˈpɒn/

whereupon

その後すぐに
Meaning
Immediately after which; as a result of which.
Example
He confessed his mistake, whereupon she forgave him.
彼は自分の間違いを認め、すぐに彼女は彼を許しました。
B2 noun /eɪd/

aide

アシスタント
Meaning
An assistant or helper, especially to an important person.
Example
The senator’s aide organized the meeting with journalists.
上院議員のアシスタントがジャーナリストとの会議を組織しました。
B2 noun /ˈkæp.tɪv/

Captive

捕虜
Meaning
a person who has been taken prisoner or an animal that has been confined
Example
The captive was held in a small cell for several months.
捕虜は数ヶ月間小さな部屋に閉じ込められていた。
B2 noun /ˈstrʌk.tʃərz/

structures

構造物
Meaning
Buildings or other objects constructed from several parts.
Example
The region has ancient structures.
その地域には古代の構造物があります。
B1 noun /ˈvaɪ.ə.ləns/

Violence

暴力; 残忍さ; 極端な強度
Meaning
behavior involving physical force intended to hurt, damage, or kill; extreme force or intensity
Example
The government condemned all forms of violence against civilians.
政府は市民に対するあらゆる暴力の形態を非難しました。
C1 noun /rɪˈtriː.vəl/

retrieval

回復
Meaning
The process of getting something back, especially from storage or memory.
Example
The brain's retrieval system helps recall past experiences.
脳のリトリーバルシステムは過去の経験を思い出すのに役立ちます。
C2 verb /ˈdɛpɪleɪt/

depilate

脱毛する
Meaning
to remove hair from the skin, especially by mechanical or chemical means
Example
She decided to depilate her legs before the event.
彼女はイベントの前に足を脱毛することに決めました。
C1 noun /ˈwɪŋˌspæn/

wingspan

翼幅
Meaning
the distance from the tip of one wing to the tip of the other wing
Example
The eagle has an impressive wingspan of over two meters.
ワシの翼幅は2メートル以上です。
C1 noun /ɪkˈspɛktənsi/

expectancy

期待
Meaning
the state of expecting something; anticipation or likelihood
Example
There was a sense of expectancy in the room before the results were announced.
結果が発表される前、部屋には期待の感覚があった。
A2 adjective /ˈmɒdən/

modern

現代的
Meaning
relating to the present or recent times, not ancient or old-fashioned
Example
They live in a modern apartment with new facilities.
彼らは新しい設備のある現代的なアパートに住んでいます。
B2 adjective /kənˈvɜːrtəbl/

convertible

オープンカー、屋根が折りたためる車
Meaning
able to be changed into a different form or use; also a car with a roof that can be folded down
Example
She drove her new convertible along the coastal road.
彼女は新しいオープンカーで沿岸道路を走った。
C1 adjective /ɪnˈɔːdəbl/

inaudible

聞こえない
Meaning
Unable to be heard.
Example
Her voice was almost inaudible over the noise.
その音の中で彼女の声はほとんど聞こえなかった。
C1 noun/verb /dɛnt/

dent

へこみ
Meaning
a small hollow mark on the surface of something; to make a small hollow mark
Example
The accident left a dent in the car door.
事故で車のドアにへこみが残りました。
B1 noun /ˌæplɪˈkeɪʃən/

application

申請 / アプリケーション / ソフトウェア
Meaning
a formal request for something; the act of putting something into operation; or a software program
Example
She submitted her application for the scholarship.
彼女は奨学金の申請を提出しました。
B2 noun /kəmˈplɛksɪti/

complexity

複雑さ
Meaning
The state of being complex; intricacy.
Example
The complexity of the problem required a team of experts.
問題の複雑さは専門家のチームを必要とした。
C2 adjective /ˌɪndɪˈsɒljʊbl/

indissoluble

解消できない
Meaning
Unable to be destroyed, broken, or dissolved.
Example
Marriage was once considered an indissoluble bond.
結婚はかつて解消できない絆と見なされていました。
A2 noun /ˈnoʊ.tɪs/

