House boat
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B2 noun /ˈhaʊs boʊt/

House boat

ハウスボート
Meaning
a boat that has been designed or modified to be used primarily as a home
Example
They spent their vacation on a beautiful house boat in the lake.
彼らは湖の美しいハウスボートで休暇を過ごしました。
B1 adverb /ˈfʊli/

fully

完全に
Meaning
completely or entirely; to the fullest extent
Example
She is fully aware of the risks.
彼女はリスクについて完全に認識しています。
C1 noun /ˈskaɪ.lɑːrk/

Sky-Lark

ヒバリ
Meaning
a small brown bird known for singing while flying high in the sky
Example
The skylark sang beautifully as it soared above the meadow.
ヒバリは草地の上を飛びながら美しく歌った。
C2 verb /ʧeɪf/

chafe

Meaning
To make or become sore by rubbing; to feel irritation or impatience.
Example
The tight shoes began to chafe his heels.
C1 adjective /ˈnjʊrəl/

neural

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

bacterium

バクテリア
Meaning
A single microscopic organism belonging to the group of bacteria.
Example
The doctor explained that a single bacterium can multiply rapidly under the right conditions.
医者は、1つのバクテリウムが適切な条件下で急速に増殖できることを説明しました。
B2 verb /ˌʌndərˈmaɪn/

undermine

弱める
Meaning
to gradually weaken or damage something or someone
Example
Constant criticism can undermine a child's confidence.
継続的な批判は子どもの自信を弱める可能性があります。
B2 adjective /ˈfjʊə.ri.əs/

Furious

怒っている; 激怒した; 暴力的な;
Meaning
extremely angry; violent; fierce;
Example
She was furious when she discovered the mistake.
彼女はその間違いを発見したとき、怒っていました。
C2 adverb /əˈsʌndər/

asunder

バラバラに
Meaning
into separate parts; apart
Example
The ancient empire was torn asunder by war.
古代の帝国は戦争でバラバラにされてしまった。
A2 noun /ˈmænɪdʒər/

manager

マネージャー
Meaning
a person responsible for controlling or administering an organization or group of staff
Example
The manager approved the new project plan.
マネージャーは新しいプロジェクト計画を承認しました。
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 /ˈsɪlədʒɪzəm/

syllogism

三段論法
Meaning
A form of reasoning in which a conclusion is drawn from two given or assumed premises.
Example
The philosopher explained the concept of syllogism using simple examples.
哲学者は簡単な例を使って三段論法の概念を説明しました。
B2 noun /ˈkjuː.bɪ.kəl/

cubicle

仕切られたスペース
Meaning
A small partitioned-off area of a room, typically in an office.
Example
She works in a cubicle with three other colleagues.
彼女は他の3人の同僚と一緒に仕切られたスペースで働いています。
C2 noun /əbˈstɛtrɪks/

obstetrics

産科
Meaning
The branch of medicine dealing with childbirth and care of women giving birth.
Example
She is studying obstetrics to become a specialist in childbirth.
彼女は産科を学んで、出産専門医になろうとしている。
B2 noun /ˈrɪk.ʃɔː/

Rickshaw

リクシャ
Meaning
a light two-wheeled passenger vehicle drawn by one or more people
Example
We took a rickshaw to reach the busy marketplace.
忙しい市場に到着するためにリクシャを利用しました。
B2 verb /spɪt/

spit

唾を吐く
Meaning
to force liquid, especially saliva, out of the mouth
Example
He spat on the ground in anger.
彼は怒りで地面に唾を吐いた。
C1 adjective /ʌnˈsiːmli/

unseemly

不適切な
Meaning
Not proper or appropriate in behavior or appearance; unbecoming.
Example
His unseemly remarks embarrassed everyone at the dinner table.
彼の不適切な発言はディナーテーブルで皆を困らせました。
B2 verb /ɪnˈvɪʒən/

envision

想像する
Meaning
to imagine or picture something in the future; to visualize a possibility or goal
Example
She envisions a world where everyone has equal access to education.
彼女はすべての人が平等に教育を受けられる世界を想像しています。
B2 adjective /ˈpəʊstwɔːr/

