involve
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B1 verb /ɪnˈvɑːlv/

involve

関与する
Meaning
to include as a necessary part, or to engage someone in an activity
Example
The project will involve several departments working together.
このプロジェクトは、いくつかの部署が一緒に働くことを含むでしょう。
A2 adjective /maɪld/

mild

穏やか
Meaning
not severe or strong; gentle in nature
Example
The patient had only mild symptoms.
患者には軽い症状だけがありました。
A2 adverb /ˌɛniˈmɔr/

anymore

もう〜ない
Meaning
used to refer to the present time, typically to mean no longer
Example
He doesn’t live here anymore.
彼はもうここに住んでいません。
A1 verb /kɔːst/

cost

費用
Meaning
to have a price of; to require payment; to cause loss
Example
This book will cost twenty dollars.
この本は二十ドルかかります。
C2 noun /ˈɡraɪndstoʊn/

grindstone

砥石
Meaning
a thick disc of stone used for grinding, sharpening, or polishing tools
Example
The blacksmith sharpened his blade on the grindstone.
鍛冶屋はグラインドストーンで刃を研いだ。
B2 noun /rɪˈmaɪndər/

reminder

リマインダー
Meaning
something that helps you remember a fact, event, or action that you need to do or recall
Example
He set a reminder to call his mother on her birthday.
彼は母親の誕生日に電話するためにリマインダーを設定しました。
A1 verb /noʊ/

know

知る
Meaning
to have information about something; to be familiar with
Example
I know the answer to this question.
私はこの質問の答えを知っています。
A2 verb /mætʃ/

match

一致する
Meaning
to be equal to something; to find something that corresponds to another
Example
The colors of her dress match perfectly with her shoes.
彼女のドレスの色は彼女の靴と完璧にマッチしています。
B2 noun /ˈɜːθ.wɜːm/

Earth-worm

ミミズ
Meaning
a segmented worm that lives in soil and helps decompose organic matter
Example
The gardener was happy to find many earthworms in the soil.
庭師は土壌でたくさんのミミズを見つけて喜んでいました。
C2 noun /ˌkɒməˈsɛəriət/

commissariat

供給部門
Meaning
A department responsible for supplying food and equipment, especially in the military.
Example
The army commissariat ensured that the soldiers had enough supplies.
軍隊の供給部門は、兵士たちが十分な物資を持っていることを確認した。
C2 noun /ɪˌluːmɪˈnɑːti/

illuminati

イルミナティ
Meaning
a group of people claiming to have special enlightenment or secret knowledge, often linked to conspiracies
Example
Many conspiracy theories involve the Illuminati as a secret world-controlling group.
多くの陰謀論はイルミナティを世界を支配する秘密のグループとして扱っている。
C2 noun /ˈmæl.kənˌtɛnt/

malcontent

不満な人
Meaning
A person who is dissatisfied or rebellious; one who is not content.
Example
The malcontent voiced his grievances against the government.
不満な人は政府に対して不平を述べました。
C1 noun /ˈpɑːrtʃmənt/

parchment

羊皮紙
Meaning
a thin material made from animal skin, used in the past for writing
Example
The ancient manuscript was written on parchment.
古代の写本は羊皮紙に書かれていました。
B1 noun /ˈɔr.ə.ʒɪn/

Origin

起源
Meaning
the point or place where something begins, arises, or is derived; the source
Example
Scientists are studying the origin of the universe.
科学者たちは宇宙の起源を研究しています。
B1 noun /ɪkˈsep.ʃən/

Exception

例外
Meaning
a person or thing that is excluded from a general statement or does not follow a rule
Example
Most students passed the exam, with the exception of a few who were absent.
ほとんどの学生は試験に合格しましたが、例外的に数人の欠席者がいました。
B2 noun /əˈfɛns/

offense

犯罪
Meaning
an illegal act; a crime
Example
The offense was committed in broad daylight.
その罪は昼間に犯されました。
C1 verb /ɪnˈʃraɪn/

enshrine

何かを神聖または重要として保存または敬う
Meaning
to preserve or cherish something as sacred or important
Example
The constitution enshrines the right to freedom of speech.
憲法は言論の自由の権利を保護しています。
B2 noun /speɪd/