Notice

通知
Meaning
attention to something; a written or printed announcement
Example
The notice on the board announced the school closure.
掲示板の通知が学校の閉鎖を発表しました。
B1 noun ˈmɪlɪteri

military

軍隊
Meaning
The armed forces of a country.
Example
The military was called for assistance.
軍隊は援助のために呼ばれました。
C1 adjective /ˌsʌbˈkɒn.ʃəs/

subconscious

潜在意識
Meaning
Of or concerning the part of the mind which one is not fully aware of but which influences actions and feelings.
Example
Fears often come from the subconscious mind.
恐怖はしばしば潜在意識から生まれます。
B1 adjective /bɔɪld/

Boiled

ゆでた
Meaning
cooked in boiling water
Example
She served boiled eggs for breakfast.
彼女は朝食に茹で卵を出しました。
A2 noun /ˈbɑt.əm/

Bottom

底; 最下部
Meaning
the lowest point or part of something; the ground under a body of water
Example
The treasure chest was lying at the bottom of the ocean.
宝物の箱は海の底にあった。
B1 noun /edʒ/

Edge

端; 鋭い縁
Meaning
the outside limit of an object or area; a sharp side of a blade
Example
Be careful not to cut yourself on the sharp edge of the knife.
鋭い刃の端で自分を切らないように気をつけてください。
C1 adjective məˈθɒd.ɪ.kəl

methodical

方法的な
Meaning
Done according to a systematic or established procedure; orderly and systematic.
Example
His methodical research produced reliable results.
彼の方法的な研究は信頼できる結果を生み出した。
B1 adjective /ɪnˌvaɪrənˈmɛntl/

environmental

環境的な
Meaning
relating to the natural world and the impact of human activity on its condition
Example
The company adopted new policies to reduce environmental damage.
その会社は環境へのダメージを減らすために新しい方針を採用しました。
C2 noun /ˈθɝː.moʊ.klaɪn/

thermocline

サーモクライン
Meaning
A layer in a body of water in which temperature changes rapidly with depth.
Example
The thermocline separates warm surface water from cold deep water.
サーモクラインは、暖かい表面水と冷たい深層水を分けます。
B2 noun /sɛnt/

scent

香り
Meaning
a distinctive smell, especially a pleasant one
Example
The scent of roses filled the garden.
バラの香りが庭いっぱいに広がった。
B2 noun /ˌfer.ˈwel/

Farewell

さようなら
Meaning
an act of parting or of marking someone's departure
Example
The company organized a farewell party for the retiring manager.
会社は退職するマネージャーのためにさようならパーティーを開催しました。
C1 noun ˈpɛd.ə.ɡɒ.dʒi

pedagogy

教育学
Meaning
The method and practice of teaching, especially as an academic subject or theoretical concept.
Example
Modern pedagogy focuses on student-centered learning.
現代の教育学は学生中心の学習に焦点を当てています。
C1 noun mælˈnʌr.ɪʃ.mənt

malnourishment

栄養失調
Meaning
Lack of proper nutrition, caused by not having enough to eat, not eating enough of the right things, or being unable to use the food that one does eat.
Example
Children in poverty-stricken areas suffer from malnourishment.
貧困地域の子供たちは栄養失調に苦しんでいます。
C2 adjective /ˈkwɒdreɪt/

quadrate

正方形
Meaning
square or nearly square; having four sides or being suited or corresponding to something
Example
The tiles had a neat quadrate shape that made the floor look orderly.
タイルは整然とした正方形の形状をしており、床を整然と見せていました。
B2 adjective /ˈlɪniər/

linear

線形
Meaning
Arranged in or extending along a straight line.
Example
The artist used linear perspective in his drawings.
アーティストは彼の絵に線形透視を使用しました。
A2 adjective /ˈkruːəl/

cruel

残酷
Meaning
Willfully causing pain or suffering to others, or feeling no concern about it.
Example
It was cruel to make fun of the injured boy.
負傷した男の子を笑うのは残酷だった。
C1 adjective /ˌdɪsɪnˈdʒɛnjʊəs/

disingenuous

不誠実な
Meaning
not candid or sincere; giving a false appearance of honesty or openness
Example
She gave a disingenuous excuse for missing the meeting.
彼女は会議に出席しないために不誠実な言い訳をしました。
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。
A1 adjective /ˈtwɛnti/

twenty

二十
Meaning
the number equivalent to 20
Example
He is twenty years old.
彼は20歳です。
C1 adjective /ˈpæl.ɪd/

