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B1 verb /pərˈfɔːrm/

perform

演じる
Meaning
to carry out an action or present entertainment; to function
Example
The orchestra will perform at the concert hall tonight.
オーケストラは今夜コンサートホールで演奏を行います。
C2 noun /ˌtɜːdʒɪvərˈseɪʃən/

tergiversation

回避, 二重性
Meaning
Evasion of straightforward action or speech; changing sides or being inconsistent.
Example
The politician’s tergiversation frustrated his supporters.
その政治家のタージヴァーセイションは彼の支持者を失望させた。
B2 adverb /ɪkˈstɛnsɪvli/

extensively

広範囲に
Meaning
in a thorough or wide-ranging manner
Example
She traveled extensively across Europe for her research.
彼女は研究のためにヨーロッパを広範囲に旅行しました。
B2 verb /ˈstʌmbəl/

stumble

つまずく
Meaning
to trip or lose balance while walking or running; to make a mistake or falter
Example
He stumbled on the uneven pavement.
彼はでこぼこな歩道でつまずいた。
B1 adverb /ˈkloʊsli/

closely

幸せ
Meaning
in a way that is very near in space, time, or relationship; carefully and attentively
Example
The detective examined the evidence closely.
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なかった。
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。
B2 adjective /ʌnˈskɪld/

Unskilled

未熟な; 技術のない労働者
Meaning
lacking technical training or ability; not requiring special skills
Example
Many unskilled workers are looking for training opportunities.
多くの未熟な労働者がトレーニングの機会を探しています。
C2 noun /ˌbɪbliəʊˈmeɪniə/

bibliomania

ビブリオマニア
Meaning
An extreme obsession with collecting or possessing books.
Example
His bibliomania led him to fill every room with books.
彼のビブリオマニアは、彼を本で部屋をいっぱいにさせた。
C2 adjective /ˌpɛstɪˈlɛnʃəl/

pestilential

疫病の
Meaning
Relating to or causing pestilence; very harmful, troublesome, or dangerous.
Example
The pestilential smell of the garbage filled the street.
ゴミのペスティレンシャルな匂いが通りを満たした。
C1 noun /ˈpræɡmətɪst/

pragmatist

実利主義者
Meaning
A person who deals with things in a practical and realistic way.
Example
He is a true pragmatist who values results over ideals.
彼は結果を理想よりも重視する真の実利主義者です。
B2 adjective ˈɡrædʒ.u.əl

gradual

徐々に
Meaning
Taking place or progressing slowly or by degrees.
Example
Gradual changes are more sustainable.
徐々に変化することはより持続可能です。
C1 verb /ˌkɒntrəˈviːn/

contravene

違反する
Meaning
to go against or act in opposition to a law, rule, or agreement
Example
He contravened the safety regulations and was fined.
彼は安全規則に反したため、罰金を科せられました。
C2 verb /ɛmˈbleɪzən/

emblazon

目立つ方法で飾る
Meaning
To decorate or display something in a noticeable or impressive way.
Example
The team's logo was emblazoned on their uniforms.
チームのロゴは彼らのユニフォームに鮮明に表示されていました。
C1 noun /ˌluː.brɪˈkeɪ.ʃən/

lubrication

潤滑
Meaning
The action of applying a substance to reduce friction between surfaces in mutual contact.
Example
Lubrication of the eyes is essential for well-being.
目の潤滑は健康にとって重要です。
C2 noun/verb /læˈsuː/

lasso

ロープ
Meaning
a rope with a loop used to catch animals; to catch with such a rope
Example
The cowboy lassoed the horse quickly.
カウボーイは素早く馬をラッソしました。
C2 noun əˌklaɪ.mə.tɪˈzeɪ.ʃən

acclimatization

適応
Meaning
The process of adapting to a new environment or condition.
Example
The hikers needed time for acclimatization to high altitudes.
登山者は高い標高に適応するために時間が必要でした。
B1 noun /ˌæv.əˈkɑː.doʊ/

Avocado

アボカド
Meaning
a green pear-shaped fruit with creamy flesh and high fat content, often used in healthy diets
Example
Avocado is rich in healthy fats and is popular in salads and toast.
アボカドは健康に良い脂肪が豊富で、サラダやトーストに人気があります。
B2 adjective /ʌnˈiːkwəl/