Spade

シャベル
Meaning
a tool with a flat blade for digging; a playing card suit
Example
The gardener used a spade to dig holes for planting flowers.
庭師は花を植えるために穴を掘るためにシャベルを使いました。
B1 adjective /ˈkriːmi/

creamy

クリームのような滑らかでリッチな質感
Meaning
having a smooth, rich texture like cream
Example
She poured a creamy sauce over the pasta.
彼女はパスタにクリーミーなソースをかけた。
C1 noun /ˈrʌp.tʃər/

Rupture

破裂; 関係の断絶
Meaning
breaking or bursting apart; breakdown of relations
Example
The rupture in the pipeline caused a massive oil spill.
パイプラインの破裂が大規模な石油漏れを引き起こしました。
C2 adjective /ˌʌnɪkˈsɛpʃənəbl/

unexceptionable

非の打ち所がない
Meaning
Not open to objection; acceptable and unobjectionable
Example
His behavior was unexceptionable throughout the event.
彼の行動はイベント中ずっと非の打ち所がなかった。
C1 adjective /ˈsɒljʊbəl/

soluble

可溶性
Meaning
able to be dissolved, especially in water
Example
Sugar is soluble in water.
砂糖は水に溶けやすい。
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。
B2 noun /ˈpaɪ.rə.si/

Piracy

海賊行為
Meaning
the practice of attacking and robbing ships at sea; the unauthorized use or reproduction of copyrighted material
Example
Software piracy costs companies billions of dollars annually.
ソフトウェアの海賊行為は毎年企業に数十億ドルの損失をもたらします。
C1 noun /ˌmiːdɪˈeɪʃən/

mediation

仲裁
Meaning
Intervention between parties to promote reconciliation, settlement, or compromise.
Example
The mediation helped resolve the conflict between the two teams.
その仲裁は二つのチーム間の対立を解決するのに役立ちました。
A2 noun /mɛs/

mess

混乱
Meaning
A state of disorder or untidiness.
Example
The kids left the room in a complete mess.
子供たちは部屋を完全に混乱させました。
C2 noun /ɪˌkwɪvəˈkeɪʃən/

equivocation

あいまいな言葉の使用
Meaning
The use of ambiguous language to conceal the truth or to avoid committing oneself.
Example
The politician’s equivocation frustrated voters who wanted a clear answer.
政治家のあいまいな言葉は、明確な答えを求めていた有権者を失望させた。
B1 noun; gerund /ˈnɪtɪŋ/

knitting

編み物
Meaning
the craft or activity of making fabric by interlocking loops of yarn with needles; the act of forming something closely or firmly together
Example
She spends her evenings knitting scarves for her family.
彼女は家族のために夜に編み物をします。
A2 noun /ˈtʃælɪndʒɪz/

challenges

挑戦
Meaning
Difficult tasks or situations that test someone's abilities or resources.
Example
Overcoming challenges is the key to personal growth.
挑戦を乗り越えることは、個人的な成長の鍵です。
B1 noun /ˌbækˈjɑːrd/

backyard

幸せ
Meaning
an area of land behind a house, typically used for recreation or gardening
Example
The children played football in the backyard.
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。
C1 verb /ʃɪə/

shear

刈る
Meaning
to cut the wool off a sheep or to cut something with sharp tools like scissors or shears
Example
The farmer will shear the sheep in the spring.
農夫は春に羊の毛を刈ります。
A2 pronoun /huːm/

whom

誰に
Meaning
used to refer to the person or people that something is done to
Example
The man whom I met yesterday is my friend.
昨日会ったその男性は私の友達です。
C1 noun ˈtær.ɪf

tariff

関税または輸出入税
Meaning
A tax or duty to be paid on a particular class of imports or exports.
Example
The government imposed high tariffs on luxury goods.
政府は高級品に高い関税を課しました。
C2 verb /ˈsɪmpər/

simper

不自然に笑う
Meaning
to smile in a silly, self-conscious, or affected way
Example
She simpered at his compliment, clearly embarrassed.
彼女は彼の褒め言葉に不自然に笑い、明らかに恥ずかしそうだった。
C2 noun /ˌpriːdɪˈlɛkʃən/

predilection

嗜好
Meaning
A strong liking or preference for something.
Example
She has a predilection for classical music.
彼女はクラシック音楽に対する好みがあります。
B2 noun ˈmaɪl.stəʊn

milestone

マイルストーン
Meaning
An important event or stage in the development, progress, or history of something.
Example
This discovery is a milestone in biotechnology.
この発見はバイオテクノロジーにおける重要なマイルストーンです。
C1 verb /ˈduːdəl/

doodle

Meaning
To draw or scribble absentmindedly, often while thinking about something else.
Example
She doodled flowers in the corner of her notebook during class.
C2 noun /strəˈmoʊ.ni.əm ˌflaʊ.ər/