postwar

戦後
Meaning
occurring or existing after a war
Example
The postwar period saw significant economic growth.
戦後の時期には、顕著な経済成長が見られました。
C2 noun /raɪm/

rime

霜
Meaning
frost formed on cold surfaces by freezing water vapor
Example
The trees were covered with a white rime after the cold night.
木々は冷たい夜の後、白い霜で覆われていました。
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。
B2 noun ˌrev.əˈluː.ʃənz

revolutions

革命
Meaning
Dramatic and wide-reaching changes in political, social, or economic systems, often involving the overthrow of a government or social order.
Example
Revolutions often lead to significant societal changes.
革命はしばしば社会的な変革をもたらす。
C2 verb /læmˈbæst/

lambast

厳しく批判する
Meaning
To criticize harshly or to beat severely.
Example
The coach lambasted the team for their poor performance.
コーチはチームのパフォーマンスの悪さを厳しく非難しました。
B2 noun dɪˈveləpɪŋ ˈriːdʒənz

developing regions

発展途上地域
Meaning
Areas or countries that are in the process of economic growth and development
Example
Pollution affects developing regions the most.
汚染は発展途上地域に最も影響を与えます。
C1 verb /ɪmˈbrɔɪl/

embroil

巻き込む
Meaning
to involve someone deeply in a conflict, argument, or difficult situation
Example
The politician was embroiled in a major corruption scandal.
その政治家は大規模な汚職スキャンダルに巻き込まれました。
B2 adjective /səˈpɔːtɪv/

supportive

支援的な
Meaning
providing encouragement or emotional help to someone
Example
She was very supportive during my difficult times.
彼女は私の困難な時期に非常に支援的でした。
A1 noun /piːˈɛm/

pm

Meaning
abbreviation for post meridiem; after midday
Example
The meeting is scheduled at 3 pm.
C1 verb /rɪˈtrækt/

retract

Meaning
to withdraw a statement, promise, or part of the body; to pull back
Example
The company retracted its earlier statement after realizing the error.
C2 noun /ˈæl.baɪt/

albite

Meaning
A white or colorless mineral of the feldspar group, often found in igneous rocks.
Example
Geologists discovered albite crystals in the rock sample.
A1 noun /ɑːrt/

art

芸術
Meaning
the expression or application of human creative skill and imagination
Example
She studied art at the university.
彼女は大学で芸術を学びました。
A2 verb /bɛɡ/

beg

お願いする
Meaning
to ask for something earnestly; to request humbly
Example
The child begged for a new toy.
その子供は新しいおもちゃをお願いしました。
B2 noun /ˈpaɪpˌlaɪn/

pipeline

パイプライン
Meaning
a long tube through which liquids or gases are transported
Example
The company is building a new pipeline to transport natural gas.
その会社は天然ガスを輸送するための新しいパイプラインを建設しています。
C1 verb /ˌkaʊntərˈækt/

counteract

反作用
Meaning
to act against something in order to reduce its effect
Example
The medicine helps counteract the side effects of the treatment.
その薬は治療の副作用をカウンターアクトするのに役立ちます。
C2 noun /ˈtʃɜː.nɪŋ stɪk/

Churning stick

バターバトン
Meaning
a wooden stick used for stirring and churning butter, milk, or other liquids
Example
Grandmother used a churning stick to make fresh butter.
おばあさんは新鮮なバターを作るためにチャーニングスティックを使いました。
C2 adjective /ˌsʌb.əˈkwɒt.ɪk/

subaquatic

水中
Meaning
Existing, living, or located under water.
Example
Divers explored the subaquatic cave system filled with rare fish.
ダイバーたちは珍しい魚でいっぱいの水中洞窟システムを探査しました。
A2 verb /tʃɑːrdʒ/

charge

請求する/告発する
Meaning
to demand payment; to formally accuse; to rush forward aggressively
Example
The store charges extra for home delivery.
その店はホームデリバリーに追加料金を課します。
C1 noun /ˈbɛərnəs/

bareness

裸の状態
Meaning
the state of being bare or uncovered; lack of decoration, warmth, or concealment
Example
The bareness of the room made it feel cold and unwelcoming.
部屋の裸の状態が冷たく居心地の悪い感じを与えた。
C1 verb, noun /ˈɡrɪməs/