Pallid

顔色が悪い、特に健康が悪いことによる;物質や活力が欠けている
Meaning
pale, especially because of poor health; lacking substance or vitality
Example
His pallid complexion showed signs of illness.
彼の顔色は病気の兆候を示していました。
C1 adjective /ˈstɛriəˌtaɪpt/

stereotyped

固定観念的な
Meaning
Conforming to a fixed or oversimplified idea of what someone or something is like.
Example
His stereotyped jokes failed to impress the audience.
彼の固定観念的なジョークは観客を感動させられなかった。
C1 adjective /ˈtraɪflɪŋ/

Trifling

些細な; 重要でない; 無駄な
Meaning
of little importance; trivial; insignificant
Example
Don't worry about such trifling matters.
そんな些細なことで心配しないでください。
C2 adjective /ˈoʊ.pən ˈhæn.dɪd/

Open-handed

寛大な; 自由な
Meaning
Generous; liberal; giving freely;
Example
He is very open-handed with his money and always helps those in need.
彼は自分の金に非常に寛大で、いつも困っている人々を助けています。
C2 noun /ˈdrʌmɪt/

Drumet

ドラメット
Meaning
a small drum used in military or marching bands
Example
The drummer played a steady beat on the drumet during the parade.
ドラマーはパレード中にドゥルメットで一定のリズムを演奏しました。
B2 noun /ˈsikwəl/

Sequel

続編
Meaning
a published, broadcast, or recorded work that continues the story or develops the theme of an earlier one; something that takes place after or as a result of an earlier event
Example
The movie sequel was even more successful than the original.
映画の続編はオリジナルよりもさらに成功しました。
C2 adjective /ˈɪn.dɪ.dʒənt/

indigent

困窮
Meaning
lacking the necessities of life due to poverty; very poor
Example
The hospital offers free care to indigent patients.
病院は困窮した患者に無料でケアを提供しています。
C1 adjective /ˌiːɡoʊˈsentrɪk/

egocentric

自己中心的
Meaning
thinking only about yourself and not about others
Example
His egocentric behavior annoyed everyone at the meeting.
彼の自己中心的な行動は会議でみんなをイライラさせた。
C1 adjective /ˈæntɪkweɪtɪd/

antiquated

時代遅れ
Meaning
Old-fashioned or outdated.
Example
The office still uses an antiquated filing system.
オフィスはまだ古くなったファイリングシステムを使用しています。
C1 verb /ˈæmbʊʃ/

ambush

待ち伏せする
Meaning
To attack suddenly and unexpectedly from a hidden position.
Example
The soldiers planned to ambush the enemy at dawn.
兵士たちは夜明けに敵を待ち伏せする計画を立てた。
C1 verb /dɪsˈhɑːrtn/

dishearten

落胆させる
Meaning
to cause someone to lose determination or confidence; to discourage
Example
The constant rejection letters began to dishearten the young writer.
継続的な拒否の手紙が若い作家を落胆させ始めた。
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。
B2 verb /əˈweɪt/

await

待つ
Meaning
to wait for someone or something; to expect
Example
We await your response with great anticipation.
私たちはあなたの返事を大きな期待を持って待っています。
A1 adjective /θɜrd/

third

三番目
Meaning
constituting number three in a sequence
Example
She finished in third place.
彼女は三番目に終わった。
B2 adjective /ˈfes.tɪv/