Unequal

不平等; 不正;
Meaning
not the same in quantity, size, or value; not fair or just
Example
The distribution of wealth is unequal in many countries.
多くの国々では、富の分配は不平等です。
A2 noun /ˈpɛpər/

pepper

胡椒
Meaning
a pungent spice obtained from pepper plants, used to flavor food
Example
I like to add pepper to my soup.
私はスープに胡椒を加えるのが好きです。
A2 adjective /ˈɡoʊldən/

Golden

金色
Meaning
having the color of gold; bright yellow
Example
The golden sunset painted the sky beautifully.
金色の夕日が空を美しく塗った。
C2 adjective /ˈhaɪd.baʊnd/

hidebound

Meaning
unwilling or unable to change because of tradition or convention
Example
He is too hidebound to accept new ideas.
C2 adjective /ˈʃɑːpwɔːrn/

shopworn

古くなった / 色あせた
Meaning
worn or faded from being displayed in a shop; no longer fresh or original
Example
The shopworn shoes were sold at a discount.
ショッピングワーンの靴は割引価格で販売されました。
C2 noun /ˈrɛlɪkwɛri/

reliquary

聖遺物を保管する容器
Meaning
a container for holy relics
Example
The ancient reliquary was decorated with gold and precious stones.
古代のレリクエアリは金と貴重な石で飾られていました。
B1 verb əˈdrɛst

addressed

対応した
Meaning
To think about and begin to deal with an issue or problem.
Example
Addressing key problems is vital for long-term change.
主要な問題に取り組むことは、長期的な変化にとって重要です。
C1 adjective /ɪnˈstɪŋk.tɪv/

instinctive

本能的, 自然な, 自動的
Meaning
Based on instinct; done without conscious thought; natural and automatic.
Example
His instinctive reaction saved his life.
彼の本能的な反応は彼の命を救った。
C1 verb /dɪsˈtrʌst/

distrust

不信
Meaning
to have no confidence or trust in someone or something
Example
Many people distrust politicians.
多くの人々は政治家を信用しません。
A1 verb /bɪˈkʌm/

become

なる
Meaning
to grow to be; to come to be
Example
She became a doctor after years of study.
彼女は何年もの勉強を経て医師になりました。
A2 noun /ˈbɪljən/

billion

Meaning
the number 1,000,000,000 (one thousand million)
Example
The company is worth more than a billion dollars.
B1 verb /kənˈtrɪbjuːt/

contribute

貢献する
Meaning
to give something, especially money, time, or effort, to help achieve or provide something
Example
Everyone contributed money to buy a farewell gift for the teacher.
みんなは先生へのお別れの贈り物を買うためにお金を寄付しました。
B2 adjective /ˈnoʊ.ɪŋ/

Knowing

知識; 洞察力; 賢い;
Meaning
showing awareness or understanding; perceptive; shrewd
Example
She gave him a knowing smile when he mentioned the secret.
彼は秘密に言及したとき、彼女は知っているような笑顔を見せた。
B2 noun /laɪm/

Lime

ライム
Meaning
a small green citrus fruit with acidic juice
Example
Add a slice of lime to your drink.
あなたの飲み物にライムのスライスを加えてください。
C1 verb /ˈdæb.əl/

dabble

軽く取り組む
Meaning
To take part in an activity in a casual or superficial way.
Example
He dabbled in painting during his college days.
彼は大学時代に絵を描くことを楽しんでいた。
C2 adjective /pruːˈdɛnʃəl/

prudential

慎重な
Meaning
involving or showing prudence, especially in financial or business matters
Example
The bank has set prudential rules to protect depositors.
銀行は預金者を保護するために慎重な規則を設定しました。
B1 noun /kəmˈpleɪnt/

complaint

苦情
Meaning
a statement that something is wrong or not satisfactory
Example
The manager received a complaint from a customer about poor service.
マネージャーは、顧客からのサービスが悪いという苦情を受け取りました。
A2 adjective /kənˈsɜːnd/