grimace

しかめっ面
Meaning
to make an ugly, twisted expression on one's face, usually in disgust or pain
Example
He grimaced when he tasted the sour fruit.
彼は酸っぱい果物を食べたときに顔をしかめました。
C1 adjective pərˈnɪʃəs

pernicious

有害な, 致命的な
Meaning
Having a harmful effect, especially in a gradual or subtle way.
Example
The pernicious effects of smoking are well-documented.
喫煙の有害な影響は十分に記録されています。
C2 noun /ˈflɛkʃən/

flection

屈曲
Meaning
The act of bending or the state of being bent, especially of a limb or joint.
Example
The doctor tested the patient's knee flection during the examination.
医者は検査中に患者の膝の屈曲をテストしました。
C1 noun /ˌkɒnfləˈɡreɪʃən/

conflagaration

綴り間違い（'conflagration'の）
Meaning
This is a common misspelling of 'conflagration', which means a large, destructive fire.
Example
The term 'conflagaration' is often incorrectly used instead of 'conflagration'.
'Conflagaration'という言葉は、しばしば'conflagration'の代わりに誤って使われます。
B1 noun /ˈprɪnsɪpl/

principle

原則
Meaning
A fundamental truth or proposition that serves as the foundation for a system of belief or behavior.
Example
Honesty is a key principle of leadership.
正直さはリーダーシップの重要な原則です。
B2 adjective /ˈdʒuːsi/

juicy

ジューシー
Meaning
Full of juice; succulent; also used to describe something exciting or scandalous.
Example
The steak was so juicy that it melted in my mouth.
ステーキはとてもジューシーで、口の中で溶けました。
A2 preposition /tɔːrdz/

towards

へ
Meaning
in the direction of
Example
He is running towards the park.
彼は公園へ向かって走っています。
C1 adjective /ˈheɪt.fəl/

Hateful

憎しみの
Meaning
causing or deserving hatred; extremely unpleasant or offensive
Example
His hateful comments hurt everyone's feelings.
彼の憎しみを込めたコメントは皆の感情を傷つけました。
B1 noun /ˌiːkəˈnɒmɪks/ or /ˌɛkəˈnɒmɪks/

economics

経済学
Meaning
The study of production, consumption, and transfer of wealth.
Example
He is studying economics at university.
彼は大学で経済学を学んでいます。
B2 noun /əˈsaɪləm/

asylum

亡命
Meaning
Protection or shelter, especially given to refugees or the mentally ill.
Example
The refugees sought asylum in the neighboring country.
難民は隣国で亡命を求めた。
C1 noun /ˌdiːˈmer.ɪt/

Demerit

欠点; 不利; 過ちや違反に対して与えられるマーク
Meaning
a fault or disadvantage; a mark given for a fault or offense
Example
The student received a demerit for arriving late to class repeatedly.
その生徒は繰り返し遅刻したため、デメリットを受けました。
B2 noun ɪˈmɪʃ.ən

emission

排出
Meaning
The release or discharge of gases, particles, or other substances into the environment.
Example
Car manufacturers are reducing carbon emissions.
自動車メーカーはカーボン排出を減らしています。
C1 noun /ˈtɛknɪk/

technic

技術
Meaning
A method, skill, or art in a particular field, especially in the arts or sciences.
Example
The artist’s technic in watercolor impressed the judges.
水彩画のアーティストのテクニックは審査員に感銘を与えた。
C1 adjective /məˈlɛvələnt/

malevolent

悪意のある
Meaning
Having or showing a wish to do evil or harm to others.
Example
The malevolent glare in his eyes frightened the children.
彼の目に浮かぶ悪意のある視線は子供たちを怖がらせた。
C2 noun /ˈɛlɪdʒi/

elegy

エレジー
Meaning
A poem or song expressing sorrow, especially for someone who has died.
Example
The poet wrote an elegy for his late friend.
詩人は亡き友人のためにエレジーを書きました。
C1 noun /ˈeɪ.peks/

apex

頂点, apex
Meaning
The highest point or peak of something; the top or summit.
Example
He reached the apex of his career.
彼は自分のキャリアの頂点に達した。
C1 adjective /ɪˈspeʃəl/

