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B1 noun, verb /ˈmɒnɪtər/

monitor

モニター、監視する
Meaning
to observe and check the progress or quality of something; also a device that displays information
Example
The teacher monitors the students during the exam.
先生は試験中に生徒を監視します。
B2 noun /ˈdjuːəʊ/

duo

デュオ
Meaning
a pair of people or things, especially in music or entertainment
Example
The musical duo performed their latest hit at the concert.
その音楽デュオはコンサートで最新のヒットを演奏しました。
C1 noun /fjuːd/

feud

争い, 敵意
Meaning
a prolonged and bitter quarrel or conflict, often between families or groups
Example
The two families have been in a feud for generations.
二つの家族は世代を超えて争い続けています。
C1 noun /ˈtoʊtəm/

totem

聖なる象徴
Meaning
A natural object, animal, or symbol that is revered as a spiritual emblem by a group or tribe.
Example
The eagle is considered a sacred totem in many cultures.
イーグルは多くの文化で神聖なトーテムと見なされています。
C1 adjective /ɪnˈedəbəl/

Inedible

食べられない
Meaning
not suitable or safe for eating; not edible
Example
The mushrooms were poisonous and completely inedible.
そのキノコは毒性があり、完全に食べられないものでした。
C2 adjective /əbˈstrɛpərəs/

obstreperous

騒がしくて制御が難しい
Meaning
Noisy and difficult to control.
Example
The obstreperous students disrupted the class.
騒がしい学生たちが授業を妨害した。
C2 adjective /ˌlækəˈdeɪzɪkəl/

lackadaisical

怠惰または無関心
Meaning
lacking enthusiasm, energy, or determination; careless or lazy
Example
His lackadaisical attitude toward work annoyed his boss.
彼の怠惰な態度は、仕事に対する上司の不満を引き起こした。
B1 noun /θʌm/

Thumb

親指
Meaning
the short thick finger of the human hand
Example
She gave me a thumbs up to show her approval.
彼女は私に賛成の気持ちを示すために親指を上げた。
C1 verb /praʊl/

prowl

こっそり歩く（狩りや探索のため）
Meaning
To move around quietly and secretly, especially while hunting or searching.
Example
The cat prowled around the garden at night.
猫は夜、庭の周りを静かに歩いていた。
C2 noun /ˈlev.ɪ.ti/

Levity

軽薄さ; フリヴォリティ; 尊重の欠如
Meaning
humor or frivolity, especially the treatment of a serious matter with humor or in a manner lacking due respect
Example
The levity in the courtroom was inappropriate.
法廷での軽薄さは不適切でした。
C1 adjective /dɪˈbeɪst/

debased

劣化した
Meaning
having lost quality, value, or moral character
Example
The debased currency lost the trust of the people.
劣化した通貨は人々の信頼を失った。
B2 noun ˈfeɪs tə ˈfeɪs ˈbætl

face-to-face battle

面と面の戦い
Meaning
A direct confrontation or fight between opposing forces.
Example
The warriors fought a face-to-face battle with the enemies.
戦士たちは敵と面と面で戦った。
C1 adjective /kənˈdjuː.sɪv/

conducive

有益な
Meaning
Making a certain situation or outcome likely or possible; contributing to or helping to bring about.
Example
A quiet environment is conducive to studying.
静かな環境は勉強に有益です。
C1 verb /ˈkæptɪveɪt/

captivate

魅了する、引きつける
Meaning
to attract and hold the interest of; to charm or fascinate
Example
Her beautiful voice captivated the audience.
彼女の美しい声は観客を魅了した。
C2 adjective /roʊn/

roan

ロアン馬
Meaning
denoting an animal, especially a horse, having a coat of mixed colors, typically reddish-brown and white
Example
The rider mounted a roan horse with a speckled coat.
騎手は斑点のあるコートを持ったロアン馬に乗った。
A1 noun /ˌjuːnɪˈvɜːrsɪti/

university

大学
Meaning
an institution of higher education and research, which grants academic degrees
Example
She is studying law at the university.
彼女は大学で法学を学んでいます。
C1 adjective /ɪmˈpɜːrviəs/

impervious

透過しない
Meaning
Not allowing fluid to pass through; unable to be affected by something.
Example
The jacket is impervious to rain.
ジャケットは雨に透過しません。
B2 noun /ˈmoʊ.tɪv/

