Market Penetration
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C1 noun /ˈmɑː.kɪt ˌpen.ɪˈtreɪ.ʃən/

Market Penetration

市場浸透
Meaning
A measure of the amount of sales or adoption of a product or service compared to the total theoretical market for that product or service.
Example
High market penetration ensures competitive dominance.
市場浸透が競争優位性を確保する。
B2 verb /dæʃ/

dash

Meaning
to move quickly and suddenly; to strike or break something violently
Example
She dashed across the street to catch the bus.
C2 noun /loʊd/

lode

鉱脈
Meaning
A rich source of something, often a vein of valuable metal in the earth.
Example
The miners discovered a rich lode of silver.
鉱夫たちは豊かな銀の鉱脈を発見しました。
C1 noun /ˈɑːlɪˌɡɑːrki/

oligarchy

寡頭政治
Meaning
A small group of people having control of a country, organization, or institution.
Example
The nation was ruled by a wealthy oligarchy that controlled all resources.
その国は裕福なオリガーキーによって支配され、すべての資源を支配していました。
C1 noun /ˈpɒlɪɡlɒt/

polyglot

ポリグロット
Meaning
a person who knows and can use several languages
Example
She is a polyglot, fluent in English, Spanish, and Bengali.
彼女はポリグロットで、英語、スペイン語、ベンガル語に堪能です。
A2 noun ɪˈmɜː.dʒən.si

emergency

緊急事態
Meaning
A sudden situation that is dangerous or serious and needs immediate attention or action.
Example
A financial emergency can arise at any time.
財政的な緊急事態はいつでも発生する可能性があります。
C2 noun /ˈsɪlvər kɑrp/

Silver carp

銀鯉
Meaning
a large freshwater fish with silvery scales, commonly farmed for food
Example
Silver carp is widely cultivated in fish farms across Asia.
銀鯉はアジアの養魚場で広く養殖されています。
B2 verb /ɪmˈpaʊər/

empower

Meaning
To give someone the power or authority to do something; to make someone stronger or more confident.
Example
Education can empower people to improve their lives.
A1 adverb /ɔːf/

off

オフ
Meaning
away from a place, position, or time; not functioning
Example
He turned off the light before leaving the room.
彼は部屋を出る前に電気をオフにしました。
B2 adjective /pəˈrɛntəl/

parental

親に関連する
Meaning
relating to a parent or parents; characteristic of a mother or father
Example
Parental guidance is important for a child's development.
子供の成長には親のガイダンスが重要です。
A1 preposition /wɪð/

with

と一緒に
Meaning
indicating the person or thing that is accompanying or involved with someone or something else
Example
She went to the market with her friend.
彼女は友達と一緒に市場に行きました。
A1 adjective /ˈsɪmpəl/

Simple

簡単な; シンプル; 複雑でない
Meaning
easy to understand or do; not complicated
Example
This is a simple recipe that anyone can follow.
これは誰でもフォローできる簡単なレシピです。
C2 verb /ˈwaŋɡl/

wangle

巧妙に何かを達成する
Meaning
To achieve something by clever or sometimes dishonest persuasion or trickery.
Example
He wangled a free ticket to the concert.
彼はコンサートの無料チケットを巧妙に手に入れた。
C2 verb /ˈsɪbəleɪt/

sibilate

シューという音で発音する
Meaning
To pronounce with a hissing sound.
Example
The actor sibilated his lines for dramatic effect.
俳優はドラマチックな効果のためにセリフをシューという音で発音しました。
B1 noun /ɪmˈpruːvmənt/

improvement

改善
Meaning
the act of making something better
Example
There has been a significant improvement in his health.
彼の健康には重要な改善がありました。
C1 noun /kənˈdəʊləns/

condolence

お悔やみ
Meaning
An expression of sympathy, especially on the occasion of death.
Example
She offered her sincere condolence to the grieving family.
彼女は悲しみに沈んでいる家族に心からのお悔やみを伝えました。
C1 noun /θiˈɒlədʒi/

theology

神学
Meaning
The study of the nature of God and religious beliefs.
Example
She is pursuing a degree in theology at the university.
彼女は大学で神学の学位を取得しています。
B2 noun /ˈfreʃmən/

freshman

一年生
Meaning
a first-year student at a high school, college, or university
Example
The freshman felt nervous on his first day at university.
一年生は大学での初日に緊張していました。
C1 verb /ˈdɪsləkeɪt/

