sophisticate
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C1 verb /səˈfɪstɪkeɪt/

sophisticate

洗練する
Meaning
to make something more complex or refined; to educate or develop in taste and manners
Example
Traveling abroad helped sophisticate his worldview.
海外旅行は彼の世界観を洗練させる手助けとなった。
C1 noun /ʃæk/

Shack

小屋
Meaning
a small, crudely built dwelling; a poorly constructed building
Example
The fisherman lived in a small shack near the beach.
漁師は海岸近くの小さな小屋に住んでいました。
C1 adjective/verb /ˈprɒstreɪt/

prostrate

倒れる
Meaning
lying stretched out on the ground with one's face downward, often as a sign of submission or exhaustion
Example
He lay prostrate on the ground after the long battle.
長い戦いの後、彼は地面に倒れて横たわった。
C1 adjective /ˌʌnfɔːrθˈkʌmɪŋ/

unforthcoming

協力的でない
Meaning
Not willing to talk or provide information; uncooperative.
Example
The witness was unforthcoming about what he had seen.
証人は見たことについて協力的でなかった。
C1 noun delˈteɪɪk ˈlændskeɪp

deltaic landscape

デルタ地形
Meaning
A geographical area formed by sediment deposits at the mouth of a river, creating a triangular land formation.
Example
Bangladesh has a unique deltaic landscape.
バングラデシュにはユニークなデルタ地形があります。
C1 noun prəˈpɛn.sə.ti

propensity

傾向または自然な傾向
Meaning
An inclination or natural tendency to behave in a particular way.
Example
He has a propensity for taking risks in business.
彼はビジネスでリスクを取る傾向がある。
C1 verb /ɪnˈfleɪm/

inflame

煽る
Meaning
to arouse strong feelings or provoke anger; to cause inflammation in the body
Example
The politician's remarks served to inflame public opinion.
政治家の発言は公共の意見を煽る結果になった。
C1 adjective /ˈfræɡməntɪd/

fragmented

断片化, 分割, 不完全
Meaning
Having been broken into fragments; disjointed or incomplete.
Example
The information was fragmented and difficult to understand.
情報は断片化されていて、理解するのが難しかった。
C1 verb /ˈoʊvərˌhɔːl/

overhaul

完全な改修
Meaning
to examine thoroughly and repair or improve something that is worn or ineffective
Example
The company decided to overhaul its outdated computer system.
会社は古くなったコンピュータシステムのオーバーホールを決定した。
C1 noun /wʊd ˈæp.əl/

Wood Apple

ウッドアップル
Meaning
a hard-shelled tropical fruit with aromatic pulp used in beverages and medicine
Example
The wood apple has a hard shell but sweet pulp inside.
ウッドアップルは硬い殻を持っていますが、内部には甘い果肉があります
C1 noun /mɪˈrɑːʒ/

Mirage

蜃気楼
Meaning
An optical illusion caused by atmospheric conditions, especially in deserts
Example
The travelers saw a mirage of water in the desert.
旅行者は砂漠で水の蜃気楼を見ました。
C1 noun /dɪˈmiːnər/

demeanor

態度
Meaning
a person's outward behavior or appearance
Example
Her calm demeanor impressed everyone at the meeting.
彼女の冷静な態度は会議で皆に感銘を与えました。
C1 noun /ˈklæmər/

clamor

騒音
Meaning
a loud and confused noise, especially of people shouting insistently
Example
The clamor of the protesting crowd filled the square.
抗議する群衆の騒音が広場を埋め尽くした。
C1 adjective /ˈbleɪmləs/

blameless

非の打ち所がない
Meaning
innocent of wrongdoing; not deserving blame
Example
She remained calm and blameless throughout the investigation.
彼女は調査中ずっと冷静で非の打ち所がなかった。
C1 adjective /ˈænsɪləri/

ancillary

補助的な
Meaning
providing necessary support to the main system or organization
Example
The company provides ancillary services to the healthcare industry.
その会社は医療業界に補助的なサービスを提供しています。
C1 adjective /ˌfɑːrˈfetʃt/

farfetched

ありそうもない、またはあり得ない
Meaning
unlikely to happen or be true; improbable
Example
His explanation for being late sounded farfetched.
彼の遅刻の説明は信じがたいものだった。
C1 noun ˈɛf.lu.ənt