Motive

動機; 理由; 刺激
Meaning
a reason for doing something; what drives someone to act
Example
The police are investigating the motive for the crime.
警察は犯罪の動機を調査しています。
A2 noun /ˈmædʒɪk/

magic

魔法
Meaning
the use of mysterious or supernatural powers to influence events
Example
The magician amazed the crowd with his magic.
マジシャンは彼のマジックで観客を驚かせました。
C2 verb /ˈdɪðər/

dither

Meaning
to be indecisive or unable to make a decision
Example
He dithered for hours before choosing a restaurant.
B2 adjective /ˌʌn.kəʊˈɒp.ər.ə.tɪv/

uncooperative

非協力的な
Meaning
not willing to help or work with others; unhelpful
Example
The witness was uncooperative and refused to answer questions.
証人は非協力的で、質問に答えることを拒否した。
B2 noun /ˈmæstəri/

Mastery

熟練; 精通;
Meaning
Great skill or expertise in a subject or activity
Example
His mastery of the violin impressed audiences around the world.
彼のヴァイオリンの腕前は世界中の観客を感動させました。
C2 noun /kænˈtoʊnmənt/

Cantonment

軍事基地
Meaning
a military base or permanent military station
Example
The soldiers lived in the cantonment outside the city.
兵士たちは街外の軍事基地で生活していました。
B2 noun /dɪsˈɡreɪs/

Disgrace

恥辱; 不名誉; 恥ずかしい
Meaning
loss of reputation or respect as the result of a dishonorable action; a shameful situation
Example
His arrest brought disgrace upon his entire family and reputation.
彼の逮捕は彼の家族全体と評判に恥辱をもたらした。
C1 adjective /ləˈbɔːr.i.əs/

laborious

骨の折れる
Meaning
requiring considerable effort and time; difficult and hard-working
Example
Writing the long report was a laborious task.
長いレポートを書くことは骨の折れる仕事でした。
A2 verb /ɪnˈkri:s/

increase

増加
Meaning
to become or make something larger in amount, number, or degree
Example
The company plans to increase its production this year.
その会社は今年、生産を増加させる予定です。
C2 adjective /ˌɪndɪˈfætɪɡəbl̩/

indefatigable

疲れ知らず
Meaning
persisting tirelessly; incapable of being fatigued
Example
Her indefatigable spirit kept the team motivated during the long project.
彼女の疲れ知らずの精神が、長いプロジェクトを通してチームを励ましました。
A2 noun ˈefərts

efforts

努力
Meaning
A vigorous or determined attempt; physical or mental energy
Example
Your efforts determine your success.
あなたの努力があなたの成功を決定します。
C1 noun /dɪˈluːʒən/

delusion

錯覚
Meaning
A false belief or impression maintained despite being contradicted by reality.
Example
He lived under the delusion that he was invincible.
彼は自分が無敵だという錯覚の中で生きていた。
C1 noun /ˈdɛljuːdʒ/

deluge

洪水
Meaning
A severe flood; an overwhelming quantity of something.
Example
The town was hit by a deluge of rain in just a few hours.
その町は数時間で豪雨の洪水に襲われました。
C2 verb /ˈbraʊˌbiːt/

browbeat

脅す / 強制する
Meaning
To intimidate or bully someone into doing something
Example
The lawyer tried to browbeat the witness.
弁護士は証人を脅しつけようとした。
C1 adjective /ˈmɔːrbɪd/

morbid

死や病気など、不快または不安を引き起こすテーマへの異常な関心
Meaning
Having an abnormal interest in disturbing or unpleasant subjects such as death or disease.
Example
She had a morbid fascination with crime stories.
彼女は犯罪の話に対してモービッドな魅力を持っていた。
A2 noun /laɪˈbrɛəriən/

librarian

司書
Meaning
a person who manages, organizes, and assists users in a library
Example
The librarian helped me find a rare history book.
司書は私が珍しい歴史の本を見つけるのを手伝ってくれました。
C1 adjective /ˈtɪklɪʃ/

ticklish

Meaning
easily made to laugh by being touched lightly; easily upset or sensitive
Example
She is very ticklish and bursts into laughter when touched on her feet.
C2 noun /ˈlɪŋ.ɡoʊ/