Stramonium flower

ジムソンウィードの花
Meaning
A trumpet-shaped white or purple flower from the jimsonweed plant, known for its toxic properties
Example
The stramonium flower blooms at night with a sweet fragrance.
ジムソンウィードの花は夜に咲き、甘い香りを放ちます。
B2 noun /kəmˈpæʃ.ən/

Compassion

思いやり
Meaning
sympathetic concern for the sufferings or misfortunes of others; deep awareness of suffering with a desire to help
Example
She showed great compassion towards the homeless children by providing them food and shelter.
彼女はホームレスの子供たちに食べ物と避難所を提供することで大きな思いやりを示しました。
B2 verb /prɪˈzjuːm/

presume

仮定する
Meaning
To suppose something is true without proof; to take for granted.
Example
I presume she has already left for the meeting.
私は彼女がすでに会議に出かけたと思います。
B2 verb /ˈdɛvəˌsteɪt/

devastate

荒廃させる
Meaning
to cause severe and overwhelming destruction or damage
Example
The hurricane devastated the coastal town.
ハリケーンは沿岸の町を荒廃させた。
C2 noun /ˈɡʊrmənd/

gourmand

美食家
Meaning
A person who enjoys eating a lot or has a great appetite for food.
Example
As a true gourmand, he never missed an opportunity to try new dishes.
本物の美食家として、彼は新しい料理を試す機会を決して見逃しませんでした。
C1 noun /ˈmɪʃ.ən.ɛr.i/

Missionary

宣教師
Meaning
A person sent on a religious mission to promote their faith in a foreign country
Example
The missionary spent years teaching and helping people in remote villages.
宣教師は遠隔地の村で何年も人々に教え、助けてきました。
C2 adjective /ˈvjuː.ləs/

Viewless

見えない; 意見なし
Meaning
invisible; having no views or opinions
Example
The ghost remained viewless to most people in the haunted house.
幽霊はお化け屋敷のほとんどの人々には見えませんでした。
C1 noun /ˈvɔːrtɛks/

vortex

渦巻き
Meaning
A mass of whirling fluid or air, especially a whirlpool or whirlwind.
Example
The plane was caught in a dangerous vortex of air.
飛行機は危険な空気の渦巻きに巻き込まれました。
B1 noun ɪˈkwɒl.ə.ti

equality

平等
Meaning
The state of being equal, especially in status, rights, and opportunities.
Example
Equality in education is a key goal.
教育における平等は重要な目標です。
C1 noun /kəˈlaɪdəˌskoʊp/

kaleidoscope

万華鏡
Meaning
A toy or instrument with mirrors and colored pieces that create changing patterns when rotated; also used metaphorically for a constantly changing sequence of patterns or elements.
Example
The city lights turned into a kaleidoscope of colors as the festival began.
祭りが始まると、街の明かりは色とりどりの万華鏡に変わった。
B2 adjective /ˌɛm.pəˈθɛ.tɪk/

empathetic

共感的
Meaning
Showing ability to understand and share feelings of others.
Example
She was empathetic towards her friend's struggles.
彼女は友人の苦しみに共感的でした。
B1 adjective /def/

Deaf

耳が聞こえない; 聴覚障害がある
Meaning
unable to hear; having a hearing impairment
Example
The deaf child learned to communicate using sign language.
そのろうの子供は手話を使ってコミュニケーションを学びました。
A1 preposition /ɒn/

on

Meaning
physically in contact with and supported by a surface
Example
The book is on the table.
本はテーブルの上にあります。
C2 noun /ˈræp.aɪn/

rapine

略奪
Meaning
the violent seizure of someone's property
Example
The war was marked by rapine and destruction.
戦争は略奪と破壊で特徴づけられていた。
C1 noun /səˈbraɪəti/

sobriety

節制
Meaning
the state of being sober; self-restraint and seriousness
Example
He has maintained his sobriety for five years.
彼は5年間その節制を保っています。
A2 abbreviation (noun/pronoun) /ˈsʌmθɪŋ/

sth.