concerned

心配な
Meaning
worried or anxious about something; involved or interested in something
Example
She was concerned about her mother's health.
彼女は母親の健康について心配していた。
C2 adjective /ˈbaɪ.fərˌkeɪ.tɪd/

bifurcated

二つに分かれた
Meaning
Divided into two branches or parts.
Example
The river became bifurcated as it flowed around the island.
川は島の周りを流れる際に二つに分かれました。
B2 verb /səˈrɛndər/

surrender

降伏する
Meaning
to give up or yield to an opponent or authority
Example
The army finally surrendered after weeks of fighting.
数週間の戦闘の後、軍隊は最終的に降伏しました。
C1 noun /ˈprɒvənəns/

provenance

出所
Meaning
The origin or source of something.
Example
The museum verified the provenance of the ancient manuscript.
博物館は古代の写本の出所を確認しました。
C1 adjective /məˈlaɪn/

Malign

有害な; 中傷的な
Meaning
evil in nature or effect; harmful; slanderous
Example
He spread malign rumors about his colleague.
彼は同僚について有害な噂を広めました。
C1 adjective /ˌɔːtəˈkrætɪk/

autocratic

独裁的
Meaning
Relating to a ruler who has absolute power and does not consult others.
Example
The manager’s autocratic style discouraged employees from sharing their ideas.
マネージャーの独裁的なスタイルは、従業員が自分の考えを共有することを思いとどまらせました。
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 verb /ˈtɪpəl/

tipple

少し飲む
Meaning
to drink alcohol, especially regularly or in small amounts
Example
He likes to tipple at the local pub after work.
彼は仕事の後、地元のパブで少し飲むのが好きです。
C2 noun /ˌpraɪvəˈtɪə/

privateer

私掠船
Meaning
A privately owned armed ship authorized by a government to attack enemy ships during war.
Example
The privateer captured several enemy vessels during the conflict.
プライベティアは紛争中にいくつかの敵船を捕らえました。
C1 adjective /ˈɡleɪʃəl/

glacial

氷または氷河に関連する
Meaning
relating to ice or glaciers; extremely cold or unfriendly
Example
The mountains were covered in glacial ice.
山々は氷河の氷で覆われていました。
C2 noun /ˈflætʃələns/

flatulence

消化器系のガスの蓄積
Meaning
the accumulation of gas in the digestive system; excessive gas in the stomach or intestines
Example
Eating beans can sometimes cause flatulence.
豆を食べると時々おならが出ることがあります。
A1 pronoun /ðɛm/

them

彼ら
Meaning
used to refer to people or things previously mentioned or easily identified
Example
I saw them at the park yesterday.
昨日、公園で彼らを見かけました。
B1 adverb /ˈdaʊnwədz/

Downwards

下向き
Meaning
towards a lower place or position; in a downward direction
Example
The ball rolled downwards along the slope.
ボールは坂を下向きに転がった。
C1 verb /ˌpriːˈmɛdɪteɪt/

premeditate

事前に考える
Meaning
to think about and plan something (especially a crime) beforehand
Example
The suspect was accused of premeditating the crime.
容疑者は犯罪を事前に計画したとして非難されました。
B2 adjective /ˈræp.ɪd/

Rapid

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

ineffectual

効果がない
Meaning
Not producing any or the desired effect; lacking the ability or qualities to achieve a purpose.
Example
The manager’s ineffectual leadership caused the team to lose motivation.
マネージャーの効果がないリーダーシップは、チームがモチベーションを失う原因となった。
B1 noun /tɛkˈniːk/

technique

技術
Meaning
A particular way of carrying out a task, especially with skill.
Example
She learned a new breathing technique in yoga class.
彼女はヨガのクラスで新しい呼吸法を学びました。
C1 verb /ˌdɪsɪnˈɡeɪdʒ/

disengage

解放する
Meaning
To release or detach oneself from something; to withdraw.
Example
He tried to disengage from the heated argument.
彼は熱い議論から解放しようとした。
B2 noun /kənˈspɪrəsi/

conspiracy

陰謀
Meaning
A secret plan by a group to do something unlawful or harmful.
Example
The police uncovered a conspiracy to overthrow the government.
警察は政府を転覆させる陰謀を暴露した。
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。
C1 noun /ˈsuːdənɪm/

pseudonym

筆名
Meaning
a fictitious name used by an author instead of their real name
Example
Mark Twain was the pseudonym of Samuel Clemens.
マーク・トウェインはサミュエル・クレメンスの筆名でした。
C1 adjective /sɪər/