lingo

専門用語
Meaning
Specialized or informal language used by a particular group that is often difficult for outsiders to understand.
Example
The manual was written in technical lingo that confused the new employees.
マニュアルは技術的な用語で書かれており、新しい従業員を混乱させました。
C1 adjective /səˈdɪs.tɪk/

sadistic

サディスティック
Meaning
Deriving pleasure from inflicting pain or suffering on others.
Example
The villain had a sadistic smile while hurting his enemies.
悪党は敵に痛みを与えている間、サディスティックな笑顔を浮かべていた。
C2 adjective /ˌoʊpəˈlɛsənt/

opalescent

オパール色の
Meaning
showing or reflecting a milky, iridescent light like an opal
Example
The opalescent sky glowed with shades of pink and blue.
オパレッセントな空はピンクと青の色合いで輝いていた。
B1 noun /kɪˈlɒmɪtər/ or /ˈkɪləˌmiːtər/

kilometer

キロメートル
Meaning
a unit of length equal to 1,000 meters
Example
The village is about five kilometers away from the town.
その村は町から約五キロメートル離れています。
C2 adjective /eɪˈsɛptɪk/

aseptic

無菌
Meaning
Free from contamination caused by harmful microorganisms; sterile.
Example
Surgeons must work in an aseptic environment to prevent infection.
外科医は感染を防ぐために無菌環境で作業しなければならない。
C1 verb /ˈwɪtl/

whittle

Meaning
to carve or shape something by cutting off small pieces; to gradually reduce
Example
He spent the afternoon whittling a piece of wood into a toy.
A1 pronoun /wɪtʃ/

which

どれ
Meaning
used to ask about one or more items from a defined set
Example
Which one do you prefer, the red or the blue?
赤と青、どちらを選びますか？
B2 noun /træŋˈkwɪl.ɪ.ti/

tranquillity

静けさ
Meaning
the state of being calm, peaceful, and free from disturbance
Example
She enjoyed the tranquillity of the countryside after years in the city.
彼女は都市で何年も過ごした後、田舎の静けさを楽しんでいました。
B2 adjective + noun ˈædvɜːrs ɪˈfekts

adverse effects

悪影響
Meaning
Negative or harmful impacts that result from an action or condition.
Example
Plastic usage has adverse effects on the environment.
プラスチックの使用は環境に悪影響を与える。
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。
A2 verb /siːm/

seem

見える
Meaning
to give the impression of being something or having a particular quality
Example
He seems tired after the long journey.
長い旅の後、彼は疲れているように見える。
B2 verb /ˈkɒnvɪkt/

convict

有罪判決を下す
Meaning
to find someone guilty of a crime in a court of law
Example
The court convicted him of theft.
裁判所は彼を窃盗罪で有罪とした。
C2 noun /ˌvælɪˈdɪkʃən/

valediction

別れの言葉
Meaning
The act of saying farewell; a formal goodbye.
Example
The professor gave a touching valediction at his retirement ceremony.
教授は退職式で感動的な別れの言葉を述べました。
C1 noun /rɪˈvɒl.vər/

Revolver

リボルバー
Meaning
a pistol with revolving chambers enabling several shots to be fired without reloading
Example
The detective drew his revolver from its holster.
探偵はホルスターからリボルバーを抜き取った。
C1 noun kəˈmɑːnd ɪˈkɒn.ə.mi

command economy

計画経済
Meaning
An economic system where economic activities are controlled by the government.
Example
In a command economy, the government controls production and prices.
計画経済では、政府が生産と価格を管理します。
B2 adjective /dɪˈtætʃt/

detached

分離された, 無関心な
Meaning
separate or disconnected; showing a lack of emotional involvement
Example
He lived in a detached house away from the city.
彼は都市から離れた分離された家に住んでいました。
A2 noun /mɔːl/ or /mæl/

mall

ショッピングモール
Meaning
a large building or series of connected buildings containing shops and restaurants
Example
They went to the mall to buy new clothes.
彼らは新しい服を買うためにショッピングモールに行きました。
B1 adverb /ˈæŋɡrɪli/

angrily

怒って
Meaning
in a manner showing anger or strong displeasure
Example
She spoke angrily when she heard the news.
彼女はその知らせを聞いて怒って話した。
C1 noun /sɪˈdʌk.ʃən/