何か
Meaning
abbreviation for 'something'
Example
Can you give me sth. to write with?
書くために何かをくれますか?
C2 adjective /ɪˈfʌldʒənt/

effulgent

輝かしい
Meaning
Shining brilliantly; radiant.
Example
Her effulgent smile brightened everyone's mood.
彼女の輝かしい笑顔は皆の気分を明るくした。
B2 adjective/noun /ˈmaɪ.nər/

minor

小さい / 未成年
Meaning
less important, serious, or significant; a person under the legal age
Example
Luckily, the accident caused only minor injuries.
幸運にも、事故は軽いけがだけを引き起こしました。
C1 noun /dɪˈpɑːzətɔːri/

depository

預け場所, 保管所
Meaning
a place where things are stored or deposited, especially financial assets
Example
The national depository safeguards all government bonds.
国家のデポジトリはすべての政府債券を保護しています。
C2 noun /ˈbiːtənd raɪs/

Beatened rice

ビート米
Meaning
flattened rice; rice that has been parboiled, dried, and beaten into flat flakes
Example
Beaten rice is commonly eaten with milk and sugar for breakfast.
ビート米は通常、朝食で牛乳と砂糖と一緒に食べられます。
B2 noun /ˈɪɡ.nər.əns/

Ignorance

無知
Meaning
lack of knowledge or information; the state of being uninformed about something
Example
His ignorance about basic computer skills made it difficult for him to find a job.
基本的なコンピュータースキルに関する彼の無知は、彼が仕事を見つけるのを難しくしました。
C2 noun /ˈsɜːrfɪt/

surfeit

過剰
Meaning
an excessive amount of something
Example
There was a surfeit of food at the festival.
祭りでは食べ物が過剰にあった。
C2 adjective /ˈɡɑːrbəld/

garbled

乱れた
Meaning
Describes speech or text that is distorted or unclear.
Example
The radio broadcast was full of garbled messages.
ラジオ放送にはガーブルドメッセージが満載でした。
B2 adjective /ˈdred.fəl/

Dreadful

恐ろしい; 恐怖を引き起こす; 恐ろしい
Meaning
extremely bad or unpleasant; causing fear or suffering; terrible
Example
The weather was dreadful during our vacation.
私たちの休暇中、天気は恐ろしかった。
C2 adjective /ɪmˈpræktɪkəbl/

impracticable

実行不可能
Meaning
Not capable of being carried out or put into practice.
Example
The plan seemed impracticable due to limited resources.
資源が限られていたため、計画は実行不可能に見えました。
C2 adjective /ˈklɛmənt/

clement

温和な / 慈悲深い
Meaning
mild or merciful; describing weather as mild and pleasant
Example
The prisoners hoped for a clement judge.
囚人たちは温和な裁判官を望んでいた。
C1 verb /ˌaʊtˈstrɪp/

outstrip

凌駕する
Meaning
To go faster or do better than someone or something; to surpass.
Example
The company outstripped its competitors in sales last year.
その会社は昨年、販売で競合他社を上回った。
B2 adjective /ˌɑːrkɪˈtɛktʃərəl/

architectural

建築的な
Meaning
relating to the design and style of buildings and structures
Example
The city is known for its beautiful architectural designs.
その都市は美しい建築デザインで知られています。
B2 noun /ˈspəʊkswɪmən/

spokeswoman

広報女性
Meaning
a woman who speaks on behalf of a group or organization
Example
The spokeswoman for the company announced the new product.
その会社の広報女性は新製品を発表した。
C1 adjective /prəˈdɪdʒəs/

prodigious

驚異的
Meaning
remarkably or impressively great in extent, size, or degree
Example
The team made a prodigious effort to complete the project on time.
チームはプロジェクトを時間通りに完了するために驚異的な努力をしました。
C2 verb /ˈæd.l̩/