Sear

枯れた; 焼けた; 乾燥した
Meaning
withered; dried up; burned or scorched
Example
The sear leaves fell from the trees in autumn.
秋に枯れた葉が木から落ちました。
B2 noun /dʒiˈɒl.ə.dʒi/

geology

地質学
Meaning
the science that deals with the Earth's physical structure and substances
Example
She studied geology to understand earthquakes.
彼女は地震を理解するために地質学を学びました。
C1 adjective /ˈnjʊrəl/

neural

Meaning
Relating to nerves or the nervous system.
Example
Scientists study neural connections in the brain.
B2 noun /ˈher ˌpɪn/

Hair pin

ヘアピン
Meaning
a thin piece of metal or plastic used to hold hair in place
Example
She used several hair pins to secure her elegant updo.
彼女はエレガントなアップスタイルを固定するためにヘアピンをいくつも使った。
C1 adjective /ˈhæloʊd/

hallowed

神聖
Meaning
regarded as holy or greatly respected
Example
They walked across the hallowed halls of the old university.
彼らは古い大学の神聖な廊下を歩いた。
A1 noun /ˈtiːˈviː/

tv

テレビ
Meaning
a device used to receive television broadcasts
Example
I watch my favorite shows on TV every evening.
毎晩、テレビでお気に入りの番組を見ています。
C1 adjective /pɜːrt/

pert

生意気だけど魅力的
Meaning
attractively lively or cheeky in manner or style
Example
She gave a pert reply that made everyone laugh.
彼女はみんなを笑わせた生意気な返事をした。
C1 noun ˌdɛɡrəˈdeɪʃən

degradation

劣化
Meaning
The condition or process of degrading or being degraded.
Example
Soil degradation due to overuse is a growing issue.
過剰な使用による土壌の劣化は、増大する問題です。
C2 noun /ˈæntɪkwɛri/

antiquary

骨董品商
Meaning
A person who studies, collects, or deals in antiques or ancient objects.
Example
The antiquary spent years collecting rare manuscripts from the medieval period.
アンティクアリーは中世の貴重な手稿を集めるのに何年も費やしました。
B2 verb /ɪnˈlaɪtən/

enlighten

幸福
Meaning
to give someone greater knowledge or understanding about a subject or situation
Example
The teacher tried to enlighten the students about ancient history.
彼女は賞を受け取ったとき、幸せを隠すことができませんでした。
B2 noun /ˈpen.ʃən/

Pension

年金
Meaning
a regular payment made to someone who is no longer working because of age or disability
Example
After retirement, he receives a monthly pension from the company.
退職後、彼は会社から毎月年金を受け取ります。
A2 noun /dɪʃ/

Dish

皿
Meaning
a shallow, flat-bottomed container for cooking or serving food; a particular variety or preparation of food served as part of a meal
Example
Please put the rice on the dish before serving.
お米を皿に載せてから提供してください。
B1 adjective /ˈplʊrəl/

plural

複数
Meaning
denoting more than one person or thing
Example
The word 'cats' is the plural of 'cat'.
'猫'の複数形は'猫たち'です。
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。
C2 noun /ˌmɛtəfɪˈzɪʃən/

metaphysician

形而上学者
Meaning
A person who studies or is an expert in metaphysics.
Example
The metaphysician debated the essence of reality with his peers.
形而上学者は現実の本質について仲間たちと議論した。
C2 adjective /ˈrɛkənˌdaɪt/ or /ˈrɛkəndaɪt/

recondite

ほとんど知られていない、または理解しにくい
Meaning
Little known or difficult to understand.
Example
The professor’s lecture was full of recondite theories.
教授の講義は難解な理論で満ちていた。
C1 adjective /dɪsˈrɛpjətəbl̩/

disreputable

不名誉な
Meaning
having a bad reputation; not considered respectable or trustworthy
Example
The journalist avoided staying in the disreputable part of town.
ジャーナリストは町の不名誉な地区に泊まるのを避けました。
B2 noun wɜːrld ˈhɛrɪtɪdʒ saɪt