effluent

排水または汚染された液体
Meaning
Liquid waste or sewage discharged into a river or the sea.
Example
Factory effluent contaminates nearby rivers and lakes.
工場の排水は近くの川や湖を汚染します。
C1 adjective /suːˈpɜːr.flu.əs/

superfluous

余分な
Meaning
Unnecessary, especially through being more than enough.
Example
His speech contained too many superfluous details.
彼のスピーチには、余分な詳細が多すぎた。
C1 noun /ˈkærət/

karat

カラット
Meaning
A unit for measuring the purity of gold, with 24 karats being pure gold.
Example
The ring was made of 18-karat gold.
その指輪は18カラットの金で作られていました。
C1 verb /skɒf/

scoff

嘲笑する
Meaning
to speak about something in a mocking or dismissive way
Example
He scoffed at the idea of moving abroad.
彼は海外に引っ越すというアイデアを嘲笑しました。
C1 noun /ɪmˈprɪzənmənt/

imprisonment

投獄
Meaning
the act of putting someone in prison; the state of being confined as punishment
Example
He faced imprisonment for violating the court order.
彼は裁判所の命令に違反して投獄に直面した。
C1 verb /skʌlpt/

sculpt

幸せ
Meaning
to create or shape something by carving or molding
Example
The artist sculpted a beautiful statue from marble.
彼女は賞を受け取ったとき、自分の幸せを隠せなかった。
C1 noun ænˈtɪk.wə.ti

antiquity

古代
Meaning
The ancient past, especially the period of classical and other human civilizations before the Middle Ages.
Example
The ruins are a reminder of the city's antiquity.
遺跡はその都市の古代を思い出させるものです。
C1 adjective /dɪˈsɪd.ju.əs/

deciduous

落葉樹
Meaning
Referring to trees that shed their leaves seasonally, typically in autumn.
Example
Oak and maple trees are deciduous, shedding leaves in autumn.
オークとカエデの木は落葉樹で、秋に葉を落とします。
C1 adjective /ˈfrɪdʒɪd/

Frigid

凍てつく; 寒い
Meaning
extremely cold; freezing; icy
Example
The frigid weather made it difficult to go outside.
冷たい天気で外に出るのが難しかった。
C1 noun /əˈtrɑːsəti/

atrocity

残虐行為
Meaning
an extremely cruel or violent act, often involving physical violence
Example
The world condemned the atrocity committed against civilians.
世界は市民に対して行われた残虐行為を非難しました。
C1 verb /bɒtʃ/

botch

失敗する
Meaning
to carry out a task badly or carelessly
Example
He completely botched the repair job.
彼は修理の仕事を完全に失敗させた。
C1 noun proʊˈæktɪv ˈseɪvɪŋ

proactive saving

積極的貯蓄
Meaning
Actively planning and setting aside money in advance to prepare for future financial needs
Example
Proactive saving ensures financial stability in old age.
プロアクティブセービングは老後の財政的安定を確保します。
C1 adjective /ʌnˈspiːkəbl/

unspeakable

言葉では表現できない
Meaning
too bad or shocking to be expressed in words
Example
The survivors endured unspeakable horrors during the war.
生存者は戦争中に言葉では表現できない恐怖に耐えました。
C1 noun /dɪˈspɜːrʒən/

dispersion

分散
Meaning
The action or process of distributing things or people over a wide area.
Example
The dispersion of seeds by the wind helps plants reproduce.
風による種子の散布は、植物の繁殖を助けます。
C1 adjective /ˈnɔːʃəs/

nauseous

吐き気を感じる
Meaning
feeling like you are about to vomit; causing a feeling of sickness
Example
The smell of rotten food made her feel nauseous.
腐った食べ物の匂いが彼女に吐き気を感じさせた。
C1 adjective /ɪkˈsplɔɪtətɪv/

exploitative

搾取的な
Meaning
making use of a situation or people unfairly and unethically for one's own advantage
Example
The workers protested against the exploitative practices of the factory.
労働者たちは工場の搾取的な行動に抗議した。
C1 adjective /səkˈsɪŋkt/

succinct

簡潔
Meaning
Briefly and clearly expressed; characterized by clear, precise expression in few words.
Example
His speech was succinct and impactful.
彼のスピーチは簡潔で印象的でした。
C1 verb ɪˈmɜːrs