addle

混乱させる
Meaning
To confuse or muddle someone’s mind.
Example
The complicated instructions only served to addle him.
複雑な指示は彼を混乱させるだけでした。
C1 noun /rɪft/

rift

亀裂
Meaning
a serious break in a relationship; a split or crack
Example
A rift developed between the two friends after the argument.
議論の後、二人の友達の間に亀裂が生じた。
C2 noun /bəˈθɪm.ə.tri/

bathymetry

水深測定学
Meaning
The measurement of depth of water in oceans, seas, or lakes.
Example
Bathymetry is essential for understanding oceanic topography.
バチメトリーは海洋の地形を理解するために不可欠です。
C2 noun /meɪs/

mace

メイス / 王杖
Meaning
a ceremonial staff carried as a symbol of authority or a weapon similar to a club
Example
The guard carried a mace as a symbol of authority.
ガードは権威の象徴としてメイスを持っていた。
C2 adjective /ˈstɒlɪd/

stolid

冷静な、無表情な
Meaning
Calm, dependable, and showing little emotion or animation.
Example
Despite the chaos around him, he remained stolid and composed.
周りの混乱にもかかわらず、彼は冷静で落ち着いていました。
C1 verb /ˈpɛdəl/

peddle

売る
Meaning
To sell goods, often by going from place to place; sometimes used negatively to mean promoting an idea or product in a pushy way.
Example
Street vendors peddle handmade jewelry to tourists.
ストリートの販売員は観光客に手作りのジュエリーを売っている。
C1 noun /ˈmɔːr.ɡɪʤ/

Mortgage

住宅ローン
Meaning
a legal agreement by which a bank lends money to buy property
Example
They took out a mortgage to buy their first house.
彼らは最初の家を買うために住宅ローンを組みました。
C2 noun /ɒmˈnɪʃəns/

omniscience

全知
Meaning
the state of knowing everything
Example
The novel's narrator has an air of omniscience, revealing every character's thoughts.
小説の語り手は全知の空気をまとい、すべてのキャラクターの考えを明らかにしている。
C1 adjective /ˈreɡ.jʊ.lə.tər.i/

Regulatory

規制
Meaning
Having the power to control or govern something through rules and regulations.
Example
The government enforces regulatory policies for financial stability.
政府は金融安定性のために規制政策を実施しています。
A1 preposition /θruː/

through

通過
Meaning
moving in one side and out the other side of something
Example
The train passed through the tunnel.
列車はトンネルを通過しました。
C1 noun /ˈwɔːtəʃɛd/

watershed

分水嶺, 重要な転換点
Meaning
An event or period marking a turning point in a situation; also refers to a ridge dividing two drainage areas.
Example
The independence movement was a watershed in the nation's history.
独立運動は国の歴史の中で分水嶺となった。
C1 noun /ˈstaɪləs/

stylus

スタイラス
Meaning
a small tool used for writing, drawing, or touching screens
Example
She used a stylus to draw on her tablet.
彼女はタブレットで絵を描くためにスタイラスを使用しました。
C2 noun /ˌɪnkænˈteɪʃən/

incantation

呪文
Meaning
a series of words used as a magic spell or charm
Example
The wizard chanted an incantation to summon the spirits.
魔法使いは霊を呼び出すために呪文を唱えました。
A1 verb /ˈstʌdi/

study

勉強する
Meaning
to learn about something; to examine carefully; to research
Example
I study mathematics every evening.
私は毎晩数学を勉強します。
C1 /splɪnt/

splint

添木
Meaning
A rigid device used to support and immobilize a broken or injured body part.
Example
The doctor applied a splint to stabilize the patient's broken arm.
医者は患者の折れた腕を安定させるために添木を使いました。
B2 noun /ˈɪmɪɡrənt/

immigrant

移民
Meaning
a person who comes to live permanently in a foreign country
Example
The city has welcomed many new immigrants this year.
今年、市は多くの新しい移民を迎えました。
B2 noun /ˈɪdɪət/

idiot

バカ
Meaning
a person who acts in a way that is considered very stupid or foolish
Example
He acted like an idiot at the party last night.
彼は昨晩のパーティーでイディオットのように振る舞った。
C1 noun /ˈmiːknəs/