World Heritage Site

世界遺産
Meaning
A landmark or area selected by UNESCO for having cultural, historical, scientific or other form of significance.
Example
Sundarbans is a UNESCO World Heritage Site.
スンダルバンズはユネスコの世界遺産です。
B1 adjective; verb (past and past participle of prepare) /prɪˈpɛrd/

prepared

準備ができた
Meaning
made ready in advance; having made plans or taken steps beforehand
Example
She was fully prepared for the final exam.
彼女は期末試験の準備が完全にできていた。
B1 noun ˈbaʊndəri

boundary

境界
Meaning
A line that marks the limits of an area; a dividing line.
Example
The river marks the boundary.
川が境界を示します。
B2 noun /ˈkætəlɔːɡ/

catalog

カタログ
Meaning
a complete list of items, typically arranged systematically
Example
The library provides an online catalog of all available books.
図書館はすべての利用可能な本のオンラインカタログを提供しています。
C1 noun /haɪˈeɪtəs/

hiatus

中断
Meaning
A pause or break in continuity of a process or activity.
Example
The show returned after a long hiatus.
ショーは長い中断の後、再び始まりました。
B2 noun /næˈreɪʃən/

narration

ナレーション
Meaning
The act of telling a story or describing events in detail.
Example
The movie’s narration was done by a famous actor.
映画のナレーションは有名な俳優によって行われました。
C1 noun /ˈbaɪoʊˌsfɪr/

Biosphere

バイオスフィア
Meaning
the regions of the surface and atmosphere of the earth occupied by living organisms
Example
Climate change is affecting the entire biosphere.
気候変動はバイオスフィア全体に影響を与えています。
A2 noun /tʃɜːrtʃ/

church

教会
Meaning
a building used for public Christian worship
Example
The old church in the village was built in the 18th century.
村の古い教会は18世紀に建てられました。
C2 adjective ɪnˈfiː.zə.bəl

infeasible

不可能
Meaning
Not possible to do easily or conveniently; impracticable.
Example
Restoring the forest may become infeasible if destruction continues.
森林の回復は、破壊が続くと不可能になる可能性があります。
C1 verb /kʌl/

cull

Meaning
to select or remove from a larger group, often to reduce numbers
Example
The farmers decided to cull the sick animals from the herd.
C1 noun /ˈsɪ.nɪk/

Cynic

皮肉屋; 疑い深い人
Meaning
a person who believes that people are motivated purely by self-interest; someone who is skeptical about human nature
Example
The old cynic believed that politicians only cared about getting votes.
その古い皮肉屋は政治家がただ票を得ることにしか関心がないと信じていた。
C2 noun /ˌɛksəˈdʒiːsɪs/

exegesis

注解
Meaning
A critical explanation or interpretation of a text, especially a religious scripture.
Example
The professor gave a detailed exegesis of the biblical passage.
教授は聖書の一節の詳細な注解を提供した。
B2 verb rɪˈzaɪn

resign

辞任する
Meaning
Voluntarily leave a job or other position.
Example
Ministers were forced to resign.
大臣たちは辞任を余儀なくされました。
B2 adjective /ˈtæn.dʒɪ.bəl/

tangible

触知可能
Meaning
Perceptible by touch; clear and definite; real.
Example
The benefits of exercise are tangible and measurable.
運動の利益は目に見え、測定可能です。
C1 noun /ˈkævərn/

cavern

洞窟
Meaning
a large cave or chamber in a cave
Example
The explorers entered a dark cavern beneath the mountain.
探検家たちは山の下にある暗い洞窟に入った。
C1 adjective /riˈæk.tɪv/