Festive

お祭りのような; 楽しい; セレブレーション
Meaning
joyful; celebratory; having the characteristics of a festival
Example
The house looked festive with colorful decorations.
家はカラフルな飾り付けでお祭り気分だった。
C1 noun /ˈbæləd/

ballad

叙事歌
Meaning
a narrative song or poem, often sentimental or romantic
Example
The singer performed a moving ballad about lost love.
歌手は失われた愛について感動的なバラッドを披露しました。
B2 verb /ˈraɪpən/

ripen

幸せ
Meaning
to become or make something ready to eat or fully developed
Example
The bananas ripened quickly in the warm weather.
彼女は賞を受け取ったとき、幸せを隠せなかった。
A1 adverb /ðɛn/

then

それから
Meaning
at that time; next in order of time or place
Example
We went to the park, and then we had lunch.
公園に行って、その後昼食をとりました。
C2 noun /dɪˌlɪniˈeɪʃən/

delineation

delineation
Meaning
the precise description, drawing, or outlining of something
Example
The artist’s delineation of the landscape was remarkably accurate.
アーティストの風景のデリニエイションは驚くほど正確でした。
B2 verb /əkˈnɒlɪdʒ/

acknowledge

認める
Meaning
to accept or admit the existence or truth of something; to recognize
Example
She acknowledged her mistake and apologized.
彼女は自分のミスを認め、謝罪した。
C2 verb /ɪˈvɪsəˌreɪt/

eviscerate

臓器を取り除く、破壊する
Meaning
to remove the internal organs of; to deprive of essential content
Example
The critics eviscerated the movie for its weak storyline.
批評家たちはその映画の弱いストーリーラインに対して破壊しました。
C2 noun /ˈpraɪəri/

priory

修道院
Meaning
a small monastery or convent governed by a prior or prioress
Example
The old priory was converted into a museum.
古い修道院は博物館に改装されました。
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 noun /kɒŋk/

Conck

Meaning
a shell, especially a large spiral one used as a horn or for decoration
Example
The priest blew the conch shell to signal the start of the ceremony.
司祭は儀式の開始を知らせるためにコンクの貝を吹きました。
C2 noun /ˈdʌlərd/

dullard

愚か者
Meaning
a slow or stupid person
Example
He was considered a dullard by his classmates.
彼はクラスメートによって愚か者だと考えられていた。
B1 noun ˈsɪs.təmz

systems

システム
Meaning
A set of connected things or parts forming a complex whole.
Example
Effective systems improve productivity.
効果的なシステムは生産性を向上させます。
B2 adjective /hoʊˈlɪs.tɪk/

holistic

全体的な
Meaning
Understanding or analyzing something through a comprehensive, integrated whole perspective.
Example
A holistic approach to health considers both body and mind.
健康に対するホリスティックなアプローチは、体と心の両方を考慮に入れます。
B2 adverb /ˈɑːɡjuːəbli/

arguably

おそらく
Meaning
used to say that a statement is open to argument or is considered true by many people
Example
She is arguably the most talented player on the team.
彼女はおそらくチームで最も才能のある選手だ。
B2 noun /ˈder.ɪŋ/

Daring

大胆; 危険を冒す意欲
Meaning
adventurous courage; willingness to take risks
Example
The mountain climber's daring impressed everyone at the base camp.
山登りの冒険心は、ベースキャンプの皆に感動を与えました。
B2 noun /sɔːrd/

Sword

Meaning
a weapon with a long metal blade and a handle, used for fighting
Example
The knight drew his sword to defend the castle.
騎士は城を守るために剣を抜いた。
C2 noun /ˈkɒɡneɪt/

cognate

同根語
Meaning
a word related to another word in origin; having the same linguistic root
Example
The Spanish word 'madre' and the English word 'mother' are cognates.
スペイン語の「madre」と英語の「mother」は同根語です。
C2 /ˈpæn.ə.pli/

panoply

全装備
Meaning
A complete or impressive collection of things; a full set of armor.
Example
The museum displayed a panoply of ancient weapons.
博物館は古代の武器の全装備を展示しました。
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。
C2 noun /ˈɡlʌt.ən/