Seduction

誘惑; 誘惑
Meaning
the action of seducing someone; temptation to do something wrong
Example
He fell victim to the seduction of easy money.
彼は簡単な金儲けの誘惑に負けた。
C1 noun /ˈmɪd.əl.mæn/

Middleman

仲介者
Meaning
A person who acts as an intermediary between two parties in a business transaction
Example
They decided to cut out the middleman and sell directly to customers.
彼らは仲介者を排除し、直接顧客に販売することに決めました。
C1 noun ˈiːkəʊˌsɪstəm ˈsɜːvɪsɪz

ecosystem services

生態系サービス
Meaning
The benefits people obtain from ecosystems.
Example
Forests provide valuable ecosystem services, such as purifying air and water.
森林は空気と水を浄化するなど、貴重な生態系サービスを提供します。
C2 adjective /dɪˈluːsɪv/

delusive

欺瞞的
Meaning
Giving a false or misleading impression; deceptive.
Example
His promises turned out to be delusive and untrustworthy.
彼の約束は欺瞞的で信頼できないことが証明されました。
C1 adjective /ˈhɑːrdi/

hardy

頑丈, 強健
Meaning
Strong, robust, and capable of enduring difficult conditions.
Example
Hardy plants can survive the harsh winter.
頑丈な植物は厳しい冬を生き抜くことができます。
C1 noun prɪˈsɪʒ.ən ˈæɡ.rɪ.kʌl.tʃər

precision agriculture

精密農業
Meaning
The technique of conducting agricultural work using advanced technology.
Example
Precision agriculture optimizes resource use and increases efficiency.
精密農業は資源の使用を最適化し、効率を向上させます。
C2 verb /ɪˈstreɪndʒ/

estrange

Meaning
to cause someone to no longer be close or affectionate; to alienate
Example
His constant criticism began to estrange him from his friends.
B2 noun /steɪn/

Stain

シミ; 汚れ
Meaning
a colored patch or dirty mark that is difficult to remove; a blemish or damage to reputation
Example
There was a coffee stain on his white shirt.
彼の白いシャツにはコーヒーのシミがありました。
B1 noun /ˈlɪt.ər.ə.ʧər/

Literature

文学
Meaning
written works, especially those considered of superior or lasting artistic merit; books and writings published on a particular subject
Example
She studied English literature at university.
彼女は大学で英文学を学びました。
B1 noun /ˈprɒp.ə.ti/

Property

不動産／財産／性質
Meaning
a building or land; something owned; a characteristic or quality
Example
They bought a beautiful property in the countryside.
彼らは田舎にある美しい物件を買いました。
C1 noun /kɑst/

Caste

カースト; カースト制度
Meaning
a social class system; a hereditary class of Hindu society
Example
The ancient caste system divided society into different social groups.
古代のカースト制度は社会を異なる社会的グループに分けました。
C1 noun /ˈtʃænsələr/

chancellor

学長 / 大臣
Meaning
A senior state or legal official, or the head of a university.
Example
The chancellor delivered an inspiring speech at the graduation ceremony.
学長は卒業式で感動的なスピーチを行いました。
A2 verb /kjʊər/

cure

治す
Meaning
to make someone healthy again after an illness
Example
The new medicine cured her of the infection.
新しい薬は彼女の感染症を治しました。
C2 adjective /rɪˈfrɪndʒənt/

refringent

屈折性
Meaning
Capable of refracting light or other waves.
Example
The refringent properties of the crystal bent the light into a spectrum.
結晶の屈折性の特性は光をスペクトルに曲げました。
B2 verb /buːm/

boom

轟音
Meaning
to make a loud deep sound; to grow or increase rapidly
Example
The thunder boomed across the sky.
雷が空を鳴り響かせた。
C1 verb /ˌoʊvərˈθroʊ/

overthrow

幸せ
Meaning
To remove a leader or government from power, often by force.
Example
The rebels planned to overthrow the corrupt regime.
彼女は賞を受け取ったとき、幸せを隠すことができなかった。
C2 noun /ˈduːti/

Dhuti

ドゥティ
Meaning
a traditional Indian garment for men consisting of a piece of unstitched cloth worn around the waist and legs
Example
The elderly man wore a white dhuti during the religious ceremony.
年配の男性は宗教的な儀式で白いドゥティを着ていた。
B1 adjective /ʌnˈmærid/

unmarried

未婚
Meaning
Not married; single.
Example
He is thirty-five and still unmarried.
彼は三十五歳で、まだ未婚です。
C1 verb /ɪmˈpɛər/

impair

損なう
Meaning
to weaken or damage something, especially a function or ability
Example
Smoking can impair your lung capacity.
喫煙は肺活量を害する可能性があります。
C1 noun /ˈmæroʊ/