especial

特別な
Meaning
Particularly remarkable or significant; distinguished from others
Example
This is an especial opportunity you should not miss.
これは見逃せない特別な機会です。
A2 noun /ˈpɒkɪt/

pocket

Meaning
a small, enclosed space in clothing for carrying items
Example
He put his phone in his pocket.
C1 adjective /ˈfɑːð.ər.ləs/

fatherless

父親がいない
Meaning
without a father
Example
The fatherless child relied on the support of his community.
その父親がいない子供は、コミュニティの支援に頼っていました。
A1 adjective /ˈhʌŋɡri/

Hungry

お腹がすいている
Meaning
feeling the need for food; having a strong desire or craving
Example
I am very hungry after working all day.
一日中働いた後でとてもお腹がすいています。
C1 noun /ˈprəʊsiːdz/

proceeds

収益
Meaning
money obtained from an event, activity, or sale
Example
The proceeds from the charity event were donated to the orphanage.
チャリティイベントの収益は孤児院に寄付されました。
B1 verb /preɪ/

pray

祈る
Meaning
to speak to God or a deity; to hope earnestly
Example
Many people pray for peace in the world.
多くの人々が世界の平和のために祈ります。
C1 adjective /ʌnˈsɪvəlaɪzd/

Uncivilized

未開の; 野蛮な;
Meaning
not developed in terms of civilization; lacking social organization and culture; barbarous
Example
The explorers encountered an uncivilized tribe deep in the Amazon rainforest.
探検家たちはアマゾンの雨林の奥深くで未開の部族に出会った。
C2 noun ˈpær.ə.ɡən

paragon

模範
Meaning
A person or thing regarded as a perfect example of a particular quality; a model of excellence.
Example
Neom is a paragon of sustainable urban design.
ネオムは持続可能な都市設計の模範です。
C2 adjective /ˈfɛtɪd/

fetid

悪臭のある、臭い
Meaning
having a strong, unpleasant smell
Example
The fetid smell from the garbage was unbearable.
ゴミからの臭いは耐えられなかった。
B2 noun θrets

threats

脅威
Meaning
A statement of an intention to inflict pain, injury, damage, or other hostile action.
Example
Threats to food security are rising globally.
食料安全保障への脅威が世界的に高まっています。
C1 verb /riˈɪtəreɪt/

reiterate

繰り返す
Meaning
To say something again or repeatedly for emphasis or clarity.
Example
The teacher reiterated the importance of honesty.
教師は正直さの重要性を繰り返し述べました。
A2 noun /ˈoʊpənɪŋ/

opening

開店
Meaning
an act or instance of beginning something
Example
The opening of the new store was a huge success.
新しい店のオープニングは大成功でした。
C2 verb /ˈhɑːrkən/

hearken

注意深く聞く
Meaning
To listen attentively; to give heed.
Example
He would hearken to his mentor’s advice before making decisions.
彼は意思決定を下す前に、メンターのアドバイスに耳を傾けた。
B2 noun /ˈɜː.dʒən.si/

Urgency

緊急性
Meaning
the quality of requiring immediate action or attention; pressing importance
Example
The urgency of the situation required immediate medical attention.
その状況の緊急性により、直ちに医療の注意が必要でした。
C2 noun /ˈpjuːɪsəns/

puissance

力
Meaning
Great power, strength, or influence.
Example
The empire showed its puissance through vast armies.
帝国は膨大な軍隊を通じてその力を示しました。
B2 adjective kɒnˈtek.stju.əl

contextual

文脈の
Meaning
Depending on or relating to the circumstances or setting; context-dependent.
Example
Contextual meaning changes depending on usage.
文脈の意味は使用によって変わります。
C1 noun /ˈsɔːl.tɪd fɪʃ/

Salted fish

塩漬けの魚
Meaning
fish preserved with salt; dried and salted fish for storage
Example
Salted fish is a traditional way to preserve seafood.
塩漬けの魚はシーフードを保存する伝統的な方法です。
B1 verb /trænsˈleɪt/

translate

翻訳する
Meaning
to express words or text in another language
Example
She can translate five languages.
彼女は五カ国語を翻訳できます。
C2 noun /proʊˈskrɪp.ʃən/

proscription

禁止
Meaning
the act of forbidding something, especially by law
Example
The proscription of child labor is an important human rights achievement.
児童労働の禁止は人権の重要な成果です。
C1 noun /rɑk sɔlt/