immerse

浸る
Meaning
To involve oneself deeply in a particular activity or interest; to surround completely.
Example
Immerse yourself in the new language.
新しい言語に浸ってください。
C1 noun /dɪˈvɪnɪti/

divinity

神性
Meaning
The quality or state of being divine; a deity.
Example
The priest spoke about the divinity of the soul.
神父は魂の神性について話しました。
C1 verb /ˈpætər/

patter

繰り返される軽いタップ音を立てる / 機械的に素早く話す
Meaning
to make a repeated light tapping sound; to talk quickly in a rehearsed or mechanical way
Example
Rain pattered softly on the window.
雨は窓に静かにパタパタと音を立てていた。
C1 verb /ˈtɒpl/

topple

倒れる
Meaning
to fall or cause to fall over; to overthrow
Example
The earthquake caused the old building to topple.
地震で古い建物が倒れた。
C1 noun /luː/

lieu

代わりに
Meaning
Instead of; in place of.
Example
He gave money in lieu of flowers.
彼は花の代わりにお金を渡した。
C1 verb /ˈræn.də.maɪz/

randomize

ランダム化する
Meaning
To make something happen in a random order or manner.
Example
The software can randomize the order of questions.
ソフトウェアは質問の順番をランダマイズできます。
C1 adjective /ˈsæljʊˌtɛri/

salutary

有益な
Meaning
Producing good effects; beneficial, especially after something unpleasant.
Example
The accident was a salutary reminder to drive carefully.
その事故は、慎重に運転することを思い出させる有益な教訓でした。
C1 adjective /ʌnˈkleɪmd/

Unclaimed

未請求; 未要求; 捨てられたまたは所有者なし
Meaning
not claimed by anyone; not demanded or requested; abandoned or ownerless
Example
The unclaimed luggage was stored in the airport's lost property department.
未請求の荷物は空港の遺失物係に保管されました。
C1 adjective /ˈræb.ɪd/

rabid

狂信的
Meaning
Having extreme or fanatical support for something; relating to or suffering from rabies.
Example
He was a rabid fan of the football team.
彼はサッカーチームの狂信的なファンだった。
C1 adjective /ˌruː.dɪˈmen.tər.i/

Rudimentary

基本的な; 初歩的な; 未発達な; 発展の初期段階にある
Meaning
basic; elementary; undeveloped; in the earliest stage of development
Example
She has only rudimentary knowledge of French.
彼女はフランス語についての初歩的な知識しか持っていません。
C1 adjective ˈflʌd proʊn

flood-prone

洪水に見舞われやすい
Meaning
Susceptible to flooding; likely to experience floods frequently.
Example
Bangladesh is a flood-prone deltaic nation.
バングラデシュは洪水が発生しやすいデルタ国家です。
C1 noun /ˈoʊvərˌtʊr/

overture

序曲 / 提案
Meaning
An introduction to something more substantial; a proposal or preliminary action.
Example
The peace overture was welcomed by both nations.
平和提案は両国によって歓迎されました。
C1 verb /sɪˈdjuːs/

seduce

Meaning
to attract someone into doing something, especially something they might not normally do
Example
The advertisement was designed to seduce customers into buying luxury products.
C1 verb /ˈɡɑːbəl/

gobble

ガツガツ食べる
Meaning
to eat something quickly and greedily
Example
The children gobbled their food in minutes.
子供たちは数分で食べ物をガツガツ食べました。
C1 noun /rɪˈmɪʃən/

remission

Meaning
A temporary or permanent decrease or disappearance of disease symptoms; forgiveness of sins or debts.
Example
The patient’s cancer is in remission after the treatment.
C1 adjective /ˈɡruːəlɪŋ/

grueling

過酷な
Meaning
Extremely tiring and demanding.
Example
The athletes faced a grueling training session.
アスリートたちは過酷なトレーニングセッションに直面しました。
C1 verb /ˈʃækəl/

shackle

足かせ
Meaning
to chain or restrain; to restrict someone’s actions or freedom
Example
Outdated regulations shackle small businesses and slow innovation.
古い規制は小規模なビジネスを足かせし、革新を遅らせます。
C1 noun /ɪnˈsɜːrdʒənt/

insurgent

反乱者
Meaning
A person who rises in revolt against authority or government.
Example
The army arrested several insurgents after the attack.
軍隊は攻撃後、数人の反乱者を逮捕した。
C1 noun /ˈkroʊ.bɑːr/