Meekness

謙遜
Meaning
The quality of being quiet, gentle, and submissive
Example
His meekness was often mistaken for weakness by his colleagues.
彼の謙遜はしばしば同僚に弱さだと誤解された。
C1 adjective /ˈkɔːʃənˌɛri/

cautionary

警告的な
Meaning
serving as a warning; intended to prevent problems or mistakes by giving advice or examples
Example
The report offers a cautionary message about unchecked spending.
その報告書は無計画な支出について警告的なメッセージを示している。
B1 noun ɪmˈplɔɪmənt

employment

雇用
Meaning
The condition of having paid work; the action of giving work to someone.
Example
Employment was limited to Urdu speakers.
雇用はウルドゥ語を話す人々に限定されていました。
C2 adjective /əˈkjuː.zəˌtɔːr.i/

accusatory

非難の
Meaning
Suggesting blame or indicating someone has done wrong.
Example
He gave her an accusatory glance.
彼は彼女に非難の目を向けた。
C1 verb /piːk/

pique

引き起こす
Meaning
to stimulate interest or curiosity; to arouse resentment or anger
Example
Her remarks piqued his curiosity about the secret project.
彼女のコメントは秘密のプロジェクトに対する彼の好奇心を引き起こしました。
B2 adjective /ˈles.ər/

Lesser

少ない
Meaning
smaller in amount; of lower importance; inferior
Example
He chose the lesser of two evils when making his decision.
彼は二つの悪の中で少ない方を選びました。
C1 adjective /ɪnˈfæləbl̩/

infallible

間違いない
Meaning
incapable of making mistakes or being wrong
Example
Her judgment seemed infallible in matters of finance.
彼女の判断は財務問題において間違いないように見えた。
B2 adjective /ˌmʌl.tiˈpɜː.pəs/

Multipurpose

多目的
Meaning
having multiple uses or functions; versatile
Example
This multipurpose tool can be used as a knife, screwdriver, and bottle opener.
この多目的ツールは、ナイフ、ドライバー、ボトルオープナーとして使用できます。
C1 noun /ˈheɪl.stɔːrm/

Hailstorm

ひょうの嵐
Meaning
a violent storm with hail falling from the sky
Example
The hailstorm damaged many cars in the parking lot.
ヘイルストームは駐車場の多くの車に損害を与えました。
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。
C1 adjective /dɪsˈhɑːrtənd/

Disheartened

落胆した
Meaning
discouraged; feeling dejected; losing hope or confidence
Example
She felt disheartened after failing the exam twice.
彼女は試験に2回失敗した後、落胆していました。
C2 verb /kəmˈpɔːrt/

comport

振る舞う
Meaning
to behave or conduct oneself in a particular way
Example
She comported herself with grace during the ceremony.
彼女は式典中に優雅に振る舞いました。
C1 adjective /əˌpɒk.əˈlɪp.tɪk/

apocalyptic

終末的
Meaning
Describing the end of the world, or something catastrophic and disastrous.
Example
The movie depicts an apocalyptic future after a nuclear war.
映画は核戦争後の終末的な未来を描いています。
B2 noun /mjuːl/

Mule

ラバ
Meaning
the offspring of a donkey and a horse, used as a working animal
Example
The farmer used a mule to carry heavy loads.
農夫は重い荷物を運ぶためにラバを使いました。
A2 noun /pəˈliːsmən/

policeman

警察官
Meaning
a man whose job is to enforce the law and keep public order
Example
The policeman directed the traffic at the intersection.
警察官は交差点で交通を指導しました。
C1 verb /ɪnˈsɜːrkəl/

encircle

囲む
Meaning
to form a circle around something
Example
The protesters encircled the building in a human chain.
抗議者は人間の鎖で建物を囲んだ。
C1 verb /əbˈstrʌkt/

obstruct

妨げる
Meaning
to block or hinder progress; to prevent or impede movement
Example
The fallen tree obstructed the road for several hours.
倒れた木が数時間道路をふさぎました。
C2 verb /ˈbɜːrnɪʃ/

burnish

Meaning
To polish something by rubbing; to enhance or improve.
Example
He burnished the old table until it shone.
B2 noun /ˈdɛltə/