Glutton

大食い
Meaning
a person who regularly eats or drinks more than is necessary; someone who has an excessive appetite
Example
He was known as a glutton who could finish three large pizzas in one sitting.
彼は一度に三枚の大きなピザを食べきることができる大食いとして知られていました。
C2 adjective /ˈruːbɪkənd/

rubicund

健康的な赤みを帯びた顔
Meaning
Having a healthy reddish complexion.
Example
The old man’s rubicund face showed he was in good health.
その老人の赤みを帯びた顔は、彼が健康であることを示していた。
A1 verb /wɜːrk/

work

働く
Meaning
to perform tasks or duties to earn money or achieve goals
Example
He works as a teacher at the local school.
彼は地元の学校で教師として働いています。
B2 noun ˈbreɪk.θruː

breakthrough

ブレークスルー
Meaning
A sudden, dramatic, and important discovery or development.
Example
The breakthrough opens doors for new technology.
このブレークスルーは新しい技術への扉を開きます。
B2 verb /klɪŋ/

cling

幸せ
Meaning
to hold on tightly to someone or something
Example
The child clung to his mother in fear.
彼女は賞を受け取ったとき、幸せを隠せなかった。
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。
C1 noun /vəˈlɒs.ɪ.ti/

velocity

速度
Meaning
Speed or acceleration, the rate of movement of any object or vehicle.
Example
High velocity trains reduce travel time significantly.
高速鉄道は移動時間を大幅に短縮します。
B2 adjective, noun /ˈfeɪʃəl/

facial

フェイシャル
Meaning
Relating to the face; a beauty treatment for the face
Example
She booked a facial at the spa.
彼女はスパでフェイシャルを予約しました。
B1 noun trend

trend

傾向
Meaning
A general direction in which something is developing or changing; a pattern or tendency.
Example
The current trend of deforestation is alarming.
現在の森林伐採の傾向は警戒すべきです。
C1 noun /ˌdɪp.ləˈmæt.ɪk ˈmaɪl.stəʊn/

diplomatic milestone

外交上のマイルストーン
Meaning
A significant achievement or important event in diplomatic relations.
Example
Hosting the summit was a diplomatic milestone.
サミットの開催は外交上のマイルストーンでした。
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 /ˈsɜːrəɡət/

surrogate

代理人
Meaning
A substitute, especially a person deputizing for another in a specific role or office.
Example
The surrogate mother gave birth to the child after carrying it for nine months.
代理母は九か月間子どもを妊娠してから子どもを出産した。
B2 noun /ˈmɛntɔːr/

mentor

メンター
Meaning
an experienced person who advises and guides someone less experienced
Example
She acted as a mentor for the new employees.
彼女は新しい社員のためにメンターとして活動しました。
B1 noun, verb /flæɡ/

flag

Meaning
a piece of fabric with a symbol or colors; or to mark or signal attention
Example
They raised the national flag during the ceremony.
C1 adjective /ˈæmərəs/

amorous

情熱的
Meaning
Showing, feeling, or relating to romantic love or desire.
Example
He sent her an amorous letter filled with declarations of love.
彼は愛の宣言でいっぱいのアモロスな手紙を彼女に送った。
A2 verb /ɡriːt/

greet

挨拶する
Meaning
to welcome someone; to say hello
Example
She greeted her guests warmly at the door.
彼女はドアでゲストを温かく迎えました。
C2 noun /ˈlɪtərdʒi/

liturgy

典礼
Meaning
A form or formulary according to which public religious worship is conducted.
Example
The priest followed the liturgy during the Sunday mass.
司祭は日曜日のミサで典礼に従いました。
C2 noun /ˈdɛkəˌɡræm/

decagram

デカグラム
Meaning
A metric unit of mass equal to ten grams.
Example
The package weighed exactly one decagram.
そのパッケージはちょうど1デカグラムの重さでした。
C1 adjective dɪsˈfʌŋkʃənl

dysfunctional

機能不全の
Meaning
Not operating normally or properly.
Example
The dysfunctional system led to numerous delays and errors.
機能不全のシステムは多くの遅延とエラーを引き起こしました。
C1 adjective /ˈkɒɡ.nɪ.zənt/

cognizant

認識している
Meaning
Having knowledge or being aware of something.
Example
He was cognizant of the risks before starting the project.
彼はプロジェクトを開始する前にリスクに気づいていた。