dislocate

脱臼する
Meaning
To disturb the normal position of something, especially a joint in the body.
Example
He dislocated his shoulder while playing football.
彼はサッカーをしているときに肩を脱臼しました。
B2 noun /ˈdeɪ.tə briːtʃ/

data breach

データ漏洩
Meaning
Unauthorized disclosure of sensitive information through security violation
Example
A data breach exposed millions of users' passwords.
データ漏洩により何百万人ものユーザーのパスワードが公開されました。
C1 noun/adjective /dɪˈtɜː.rənt/

deterrent

抑止力
Meaning
A thing that discourages or is intended to discourage someone from doing something.
Example
A strict law serves as a deterrent to crime.
厳格な法律は犯罪の抑止力として機能します。
B2 noun /əˌbriːviˈeɪʃən/

abbreviation

略語
Meaning
a shortened form of a word or phrase
Example
NASA is an abbreviation for National Aeronautics and Space Administration.
NASA は National Aeronautics and Space Administration の略語です。
B1 noun /ˈwep.ən/

Weapon

武器
Meaning
a thing designed or used for inflicting bodily harm or physical damage
Example
The police found a dangerous weapon at the crime scene.
警察は犯罪現場で危険な武器を発見した。
C1 adverb /ˌðɛərˈɪn/

Therein

その中に;
Meaning
in that place; in that respect
Example
The box contains many treasures, and therein lies its value.
箱には多くの宝物があり、その中にその価値がある。
B1 noun /ˈlænd.skeɪp/

Landscape

風景
Meaning
all the visible features of an area of countryside or land; the art of designing outdoor areas
Example
The mountain landscape was breathtaking with its snow-capped peaks and green valleys.
山の風景は雪で覆われた頂上と緑の谷が息を呑むほど美しかった。
C2 noun /ɪˈlɪksər/

elixir

エリクシール
Meaning
A magical or medicinal potion believed to cure illnesses or grant immortality.
Example
The old legend spoke of an elixir that could grant eternal youth.
古代の伝説は、永遠の若さを与えることができるエリクシールについて語っていました。
C1 adjective /dɪˈstrɔːt/

distraught

動揺した
Meaning
extremely upset and anxious, often to the point of being unable to think clearly
Example
She was distraught after losing her pet.
ペットを失った後、彼女は動揺していた。
C2 adjective /ˌdaɪəˈlɛktɪkəl/

dialectical

弁証法的
Meaning
Relating to the logical discussion of ideas and opinions.
Example
She took a dialectical approach to solve the complex issue.
彼女は複雑な問題を解決するために弁証法的なアプローチを取りました。
C1 adjective dʒuːˈdɪʃ.əs

judicious

賢明
Meaning
Having, showing, or done with good judgment or sense; wise and careful.
Example
A judicious decision can prevent future problems.
賢明な決定は未来の問題を防ぐことができます。
C2 noun /ˈsaɪnɪkjʊər/

sinecure

楽な仕事
Meaning
a position requiring little or no work but giving financial benefit or status
Example
He was given a sinecure at the university as a reward for his loyalty.
彼は大学で忠誠心の報酬として楽な仕事を与えられました。
C2 noun /ˈhæknɪ/

hackney

貸し馬, 陳腐な
Meaning
a horse kept for ordinary riding or hire; also used for something overused or trite
Example
The old hackney was still pulling the carriage.
その古い貸し馬は今でも馬車を引いていた。
C1 adverb /əˈlɜːrtli/

alertly

注意深く
Meaning
in a watchful, attentive, and quick-to-notice manner
Example
She listened alertly to every sound in the dark forest.
彼女は暗い森であらゆる音を注意深く聞いていた。
C2 verb /dɪsˈbɜːrs/

disburse

分配する
Meaning
to pay out money, especially from a fund
Example
The organization will disburse the funds to the affected families.
その団体は影響を受けた家族に資金を分配します。
C2 verb, noun /ˈɡoʊld.brɪk/

goldbrick

仕事を避ける
Meaning
to avoid work or duty; a person who shirks responsibility
Example
He was accused of goldbricking while the rest of the team worked hard.
彼は仕事を避けていると非難されたが、他のチームは一生懸命働いていた。
C1 verb /præns/

prance

誇らしげに歩く
Meaning
To move with high, springy steps, often to show off or attract attention.
Example
The horse pranced around the field gracefully.
その馬は誇らしげにフィールドを歩いていました。
B2 verb /rɪˈzɛmbəl/