Crowbar

バール
Meaning
a heavy iron bar with a curved end used as a lever for prying things apart
Example
He used a crowbar to remove the old nails.
彼は古い釘を取り除くためにクローバーを使いました。
C1 noun /ˈpærəˌlɛlɪzəm/

parallelism

平行主義
Meaning
The state of being parallel or similar; in literature, the use of components in a sentence that are grammatically the same or similar in construction.
Example
The writer used parallelism to give rhythm to his prose.
作家は自分の文章にリズムを与えるために平行主義を使用しました。
C1 adjective /ˈsɛn.sər.i/

sensory

感覚的
Meaning
Related to the five human senses (sight, hearing, taste, touch, smell).
Example
Sensory feedback enhances the VR experience.
感覚的フィードバックはVR体験を強化します。
C1 verb /ˈwɒloʊ/

wallow

ゴロゴロする, ふける
Meaning
to roll about or indulge oneself in something excessively
Example
The buffalo likes to wallow in the mud on hot days.
バッファローは暑い日には泥の中でゴロゴロするのが好きです。
C1 noun /ˈpɜːrkəleɪtər/

percolator

コーヒーパーコレーター
Meaning
A device used for brewing coffee by continually cycling boiling water through coffee grounds.
Example
She made a fresh pot of coffee using the percolator.
彼女はパーコレーターを使って新しいコーヒーを作りました。
C1 noun /ˈlɪbərəlɪzəm/

liberalism

リベラリズム
Meaning
a political and social philosophy advocating individual freedoms, democracy, and equality
Example
Liberalism emphasizes freedom of speech and human rights.
リベラリズムは言論の自由と人権を強調します。
C1 adjective /ˌhɑːrdˈhɑːrtɪd/

hard-hearted

冷徹
Meaning
showing no kindness or sympathy; cruel
Example
The landlord was hard-hearted and refused to help the poor family.
家主は冷徹で、貧しい家族を助けることを拒否しました。
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 /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 /ˈpændər/

pander

おべっかを使う, ごますりする
Meaning
to indulge or exploit the weaknesses, desires, or immoral tendencies of others
Example
The politician was accused of pandering to voters' fears.
その政治家は有権者の恐怖におもねっていると非難された。
C1 verb /ˈlaɪ.kən/

liken

例える
Meaning
to compare one thing to another, often in a figurative way
Example
He likened her voice to sweet music.
彼は彼女の声を甘い音楽に例えました。
C1 noun /ˈtɛnər/

tenor

テノール / 一般的なトーン
Meaning
the general meaning, drift, or character of something; a male singing voice between baritone and alto
Example
The overall tenor of his speech was hopeful and reassuring.
彼のスピーチの全体的なトーンは希望に満ち、安心感を与えるものでした。
C1 adjective /dɪˈmɪnjətɪv/

diminutive

非常に小さい
Meaning
extremely or unusually small
Example
Despite his diminutive size, he was a powerful leader.
その非常に小さい体格にもかかわらず、彼は強力なリーダーだった。
C1 verb /ˌoʊvərˈruːl/

overrule

却下する
Meaning
to reject or disallow by exercising one's superior authority; to override a decision
Example
The judge overruled the objection from the defense attorney.
裁判官は弁護側の異議を却下した。
C1 noun /mɪkst ɪˈkɒn.ə.mi/

mixed economy

混合経済
Meaning
An economic system where both government and private sector operate together.
Example
Most countries today follow a mixed economy model.
現在、ほとんどの国が混合経済モデルを採用しています。
C1 adjective ˈek.wɪ.tə.bəl

equitable

公平な
Meaning
Fair and impartial
Example
Equitable AI ensures fairness in technology use.
公平なAIはテクノロジーの使用において公平を保証します。
C1 adjective /ɪnˈdjʊər.ə.bəl/