Marrow

骨髄
Meaning
A soft fatty substance in the cavities of bones; the essence of something
Example
The bone marrow produces blood cells in the human body.
骨髄は人体で血液細胞を生成します。
C1 noun /ˈmɒŋ.ɡuːs/

Mongoose

マングース
Meaning
a small carnivorous mammal known for its ability to kill venomous snakes
Example
The mongoose quickly attacked the cobra to protect its young.
マングースは子供たちを守るためにコブラを素早く攻撃しました。
B2 verb /ɪkˈsɛl/

excel

優れる
Meaning
to be exceptionally good at or proficient in an activity or subject
Example
She always tries to excel in her studies.
彼女はいつも勉強で優れた成果を上げようとしています。
B1 noun /ˈhʌŋɡər/

hunger

飢餓
Meaning
the feeling of discomfort caused by lack of food
Example
The child cried out of hunger.
その子供は飢えで泣いていました。
B1 adjective /ˈvæljʊəbl/

Valuable

価値がある; 重要な
Meaning
worth a great deal of money; extremely useful or important
Example
The painting is very valuable and worth millions.
その絵画は非常に価値があり、何百万ドルもの価値がある。
C2 noun /ˈmɒnəˌsɪləbəl/

monosyllable

単音節の言葉
Meaning
A word consisting of only one syllable.
Example
Words like 'yes' and 'no' are monosyllables.
'はい'や'いいえ'のような言葉は単音節の言葉です。
A2 adjective /sər'praɪz.ɪŋ/

Surprising

驚くべき; 予想外の
Meaning
causing surprise; unexpected; remarkable
Example
It's surprising how quickly children learn new languages.
子供たちが新しい言語をどれだけ早く学ぶかは驚くべきことです。
C1 noun /ɪˈklɪps/

Eclipse

日食 (太陽または月)
Meaning
an obscuring of light from one celestial body by another; a decline or loss
Example
The total solar eclipse darkened the sky for several minutes.
完全な太陽日食は数分間空を暗くしました。
B1 verb /ˈθretən/

threaten

脅す
Meaning
to express an intention to harm or punish someone; to be likely to cause harm
Example
The storm clouds threaten to bring heavy rain tonight.
嵐の雲は今夜激しい雨をもたらすと脅かしています。
C2 noun /ˈrɛkluːsəri/

reclusory

隠遁場所
Meaning
A place for seclusion or retreat, especially for a recluse or hermit.
Example
The monk spent years in the reclusory away from society.
その僧侶は社会から離れた隠遁場所で数年を過ごしました。
B2 adjective /ˈfeɪtl/

fatal

致命的
Meaning
causing death; leading to disaster
Example
The accident proved fatal for the driver.
その事故は運転手にとって致命的だった。
C2 adjective ˌvɪz.ju.oʊˈspeɪ.ʃəl

visuospatial

視覚を通じて空間と物体の関係を理解することに関連する
Meaning
Related to understanding the relationship between space and objects through vision.
Example
Good visuospatial skills are important for architecture and design.
優れたビジュアルスペーシャルスキルは建築とデザインにとって重要です。
C1 noun /ˌrɛfəˈrɛndəm/

referendum

国民投票
Meaning
a general vote by the population on a single political issue
Example
The government held a referendum on the new constitution.
政府は新しい憲法について国民投票を実施しました。
A1 noun /ɡaɪ/

guy

男
Meaning
an informal term for a man; sometimes used to refer to a person in general
Example
That guy over there is my best friend.
あの男は私の親友です。
C1 noun kəmˈpleɪ.sən.si

complacency

自己満足
Meaning
Excessive self-satisfaction with one's achievements that can hinder progress.
Example
His complacency led to a decline in his performance.
彼の自己満足は彼のパフォーマンスの低下を招いた。
B2 adjective /ˌɑːp.təˈmɪs.tɪk/

optimistic

楽観的
Meaning
hopeful and confident about the future
Example
She is optimistic about the success of her new project.
彼女は新しいプロジェクトの成功に楽観的です。
A2 verb ˈfoʊkəs

focus

集中する
Meaning
To concentrate attention or effort on something; to direct one's attention or efforts towards a particular activity, subject, or problem.
Example
Focus on what truly matters to simplify your life.
本当に重要なことに集中して、人生をシンプルにしましょう。
B2 noun /ˈsɒr.oʊ/