resemble

似ている
Meaning
to look like or be similar to something or someone
Example
She resembles her mother in both appearance and mannerisms.
彼女は見た目と仕草の両方で母親に似ています。
C2 adjective /mæɡˈnæn.ɪ.məs/

magnanimous

寛大, 気前が良い, 寛容
Meaning
Very kind and generous, especially towards a rival or someone less powerful than oneself.
Example
His magnanimous nature made him respected by all.
彼の寛大な性格は彼を皆から尊敬される存在にしました。
B2 noun /dɪˈstrækʃənz/

distractions

気を散らすもの
Meaning
Things that prevent someone from concentrating on something else.
Example
Eliminate distractions for better productivity.
生産性を高めるために、気を散らすものを排除してください。
C1 noun /ˈbɪɡətri/

bigotry

偏見
Meaning
Intolerance toward those who hold different opinions or lifestyles.
Example
Her bigotry prevented her from accepting people with different beliefs.
彼女の偏見は、異なる信念を持つ人々を受け入れることを妨げていた。
C2 noun /sɪˈkwiːlə/

sequela

後遺症
Meaning
A condition that is the consequence of a previous disease or injury.
Example
Lung scarring can be a sequela of severe pneumonia.
肺の瘢痕は重度の肺炎の後遺症である可能性があります。
B2 noun /ˌpɪə.riˈɒd.ɪ.kəl/

periodical

雑誌
Meaning
a magazine or journal published at regular intervals
Example
She subscribed to a science periodical.
彼女は科学雑誌を購読しました。
C2 noun /ˈhæbɪtənt/

habitant

住民
Meaning
An inhabitant; a person or animal that lives in a particular place.
Example
The habitants of the village were friendly and welcoming.
村の住民は親切で歓迎してくれました。
B2 noun /ˈsiː.mən/

Seaman

船員
Meaning
a person who works on a ship; sailor
Example
The experienced seaman navigated the ship through the storm.
経験豊富な船員は嵐の中で船を操縦しました。
A1 noun ˈstjuː.dənt

student

学生
Meaning
A person who is studying at a school or university.
Example
Students participated actively in the protests.
学生たちは抗議活動に積極的に参加しました。
C2 noun /ɪˈlɪziəm/

elysium

エリシウム
Meaning
A place or state of perfect happiness; in Greek mythology, the afterlife paradise.
Example
For her, the garden was a personal elysium.
彼女にとって、その庭は個人的なエリシウムでした。
A2 adjective /braɪt/

Bright

明るい
Meaning
giving out or reflecting much light; vivid in color
Example
The artist used bright colors in her painting.
そのアーティストは絵画に明るい色を使いました。
C2 verb /lʌɡˈʒʊrieɪt/

luxuriate

贅沢を楽しむ
Meaning
to enjoy something in a self-indulgent way; to take pleasure in great comfort
Example
She luxuriated in the warm bubble bath after a long day.
長い一日の後、彼女は暖かいバブルバスで贅沢を楽しんでいた。
C1 noun /ˈsɜːrəɡət/

surrogate

代理人
Meaning
A substitute, especially a person deputizing for another in a specific role or office.
Example
The surrogate mother gave birth to the child after carrying it for nine months.
代理母は九か月間子どもを妊娠してから子どもを出産した。
C2 noun /nɑːrˈsɪsəs/

narcissus

ナルシスの花
Meaning
A type of flowering plant with yellow or white blooms, often associated with self-love from Greek mythology.
Example
A narcissus bloomed in the garden during spring.
春に、庭でナルシスの花が咲きました。
C2 adjective /ˈbɪbjələs/

bibulous

酒好き
Meaning
Excessively fond of drinking alcohol.
Example
His bibulous habits worried his family.
彼の酒好きな習慣は家族を心配させた。
B1 noun /θiːm/

theme

テーマ
Meaning
A subject or topic of discourse or artistic representation.
Example
The theme highlighted resilience and sustainability.
テーマはレジリエンスと持続可能性を強調しました。
C1 verb /ɡeɪp/

gape

口を開けて見つめる
Meaning
to stare with mouth wide open; to be wide open
Example
The crowd gaped at the amazing magic trick.
観客は驚くべき魔法のトリックを見て口を開けていました。
B2 verb, adjective /ɪˈlæbəreɪt/ (verb), /ɪˈlæbərət/ (adjective)

elaborate

詳しく説明する / 複雑で詳細なデザイン
Meaning
verb: to explain something in detail; adjective: detailed and complicated in design
Example
She asked him to elaborate on his proposal.
彼女は彼に提案について詳しく説明するように頼んだ。
C2 noun /ˈkedʒ.ə.riː/