Rock Salt

岩塩
Meaning
natural salt crystals formed from evaporated ancient seas; unrefined salt
Example
Rock salt is considered healthier than table salt.
岩塩はテーブルソルトよりも健康的だと考えられています。
A2 adjective /ˌjʊərəˈpiːən/

european

ヨーロピアン
Meaning
Relating to Europe or its people.
Example
She studied European history at university.
彼女は大学でヨーロッパの歴史を学びました。
C1 adjective /ˈfeɪt.fəl/

fateful

運命的または致命的
Meaning
having significant or disastrous consequences
Example
Their fateful decision changed the course of history.
彼らの運命的な決定は歴史の流れを変えました。
A2 noun /ˈkʌpəl/

couple

カップル
Meaning
two people or things considered together; a pair
Example
They make a lovely couple and have been married for five years.
彼らは素敵なカップルで、5年間結婚しています。
C1 noun /əˈfen.dər/

Offender

犯罪者; 法律違反者
Meaning
a person who commits an illegal act; someone who breaks the law
Example
The young offender was sentenced to community service.
その若い犯罪者はコミュニティサービスを命じられました。
A1 adjective /bæd/

bad

悪い
Meaning
not good; unpleasant, harmful, or of poor quality
Example
The milk smells bad, so don’t drink it.
牛乳は悪臭がするので飲まないでください。
C2 noun /ˈdɛftnəs/

deftness

巧妙さ
Meaning
Skillfulness and quickness in action or thought.
Example
Her deftness with words impressed the audience.
彼女の言葉の巧妙さは観客を感動させた。
C1 adjective /ˌser.ɪˈmoʊ.ni.əl/

Ceremonial

儀式的
Meaning
relating to or used in ceremonies; formal and ritualistic
Example
The ceremonial dress was worn during the royal wedding.
王室の結婚式で着用される儀式的な衣装でした。
C1 verb məˈnɒp.ə.laɪz

monopolize

独占する
Meaning
Control exclusively, dominate market.
Example
The company tried to monopolize the market.
その会社は市場を独占しようとした。
B1 verb /ræp/

wrap

包む
Meaning
to cover something completely with paper or cloth; to enclose
Example
Please wrap the gift in colorful paper.
プレゼントをカラフルな紙で包んでください。
C1 noun /hjuː/

hue

色合い
Meaning
A color or shade.
Example
The artist chose a soft blue hue for the background.
アーティストは背景のために柔らかい青い色合いを選びました。
C2 noun /beɪz/

baize

粗いウールの布の一種
Meaning
A type of coarse woolen cloth, often green, used for covering tables such as billiard tables.
Example
The old card table was covered with worn baize.
古いカードテーブルは、擦り切れたベイズで覆われていました。
C2 noun /ˈəʊpəs/

opus

創作作品
Meaning
A creative work, especially a large and important piece of music or art.
Example
The composer considered the symphony his greatest opus.
作曲家は交響曲を自分の最も偉大な創作作品と見なしていました。
C2 noun /ɪˈfʌldʒəns/

effulgence

輝き
Meaning
Brilliant radiance or shining brightness.
Example
The effulgence of the sunrise lit up the entire valley.
日の出の輝きが谷全体を照らした。
A2 conjunction /ˈwɛðər/

whether

かどうか
Meaning
used to express a doubt or choice between alternatives
Example
I don’t know whether I should go.
私は行くべきかどうか分かりません。
C1 verb /ʌnˈɜːθ/

unearth

発掘する
Meaning
To dig up from the ground or to discover something hidden.
Example
Archaeologists unearthed ancient artifacts at the site.
考古学者たちはサイトで古代の遺物を発掘した。
A1 adjective /ˈbɔːrɪŋ/

boring

退屈
Meaning
not interesting or exciting; dull.
Example
The lecture was so boring that several students fell asleep.
講義は退屈すぎて、何人かの学生が眠ってしまった。
C1 adjective /ˈeɪmləs/