Endurable

耐えられる
Meaning
able to be endured; bearable; tolerable
Example
The pain was endurable with proper medication.
適切な薬で痛みは耐えられました。
C1 verb /ɪnˈθjuːz/

enthuse

興奮させる
Meaning
to express excitement or admiration
Example
She enthused about her trip to Italy.
彼女はイタリア旅行について興奮して話していました。
C1 noun /dɪˌnʌnsiˈeɪʃən/

denunciation

非難 / 公共の告発
Meaning
the public condemnation or accusation of someone or something
Example
The journalist's article was a strong denunciation of corruption.
ジャーナリストの記事は腐敗に対する強い非難でした。
C1 adjective /frəˈtɜːrnəl/

fraternal

Meaning
Relating to brothers or brotherhood; friendly and supportive.
Example
The two nations maintain a fraternal relationship.
C1 noun /pɒmp/

pomp

壮大, 豪華
Meaning
ceremonial display or splendor; grandeur
Example
The graduation ceremony was full of pomp and circumstance.
卒業式は壮大で豪華でした。
C1 adverb /ˌðɛərˈʌv/

Thereof

それによって
Meaning
of that; from that
Example
The contract and all amendments thereof must be signed.
契約とそのすべての修正はそれによって署名される必要があります。
C1 noun (plural of fungus) /ˈfʌndʒaɪ/

fungi

菌類
Meaning
a group of spore-producing organisms such as mushrooms, molds, and yeasts
Example
Fungi play an important role in breaking down organic matter in nature.
菌類は自然界で有機物を分解する重要な役割を果たします。
C1 noun /huːf/

Hoof

ひづめ
Meaning
the hard part covering the foot of horses, cattle, sheep, and other animals
Example
The horse's hoof was injured after stepping on a sharp rock.
馬のひづめは鋭い岩に踏んだ後、けがをしました。
C1 adjective /seɪdʒ/

Sage

賢明な; 判断力のある; 経験豊かな
Meaning
wise; showing wisdom from experience; prudent; having good judgment
Example
The sage advice from the elder helped solve the problem.
長老の賢明な助言が問題を解決するのに役立った。
C1 noun /ˈspɪnstər/

spinster

未婚女性
Meaning
An unmarried woman, often one who is older and considered unlikely to marry
Example
The novel featured a kind-hearted spinster who cared for the village children.
その小説には、村の子供たちの世話をしていた心優しい未婚女性が登場した。
C1 noun /ˈkɑːrkəs/

carcass

動物の死体
Meaning
the dead body of an animal, especially after being slaughtered
Example
Vultures fed on the carcass left in the field.
ハゲワシは野原に残された死体を食べていた。
C1 adjective /ˈæv.ɪd/

avid

熱心な
Meaning
having an eager desire or enthusiasm for something
Example
She is an avid reader of mystery novels.
彼女はミステリー小説の熱心な読者です。
C1 adjective /ˈneɪzl/

nasal

鼻音の
Meaning
Relating to the nose; a sound produced through the nose.
Example
He spoke with a nasal voice due to his cold.
風邪で彼は鼻声で話した。
C1 verb /aʊst/

oust

追放する
Meaning
To remove someone from a position or place of power or authority.
Example
The rebels ousted the dictator from power.
反乱者は独裁者を権力から追い出しました。
C1 verb /ˈdæmpən/

dampen

湿らせる, 和らげる
Meaning
to make something slightly wet; to make something less strong, active, or intense
Example
The rain dampened the excitement of the outdoor concert.
雨が屋外コンサートの興奮を和らげました。
C1 noun /speɪt/

spate

Meaning
a large number of things occurring in quick succession
Example
There has been a spate of robberies in the city.
市内で盗難が立て続けに発生しています。
C1 noun /ɡruːv/

groove

溝 / リズム
Meaning
a long narrow cut or depression, or a rhythmic pattern in music
Example
The DJ kept the crowd dancing to the groove.
DJは群衆をグルーヴに合わせて踊らせた。
C1 noun /kəˈnʌn.drəm/

conundrum

複雑な問題やパズル
Meaning
A complex problem or puzzle without an easy solution
Example
The ethical conundrum puzzled the researchers.
倫理的なジレンマは研究者たちを困惑させた。
C1 noun /ˈpɒpjʊlɪst/

populist

ポピュリストのリーダー
Meaning
A politician or person who seeks to appeal to ordinary people who feel their concerns are ignored by elites.
Example
The populist leader promised to put the needs of common citizens first.
ポピュリストのリーダーは、一般市民のニーズを最優先すると約束しました。
C1 noun /ˌsɛlf ɪnˈdʌldʒəns/

self-indulgence

自己 indulgence
Meaning
The act of allowing oneself to enjoy pleasures or desires excessively.
Example
His weekend of self-indulgence included eating sweets and watching movies nonstop.
彼の自己満足の週末は、甘いものを食べて映画を見続けることが含まれていました。
C1 verb /ˈlɛvi/

levy

課税する
Meaning
To impose or collect, especially a tax or fine.
Example
The government decided to levy a new tax on luxury goods.
政府は高級品に新しい税金を課すことに決めました。
C1 noun /ˈmælɪs/