Sorrow

悲しみ; 哀しみ;
Meaning
a feeling of deep distress caused by loss or disappointment
Example
His heart was filled with sorrow after the tragedy.
悲劇の後、彼の心は悲しみで満ちていた。
B2 adverb /ˈsoʊlli/

solely

単独で
Meaning
only; not involving anyone or anything else
Example
He is solely responsible for the decision.
彼はその決定に完全に責任を持っています。
C1 noun /vərˈnækjələr/

vernacular

方言
Meaning
the language or dialect spoken by ordinary people in a particular region
Example
He gave his speech in the local vernacular so everyone could understand.
彼は地元の方言でスピーチをしたので、誰でも理解できました。
C2 adjective /ˈbeɪlfəl/

baleful

威圧的な
Meaning
Threatening harm; menacing or expressing hatred.
Example
She gave him a baleful look after the insult.
侮辱の後、彼女は彼に威圧的な目を向けた。
A1 noun /ˈwɔːkɪŋ/

walking

歩く
Meaning
the activity of moving on foot at a moderate pace
Example
Walking every morning is good for your health.
毎朝歩くことは健康に良いです。
B1 noun /ˌkjʊr.iˈɑs.ɪ.ti/

Curiosity

好奇心; 異常または興味深い物事
Meaning
a strong desire to know or learn something; an unusual or interesting object or fact
Example
Her curiosity about different cultures led her to travel around the world.
彼女の異文化への好奇心は、彼女を世界中に旅行させました。
C1 verb /ˈdiːmɑːrˌkeɪt/

demarcate

境界を定める
Meaning
to set the boundaries or limits of something
Example
The land was demarcated with fences to avoid disputes.
土地はフェンスで境界が定められて、争いを避けました。
C1 verb /ˈstrætɪfaɪ/

stratify

階層化する
Meaning
to arrange or divide into layers, classes, or categories
Example
The researchers plan to stratify the data based on age groups.
研究者たちは年齢層に基づいてデータを階層化する予定です。
B2 verb /draʊn/

drown

溺れる
Meaning
to die or cause to die by being submerged in and inhaling water
Example
He nearly drowned while swimming in the river.
彼は川で泳いでいるときにほぼ溺れそうになった。
B2 noun /ˈpjʊə.rɪ.ti/

Purity

純粋さ; 清潔さ; 汚染からの自由
Meaning
the state of being pure; cleanness or freedom from contamination
Example
The purity of the mountain water was remarkable.
山の水の純粋さは注目に値しました。
C1 noun /ˈfɛlən/

felon

犯罪者
Meaning
a person who has committed a serious crime
Example
The felon was sentenced to ten years in prison.
犯罪者は10年の刑を言い渡された。
C2 noun /kərˈmʌdʒən/

curmudgeon

むっつりした老人
Meaning
a bad-tempered, cranky, or irritable person, usually old
Example
The old curmudgeon complained about everything in the neighborhood.
その年老いたむっつりした老人は近所のすべてに文句を言っていた。
B2 noun /ˈkɒm.ɪt/

Comet

彗星
Meaning
a celestial object consisting of ice and dust that develops a tail when approaching the sun
Example
Halley's Comet appears in the sky every 76 years.
ハレー彗星は76年ごとに空に現れます。
C1 noun /əˌfɪl.iˈeɪ.ʃən/

affiliation

提携
Meaning
The state or process of affiliating or being affiliated; a connection or association.
Example
His affiliation with the company lasted for a decade.
彼の会社との提携は10年間続いた。
C1 verb /əˈmæs/

amass

積み上げる
Meaning
to gather together or accumulate over a period of time
Example
He managed to amass a fortune through wise investments.
彼は賢い投資を通じて財産を積み上げることができました。
C2 noun /prɪˈhɛnʃən/

prehension

つかむ動作; 何かをつかむ能力
Meaning
the act of grasping or seizing; the ability to take hold of something
Example
Therapists assessed the patient's prehension during hand therapy.
セラピストは手の治療中に患者のつかむ能力を評価しました。
C1 noun /ˈmɜːrsəˌnɛri/

mercenary

傭兵
Meaning
a professional soldier hired to serve in a foreign army; also used to describe someone motivated solely by money.
Example
The mercenary fought for whoever paid the highest wage.
傭兵は最も高い給料を支払った人のために戦った。
B2 noun /rɪˈmuː.vəl/