Reactive

反応的; 化学的に活発
Meaning
responding to situations rather than initiating them; chemically active
Example
The company took a reactive approach to customer complaints.
会社は顧客の苦情に反応的なアプローチを採用しました。
C2 verb /ˈbaʊdləˌraɪz/

bowdlerize

不適切な部分を削除する
Meaning
to remove or modify parts of a text considered offensive or inappropriate
Example
The editor bowdlerized the novel to make it suitable for children.
編集者はその小説を子供向けに適したものにするために修正した。
C2 verb /ˌɪmpɔːrˈtuːnd/

importuned

しつこく頼む
Meaning
asked someone persistently and pressingly for something
Example
She importuned her boss for a raise until he finally gave in.
彼女は昇給を求めて上司にしつこく頼んだ、彼がとうとう折れたまで。
C2 noun /ˌdɪsɪnklɪˈneɪʃən/

disinclination

不本意
Meaning
a lack of willingness or desire to do something
Example
She showed a clear disinclination to join the meeting.
彼女は会議に参加する明確な不本意を示した。
B2 adverb /ˈwɪl.ɪŋ.li/

Willingly

自発的に
Meaning
in a willing manner; voluntarily; with free will
Example
She willingly helped her neighbors during the emergency.
彼女は緊急時に自発的に隣人を助けました。
C2 adjective /ˈæb.ə.rənt/

aberrant

異常
Meaning
deviating from what is normal or expected; abnormal
Example
His aberrant behavior shocked everyone at the meeting.
彼の異常な行動は会議で誰もが驚かせた。
B1 noun ˌkɒnsənˈtreɪʃən

concentration

集中
Meaning
The action or power of focusing one's attention or mental effort on a particular object or activity
Example
Concentration is key to mastering any skill.
集中はどんなスキルでも習得するための鍵です。
C2 adjective /ɪˈræsɪbl/

irascible

怒りっぽい
Meaning
Easily angered; quick-tempered.
Example
His irascible nature often got him into trouble.
彼の怒りっぽい性格はよくトラブルを引き起こしていた。
B1 noun /ˈɪnkʌm/

income

収入
Meaning
money received for work or through investments
Example
His monthly income is enough to support his family.
彼の月収は家族を支えるのに十分です。
C2 noun /ˈɔɪl.mən/

Oilman

石油業者
Meaning
a person who works in the oil industry; someone who sells oil or petroleum products
Example
The oilman discovered a new oil field in the desert.
オイルマンは砂漠で新しい油田を発見した。
B2 verb /kəmˈpɛl/

compel

強制する
Meaning
To force or drive someone to do something.
Example
The law compels citizens to pay taxes.
法律は市民に税金を支払うことを強制します。
C1 adjective /kənˈdʒenɪtl/

congenital

先天的
Meaning
existing from birth, usually describing a disease or condition
Example
The child was born with a congenital heart defect.
その子供は先天的な心臓疾患を持って生まれました。
C1 verb/noun /ˈkwɪbəl/

quibble

Meaning
To argue or raise objections about a trivial matter; a petty objection.
Example
They quibbled over who should pay the bill.
B2 noun /ˈdʒʌŋk.ʃən/

Junction

ジャンクション
Meaning
a place where two or more roads or railway lines meet; a point where things join or connect
Example
Turn left at the junction to reach the shopping center.
ショッピングセンターに行くために、ジャンクションで左に曲がってください。
C2 adjective /ˈɡæŋ.ɡli/

gangly

高くて不器用
Meaning
Tall, thin, and awkward in movement or appearance.
Example
The gangly teenager stumbled while trying to dance.
不器用なティーンエイジャーはダンスしようとしたときにつまずきました。
C1 noun /ɡroʊv/

grove

木立 / 小さな果樹園
Meaning
A small group of trees growing close together.
Example
They walked through the orange grove.
彼らはオレンジの林を歩いていました。
C1 adjective /kəˈrəʊsɪv/

corrosive

腐食性、有害
Meaning
tending to cause corrosion; harmful or destructive to materials or people
Example
The chemical is highly corrosive and should be handled with care.
この化学物質は非常に腐食性が高く、注意して取り扱う必要があります。
C1 adjective /kənˈtraɪvd/

contrived

人工的または強制的; 自然でないまたは自発的でない
Meaning
artificial or forced; not natural or spontaneous
Example
The ending of the movie felt contrived and unrealistic.
映画の結末は作り物で非現実的に感じました。
B1 adjective /ˌʌndərˈstændəbl/

understandable

理解できる
Meaning
Able to be understood; reasonable or justifiable.
Example
Her reaction was understandable given the situation.
その反応は状況を考慮すると理解できるものでした。
A2 adverb /ˈsʌm.deɪ/

someday

いつか
Meaning
at some time in the future
Example
Someday, I want to travel the world.
いつか、私は世界中を旅したい。
B1 noun /ˈbɔr.dər/