Malice

悪意; 憎しみ; 敵意;
Meaning
The intention or desire to do evil; ill will
Example
There was no malice in his criticism, just honest feedback.
彼の批評には悪意はなかった、ただの正直なフィードバックだった。
C1 noun /ˈdʒɛntri/

gentry

上流社会
Meaning
People of good social position, usually of high birth or wealthy landowners
Example
The gentry of the town gathered for the annual ball.
町の上流社会の人々は年次の舞踏会に集まりました。
C1 noun /ˌnjʊə.roʊ.plæˈstɪs.ɪ.ti/

neuroplasticity

神経可塑性
Meaning
The brain's ability to reorganize itself by forming new neural connections throughout life.
Example
Neuroplasticity allows the brain to rewire itself after an injury.
ニューロプラスティシティは、脳が怪我の後で再配線できるようにします。
C1 adjective /ˈpiːvɪʃ/

peevish

気難しい
Meaning
Easily irritated, especially by unimportant things.
Example
The child grew peevish when denied candy.
子供はキャンディをもらえなかったので、怒りっぽくなりました。
C1 noun /ˌpærəfəˈneɪliə/

paraphernalia

道具一式
Meaning
Miscellaneous articles, especially equipment needed for a particular activity.
Example
The fisherman carried all his fishing paraphernalia in a large box.
漁師はすべての釣り道具を大きな箱に入れて運びました。
C1 noun ˈmaɪ.krəʊˌnjuː.tri.ənt

micronutrient

微量栄養素
Meaning
Essential nutrients required by the body in small amounts, including vitamins and minerals.
Example
Iron and zinc are essential micronutrients for growth.
鉄分と亜鉛は成長に必要な微量栄養素です。
C1 noun /ˌpɜːsəˈnælɪzeɪʃən/

personalization

パーソナライゼーション, カスタマイズ
Meaning
The action of making something personal or individual; customization.
Example
Personalization in marketing improves customer engagement.
マーケティングにおけるパーソナライゼーションは顧客のエンゲージメントを向上させます。
C1 verb bɪˈkwiːð

bequeath

遺贈する
Meaning
Leave something to someone in a will; pass down or hand down to the next generation.
Example
The scientist bequeathed his research papers to the university.
科学者は彼の研究論文を大学に遺贈した。
C1 noun/verb /ˈhɛrəld/

herald

先駆者
Meaning
A person or thing that announces or signals the approach of something; to announce or signal.
Example
The blooming flowers herald the arrival of spring.
咲いた花々は春の到来を告げます。
C1 noun/adjective /ˈstɜː.lɪŋ/

sterling

英国通貨 / 優れた
Meaning
British money, especially pounds; of excellent quality.
Example
She was praised for her sterling work on the project.
プロジェクトでの優れた仕事が称賛されました。
C1 verb /ˈprɒpəɡeɪt/

propagate

Meaning
To spread or transmit an idea, belief, or information widely; also to reproduce in plants or animals.
Example
Scientists work to propagate the species in captivity.
C1 noun ˈrɔɪəl ˈbɛŋɡəl ˈtaɪɡər