Removal

撤去; 除去; 解雇;
Meaning
the action of taking something away or eliminating it; dismissal from office
Example
The removal of the old furniture took all day.
古い家具の除去に一日中かかりました。
B2 noun, verb /ræmp/

ramp

ランプ
Meaning
a sloping surface joining two different levels; as a verb, to increase or rise sharply
Example
The car drove up the ramp into the parking garage.
車は駐車場のランプを上がった。
C2 adjective /ˈbrɪndl̩d/

brindled

ぶち模様
Meaning
Having a brownish or tawny color with streaks or spots of another color.
Example
The farmer owned a brindled cow with distinctive stripes.
農家は特徴的なストライプのあるぶち模様の牛を飼っていた。
C2 noun /dɪnt/

dint

努力、衝撃の跡
Meaning
an impression or hollow made by a blow; force or power
Example
By dint of hard work, he achieved success.
努力のおかげで、彼は成功を収めました。
C2 noun /məˈʃiː.nɪst/

machinist

機械工
Meaning
a person who operates machine tools or makes and repairs machines
Example
The machinist carefully adjusted the gears on the lathe.
マシニストは旋盤のギアを慎重に調整しました。
C1 verb /əˈdʒɔɪn/

adjoin

隣接する
Meaning
To be next to and joined with something.
Example
Their house adjoins the park.
彼らの家は公園に隣接しています。
B2 noun /rɪˈsiː.vər/

Receiver

受話器
Meaning
a person or thing that receives something; the part of a telephone containing the earpiece and mouthpiece
Example
She picked up the receiver to answer the phone call.
彼女は電話に出るために受話器を取った。
C2 noun /ˈdʒʌɡjələr/

jugular

頸静脈
Meaning
A large vein in the neck that carries blood from the head back to the heart.
Example
The doctor checked the patient's jugular vein for signs of pressure.
医者は患者の頸静脈に圧力の兆候がないかを確認しました。
C1 noun /wɪk/

Wick

キャンドルの芯
Meaning
a cord or strand of cotton that burns to provide light in a candle or lamp
Example
The candle wick needs to be trimmed for better burning.
キャンドルの芯は、より良く燃えるために切る必要があります。
C2 adjective /əˈθɜːrst/

athirst

渇望している, 熱望している
Meaning
Very eager or desirous for something.
Example
The explorer was athirst for adventure.
探検家は冒険に渇望していた。
B2 noun /ˈsæksəfoʊn/

Saxophone

サクソフォン
Meaning
a wind musical instrument with a curved metal body and a single reed mouthpiece
Example
The jazz musician played a beautiful solo on his saxophone.
ジャズのミュージシャンは自分のサクソフォンで美しいソロを演奏しました。
A2 adverb /ˈrɑː.ðər/

Rather

むしろ; ～の代わりに;
Meaning
to some extent; instead; preferably
Example
I would rather stay home than go to the party.
パーティーに行くよりも家にいる方がいい。
C1 noun/verb /ɡrʌdʒ/

grudge

Meaning
A persistent feeling of ill will or resentment from a past insult or injury.
Example
She still holds a grudge against him for what happened years ago.
C1 noun /ˈfɪʃ.ər/

fissure

ひび割れ
Meaning
a long, narrow opening or crack in a surface or object
Example
The earthquake caused a deep fissure in the road.
地震によって道路に深いひび割れができました。
B1 adverb /ˈpɜr.sən.ə.li/

Personally

個人的に; 私の意見では; 自分のために; 自分自身で
Meaning
as a person; in one's own opinion; for oneself; in person
Example
Personally, I think the movie was excellent, though others disagree.
個人的に言うと、その映画は素晴らしいと思いますが、他の人は賛成していません。
A1 adjective /fɑːst/

Fast

速い; 迅速
Meaning
moving or happening quickly; rapid; swift
Example
She runs very fast in the morning.
彼女は朝にとても速く走ります。