Aimless

無目的; 目標なし
Meaning
without purpose or direction; lacking a goal
Example
He wandered around the city in an aimless manner.
彼は無目的に街を歩いていた。
C1 verb /praɪ/

pry

覗く / 口出しする
Meaning
to look closely into something; to try to find out private information
Example
She tried to pry into her neighbor’s private life.
彼女は隣人のプライベートな生活を覗こうとした。
C2 verb /ˈdɛsɪkeɪt/

desiccate

乾燥させる
Meaning
to dry up completely or remove the moisture from something
Example
The hot sun can quickly desiccate plants in the desert.
暑い太陽は砂漠の植物をすぐに乾燥させることができます。
C1 verb /ˈlɔːndər/

launder

洗濯する / 不法に得たお金の出所を隠す
Meaning
to wash clothes, linens, etc.; or to conceal the origins of money obtained illegally
Example
She laundered all the dirty clothes on Sunday.
彼女は日曜日にすべての汚れた衣服を洗いました。
C2 noun /ˈɪəri/ or /ˈɛəri/

aery

ワシの巣
Meaning
An eagle’s nest, or a lofty, airy dwelling.
Example
The eagle perched proudly near its aery high on the cliff.
鷲は崖の上にあるその巣の近くに誇らしげに止まった。
C1 noun /njʊəˈrəʊ.sɪs/

neurosis

神経症
Meaning
A relatively mild mental illness that is not caused by organic disease, involving symptoms of stress.
Example
His neurosis made social interactions difficult.
彼の神経症は社会的な相互作用を困難にした。
B2 noun /ˈtʃer.i ˌblɒs.əm/

Cherry Blossom

さくらの花
Meaning
the pink or white flowers of a cherry tree that bloom in spring
Example
The cherry blossoms bloom beautifully in April.
桜の花は4月に美しく咲きます。
B2 noun ˈlaɪf ɪkˌspek.tən.si

life expectancy

平均寿命
Meaning
The average period that a person may expect to live; the length of time for which something is expected to last or to continue being effective.
Example
Life expectancy depends on healthcare quality.
平均寿命は医療の質に依存します。
C2 adjective /ɑːrˈθʊr.i.ən/

arthurian

アーサー王に関連する
Meaning
Relating to the legendary King Arthur and the stories surrounding him.
Example
The novel is set in an Arthurian world of knights and castles.
その小説は、騎士と城が存在するアーサリアンの世界に設定されています。
C2 noun /ˌænɪˈmɒmɪtər/

anemometer

アネモメーター
Meaning
An instrument used to measure the speed and direction of wind.
Example
The scientist used an anemometer to record the wind speed during the storm.
科学者は嵐の間に風速を記録するためにアネモメーターを使用しました。
A2 adjective /ɪmˈbærəst/

embarrassed

恥ずかしい
Meaning
feeling awkward, ashamed, or self-conscious about something
Example
He felt embarrassed when he forgot her name.
彼は彼女の名前を忘れたとき、恥ずかしいと感じた。
B1 verb /tʃuː/

chew

幸せ
Meaning
to bite food into smaller pieces with your teeth before swallowing it
Example
You should chew your food properly to help with digestion.
彼女は賞を受け取ったとき、自分の幸せを隠せませんでした。
C2 noun /ˈʌmbrɪdʒ/

umbrage

怒り, 不満
Meaning
A feeling of resentment or offense.
Example
She took umbrage at his rude remark.
彼女は彼の無礼な発言に怒りを感じた。
A1 adjective /ˈɪntrəstɪŋ/ or /ˈɪntəˌrɛstɪŋ/

interesting

面白い
Meaning
Arousing curiosity or attention; holding one’s interest.
Example
The documentary about space was very interesting.
宇宙についてのドキュメンタリーはとても面白かった。
B2 adverb /ˌɑːrtɪˈfɪʃəli/

Artificially

人工的に;
Meaning
by artificial means; not naturally; in a fake manner
Example
The lake was artificially created for irrigation purposes.
その湖は灌漑目的で人工的に作られました。
C2 noun /hoʊ/