delta

デルタ
Meaning
A landform at the mouth of a river where it splits into several outlets.
Example
The Nile Delta is one of the most fertile regions in Egypt.
ナイル川デルタはエジプトで最も肥沃な地域の1つです。
C2 adjective /ˈfrɛtfəl/

fretful

不安な
Meaning
Feeling or showing distress or irritation.
Example
The baby was fretful all night and could not sleep.
赤ちゃんは一晩中不安で眠れませんでした。
C2 noun /ˈjoʊmən/

yeoman

農民 / 忠実な従業員
Meaning
A farmer who cultivates his own land; also used to describe someone performing loyal, useful service.
Example
He did yeoman service in completing the project on time.
彼はプロジェクトを時間通りに完了させるために忠実にサービスを提供しました。
B1 noun /ˈlæbrətɔːri/

laboratory

実験室
Meaning
A room or building equipped for scientific experiments, research, or teaching.
Example
The students conducted the experiment in the chemistry laboratory.
学生たちは化学実験室で実験を行った。
A1 adverb /ˈsʌm.taɪmz/

Sometimes

時々
Meaning
at times; occasionally; now and then
Example
Sometimes I go for a walk in the evening.
時々、私は夕方に散歩します。
B2 noun kəˈmɪʃ.ən

commission

委員会
Meaning
An official group of people entrusted by a government with a particular function.
Example
The commission recommends constitutional reforms.
委員会は憲法改正を提案します。
B2 noun /ɪkˈses/

Excess

過剰; 余分
Meaning
an amount of something that is more than necessary, permitted, or desirable
Example
The excess food from the party was donated to the local shelter.
パーティーからの余剰食料は地元のシェルターに寄付されました。
C2 noun /məˈnæʒəri/

menagerie

野生動物のコレクション
Meaning
a collection of wild animals kept for exhibition; a diverse or strange group of people or things
Example
The circus had a menagerie of exotic animals.
サーカスには異国的な動物のコレクションがありました。
C1 adjective /ˈwɪntri/

wintry

冬の
Meaning
Characteristic of or suitable for winter; cold and bleak.
Example
The wintry wind made everyone shiver as they walked outside.
冬の風は、外を歩いているときにみんなを震えさせた。
B1 adverb /ˈɡreɪtli/

greatly

非常に
Meaning
to a large extent or degree; very much
Example
She was greatly admired by her students.
彼女は生徒たちから非常に賞賛されました。
C2 noun /ˈklaʊdˌbɜːrst/

cloudburst

突然の豪雨
Meaning
a sudden and very heavy rainfall
Example
The picnic was ruined by a sudden cloudburst.
ピクニックは突然の豪雨で台無しになった。
C2 adjective /ˈmiːzli/

measly

取るに足らない
Meaning
contemptibly small or insignificant
Example
He was paid a measly sum for the hard work.
彼はその辛い仕事に対して取るに足らない金額を支払われました。
C1 noun /ˈpeɪ.ɡən/

Pagan

異教徒
Meaning
a person holding religious beliefs other than the main world religions; a heathen
Example
Ancient Romans considered early Christians to be pagans.
古代ローマ人は初期のキリスト教徒を異教徒だとみなしていた。
C1 noun /ˈmeɪsən/

mason

石工
Meaning
a person skilled in building with stone, brick, or concrete
Example
The mason carefully laid the bricks for the new house.
石工は新しい家のために慎重にレンガを積みました。
C1 verb /trəˈvɜːrs/

traverse

横断する
Meaning
To travel across or through something.
Example
They traversed the desert on camels.
彼らはラクダで砂漠を横断した。
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 adjective hjʊˈrɪs.tɪk

heuristic

発見的
Meaning
Enabling a person to discover or learn something for themselves; experimental learning approach.
Example
Teachers use heuristic techniques to encourage self-learning.
教師は自学を促すために発見的な技法を使用します。
B2 noun, verb /ræŋks/

ranks

ランク
Meaning
Positions within a group, especially in a hierarchy or organization.
Example
He quickly moved up the ranks of the army.
彼はすぐに軍隊のランクで上昇しました。
C1 noun /ˈprɒksi/

proxy

代理人
Meaning
A person authorized to act on behalf of another; a substitute.
Example
She voted by proxy at the meeting.
彼女は会議で代理投票を行った。