Royal Bengal Tiger

ロイヤルベンガルタイガー
Meaning
A subspecies of tiger found primarily in India and Bangladesh, known for its distinctive orange coat with black stripes.
Example
The Royal Bengal Tiger is an iconic species of the Sundarbans.
ロイヤルベンガルタイガーはスンダルバンスの象徴的な種です。
C1 noun /ˈæltoʊ/

alto

アルト (成人の歌声)
Meaning
the second highest adult singing voice, between soprano and tenor
Example
She sang the alto part in the choir beautifully.
彼女は合唱団でアルトパートを美しく歌いました。
C1 verb /ˈlɪŋɡər/

linger

必要以上に長く留まる
Meaning
to stay in a place longer than necessary; to persist
Example
The smell of coffee lingered in the kitchen.
コーヒーの香りがキッチンに長く残った。
C1 verb /ˈstriːm.laɪn/

streamline

効率化または効率を高める
Meaning
To make a process simpler and more efficient.
Example
The company aims to streamline production to reduce costs.
会社はコスト削減のために生産の効率化を目指しています。
C1 adjective /hɜːrˈbɪv.ər.əs/

Herbivorous

草食性
Meaning
feeding on plants; plant-eating
Example
Cows are herbivorous animals that graze on grass.
牛は草食性の動物で、草を食べる。
C1 adjective /ˈraɪtfəl/

rightful

正当な
Meaning
having a legitimate or just claim; proper or lawful
Example
She is the rightful owner of the property.
彼女はその財産の正当な所有者です。
C1 adjective /ˌjuːnɪˈsɛljʊlər/

unicellular

単細胞
Meaning
Consisting of a single cell.
Example
Amoebas are unicellular organisms.
アメーバは単細胞生物です。
C1 noun /ˈspiːʃiː/

specie

硬貨
Meaning
money in the form of coins rather than notes or credit
Example
The transaction was made in specie.
取引は硬貨で行われました。
C1 noun /ˌɪnkjʊˈbeɪʃən/

incubation

卵、細胞、または生物を適切な条件で発展させるプロセス
Meaning
the process of keeping eggs, cells, or organisms in the right conditions for development
Example
The incubation of the eggs lasted for three weeks.
卵のインキュベーションは三週間続きました。
C1 adjective rɪˈsɛʃ.ən.er.i

recessionary

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

propagation

普及, 宣伝
Meaning
The action of spreading and promoting an idea, theory, etc.
Example
The propagation of ideas through social media is rapid.
ソーシャルメディアを通じてアイデアの普及が急速に進んでいます。
C1 noun /ˈhaɪndsaɪt/

hindsight

後知恵
Meaning
Understanding of a situation only after it has happened.
Example
With the benefit of hindsight, we realized the decision was a mistake.
後知恵で、私たちはその決断が間違いだったことに気づきました。
C1 noun /ˈtruː.ənt/

Truant

無断で学校を休む生徒; 責任を回避する人
Meaning
a student who stays away from school without permission; a person who shirks duty
Example
The principal called the parents when their child was caught playing truant.
校長は、子供が学校をさぼっているのを見つけたとき、親に電話をかけました。
C1 adjective /ˈdjuːbiəs/

dubious

疑わしい
Meaning
Hesitating or doubting; not to be relied upon.
Example
She gave him a dubious look after hearing his excuse.
彼女は彼の言い訳を聞いた後、疑わしい目で彼を見ました。
C1 verb, noun /ɡɔːrdʒ/

gorge

貪欲に食べる / 山間の狭い谷
Meaning
to eat greedily; a narrow valley between mountains or hills
Example
They gorged themselves on pizza after the hike.
ハイキング後に彼らはピザをむさぼり食べました。
C1 verb /dɪˈstɪl/

distill

Meaning
To purify a liquid by heating and cooling; to extract the essential meaning or most important aspects.
Example
The factory distills water to make it safe for drinking.
C1 noun /ˈtiːdiəm/

tedium

退屈
Meaning
the state of being tedious; monotony or boredom
Example
The tedium of long meetings often drains motivation.
長時間の会議の退屈さはしばしばモチベーションを奪います。
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。
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 adjective /kəmˈplɪsɪt/

complicit

共犯者 (犯罪で)
Meaning
involved with others in an illegal activity or wrongdoing
Example
He was found complicit in the crime.
彼は犯罪で共犯者として見つかりました。
C1 adjective /spɑːrs/

sparse

まばら
Meaning
thinly scattered or distributed; not dense or abundant
Example
Vegetation was sparse in the desert.
砂漠では植生がまばらだった。
C1 adjective /pæˈseɪ/

passe

時代遅れの; 流行遅れ
Meaning
no longer fashionable or current; out of date
Example
Some trends from last decade feel utterly passé now.
昨今のトレンドのいくつかは今や完全に時代遅れに見える。