Border

国境
Meaning
a line separating two political or geographical areas, especially countries
Example
They crossed the border between France and Spain by train.
彼らは電車でフランスとスペインの間の国境を越えました。
B1 noun /ruːt/

Root

根; 起源; 基本原因; ルート
Meaning
the part of a plant that grows underground; the basic cause, source, or origin of something
Example
We need to find the root of this problem to solve it permanently.
この問題の根本原因を見つけて、永続的に解決する必要があります。
B2 verb /ˈspɛkjʊˌleɪt/

speculate

推測する / 投資する
Meaning
To form a theory or guess without firm evidence; to invest in stocks, property, etc. hoping for profit.
Example
Experts speculate that the company may expand into new markets.
専門家は会社が新しい市場に進出する可能性があると予測しています。
C2 noun /ʃəˈɡrɪn/

chagrin

失望
Meaning
Distress or embarrassment at having failed or been humiliated.
Example
She left the room in chagrin after forgetting her lines.
彼女はセリフを忘れた後、失望して部屋を出ました。
C1 noun /ˌsɛnsɪtaɪˈzeɪʃən/

sensitization

感作化
Meaning
The process of becoming sensitive to a substance, situation, or influence.
Example
The doctor warned about the sensitization caused by repeated exposure to chemicals.
医者は化学物質への繰り返しの暴露によって引き起こされる感作化について警告しました。
B1 verb səˈpɔːrtɪŋ

supporting

支援する
Meaning
Giving assistance to; helping to bear the weight of something.
Example
Supporting education initiatives helps reduce child labour.
教育の取り組みを支援することは、児童労働を減らすのに役立ちます。
C1 adjective /ɡlʌm/

Glum

憂鬱な; 落ち込んだ; 元気がない
Meaning
sad; dejected; downcast; gloomy
Example
He looked glum after hearing the bad news.
彼は悪いニュースを聞いた後、元気がなく見えました。
B2 noun /ˈɒkjʊpənt/

occupant

乗客
Meaning
A person who resides in or is present in a house, vehicle, seat, or place.
Example
The car had three occupants at the time of the accident.
事故の時、車には三人の乗客がいました。
A2 noun /flaɪt/

flight

フライト / フライト
Meaning
the act of flying, typically through the air; or a scheduled trip by an aircraft
Example
Our flight to London was delayed due to bad weather.
ロンドン行きのフライトは悪天候のため遅れました。
A2 noun /klaʊn/

Clown

道化師; サーカスの中で特に伝統的な衣装と誇張されたメイクをしたコメディアン
Meaning
a comic entertainer, especially one in a circus, wearing a traditional costume and exaggerated makeup
Example
The children laughed loudly at the funny clown's silly antics.
子供たちは面白いクラウンの愚かな仕草に大笑いしました。
A2 verb /ˈtʃeɪndʒɪŋ/

changing

変化
Meaning
The act of becoming different; ongoing process of change.
Example
The weather is changing rapidly.
天気は急速に変化しています。
B2 noun /ˈmʌð.ər.hʊd/

Motherhood

母性
Meaning
the state of being a mother; the qualities of a mother
Example
She embraced the joys and challenges of motherhood.
彼女は母性の喜びと挑戦を受け入れました。
C1 verb /rɪˈtælieɪt/

retaliate

報復する
Meaning
to make an attack in return for a similar attack
Example
The army retaliated after the enemy attack.
軍隊は敵の攻撃の後、報復した。
B1 noun /ˈpæsɪdʒ/

passage

狭い通路; 断片/引用; 一つの状態や場所から他の場所へ移動するプロセス
Meaning
a narrow way through or between; a section of text or music; the process of moving from one state or place to another
Example
The narrow passage led from the courtyard to the library.
狭い通路は中庭から図書館へと続いていた。