Hoe

クワ
Meaning
a gardening tool with a thin metal blade used for breaking up soil and removing weeds
Example
The farmer used a hoe to remove weeds from his vegetable garden.
農夫は野菜畑から雑草を取り除くためにクワを使いました。
B1 noun /rɪˈtaɪə.mənt/

Retirement

退職
Meaning
the action or fact of leaving one's job and ceasing to work; the period of life after leaving work
Example
He is planning his retirement after 40 years of service.
彼は40年間の勤務の後、退職を計画しています。
B1 noun /ˈθʌn.dər/

Thunder

雷鳴
Meaning
the loud rumbling sound that follows lightning; to make a loud deep sound
Example
We heard thunder rolling across the sky.
空を横切る雷鳴を聞きました。
A2 noun /ˈʃaʊər/

shower

Meaning
a brief fall of rain or snow or a device for taking a bath or washing oneself
Example
After the workout, I took a quick shower to refresh myself.
C2 adjective /ˈvɜːrnəl/

vernal

春の
Meaning
related to spring; fresh, youthful
Example
The garden was filled with vernal beauty after the long winter.
長い冬の後、庭は春の美しさで満たされていました。
C1 verb /ˈɑːrbɪtreɪt/

arbitrate

仲裁する
Meaning
to settle a dispute between two parties by acting as an impartial judge
Example
The committee agreed to arbitrate the contract dispute.
委員会は契約紛争を仲裁することに同意しました。
C1 noun /ˈvænɡɑːrd/

vanguard

先駆者
Meaning
the forefront of an action, movement, or military force
Example
The company is at the vanguard of technological innovation.
その会社は技術革新の先駆者です。
C1 adjective /stjuːˈpɛndəs/

stupendous

素晴らしい
Meaning
extremely impressive; amazing in size, degree, or excellence
Example
The magician’s performance was simply stupendous.
マジシャンのパフォーマンスはまさに素晴らしいものでした。
C1 verb /ˈɒp.tɪ.maɪz/

optimize

最適化する
Meaning
To make the best or most effective use of a situation, opportunity, or resource.
Example
The company is working to optimize its supply chain.
会社はサプライチェーンの最適化に取り組んでいます。
C2 adjective /ˈkoʊltɪʃ/

coltish

Meaning
Playful, energetic, and not fully mature or disciplined.
Example
The coltish boy ran around the field without a care.
C2 noun/verb /ˈlɛv.ən/

leaven

発酵剤
Meaning
a substance, typically yeast, that causes dough to rise; to permeate and modify
Example
A little yeast will leaven the bread dough.
少しのイーストがパン生地を膨らませる。
B2 noun/verb /ˈɡreɪzɪŋ/

grazing

草を食べる
Meaning
The act of animals eating grass in a field; also lightly touching or scraping against something.
Example
Cows were grazing peacefully in the meadow.
牛たちは牧草地で平和に草を食べていました。
C2 adjective /kəˈnaɪ.vɪŋ/

conniving

陰険な
Meaning
secretly scheming or plotting to help in wrongdoing
Example
He is a conniving politician who manipulates people for power.
彼は権力のために人々を操る陰険な政治家です。
C1 adjective /ɪnˈɡreɪnd/

ingrained

根強い
Meaning
Firmly fixed or established; deeply rooted and difficult to change.
Example
His ingrained habits were hard to break.
彼の根強い習慣は壊すのが難しかった。
B1 verb /ɪnˈʃʊər/

ensure

確実にする
Meaning
To make certain that something will happen or be the case.
Example
Please ensure that the door is locked before you leave.
出発前にドアが閉まっていることを確認してください。
C1 noun /ˈælɪɡəri/

allegory

寓話
Meaning
a story, poem, or picture that can be interpreted to reveal a hidden meaning, often moral or political
Example
The novel is an allegory of the struggle between good and evil.
その小説は善と悪の闘争の寓話です。
C1 noun, adjective /ˈsɒlvənt/

solvent

溶剤, 債務を支払う能力
Meaning
a liquid that dissolves other substances; also means able to pay debts
Example
Acetone is a common solvent used in laboratories.
アセトンは実験室でよく使われる溶剤です。