Kedgeree

ケジリー
Meaning
a European dish of cooked rice, fish, and hard-boiled eggs, originally from India
Example
The breakfast menu featured traditional kedgeree with smoked haddock and eggs.
朝食のメニューには、スモークハドックと卵が入った伝統的なケジリーがありました。
C2 adjective /ˌɪndɪˈsɒljʊbl/

indissoluble

解消できない
Meaning
Unable to be destroyed, broken, or dissolved.
Example
Marriage was once considered an indissoluble bond.
結婚はかつて解消できない絆と見なされていました。
A2 adjective /ɪmˈpɑːsəbl/

impossible

不可能
Meaning
not able to occur, exist, or be done
Example
It is impossible to finish this work in one day.
この仕事を1日で終わらせるのは不可能です。
C2 adjective /ɪˈfjuːsɪv/

effusive

感情的な
Meaning
Expressing feelings of gratitude, pleasure, or approval in an unrestrained or heartfelt manner.
Example
She gave him an effusive welcome after his long journey.
彼女は長い旅の後、彼に感情的な歓迎をした。
B2 verb /kəmˈpraɪz/

comprise

構成する
Meaning
To consist of or be made up of something.
Example
The committee comprises five members.
委員会は五人のメンバーで構成されています。
B2 adjective, noun /ˌɪn.təlˈɛk.tʃu.əl/

intellectual

知的な
Meaning
Relating to the intellect; a person who engages in critical thinking and study.
Example
She enjoys intellectual discussions about philosophy.
彼女は哲学についての知的な議論を楽しんでいます。
B2 adjective /ˈskɑː.lət/

Scarlet

スカーレット
Meaning
a bright red color with a slightly orange tinge
Example
The scarlet roses in the garden looked magnificent in the morning light.
庭のスカーレットローズは朝の光の中で素晴らしく見えました。
C1 noun /ˈkɒndjuɪt/ or /ˈkɑːnduɪt/

conduit

導管 / 手段
Meaning
a channel or pipe for conveying water, electricity, or information
Example
The cable was placed inside a protective conduit.
ケーブルは保護された導管内に配置されました。
C1 verb /bɒmˈbɑːrd/

bombard

Meaning
to attack continuously with bombs, questions, or other forces
Example
Reporters bombarded the minister with difficult questions.
C1 noun /poʊˈɛt.ɪks/

poetics

詩学、詩の理論
Meaning
the study or theory of poetry and its principles
Example
He wrote a book on poetics explaining the art of verse.
彼は詩の技法を説明するポエティクスに関する本を書きました。
A1 noun /ˈdɔː.tər/

Daughter

Meaning
a female offspring; a young woman in relation to her parents
Example
Their daughter graduated from medical school with top honors.
彼らの娘は医学校を優秀な成績で卒業しました。
C1 verb /dɪˈspɜːrs/

disperse

解散する
Meaning
To scatter or spread widely in different directions.
Example
The police used tear gas to disperse the crowd.
警察は群衆を解散させるために催涙ガスを使用しました。
B2 noun /ˈsen.tɪ.piːd/

Centipede

ムカデ
Meaning
a long thin creature with many legs that lives in dark places
Example
I found a centipede crawling under the rock.
私は岩の下でムカデが這っているのを見つけました。
B1 noun /pərˈfɔːrmər/

performer

パフォーマー
Meaning
a person who entertains an audience by acting, singing, dancing, or playing music
Example
The performer received a standing ovation for her song.
パフォーマーは彼女の歌のためにスタンディングオベーションを受けました。
C1 verb /ˌoʊvərˈʃædoʊ/

overshadow

覆い隠す
Meaning
to appear more important or significant than something else, reducing its impact
Example
The scandal overshadowed his achievements.
スキャンダルは彼の業績を影にしました。
C1 adjective /ˈmeɪkˌʃɪft/

makeshift

即席の
Meaning
used as a temporary substitute; improvised
Example
They used boxes as a makeshift table.
彼らは箱を即席のテーブルとして使った。
C1 noun ˌes.kəˈleɪ.ʃən

escalation

急激な増加; 上昇。
Meaning
A rapid increase; a rise.
Example
The escalation of production costs impacts profitability.
生産コストの増加は収益性に影響を与えます。
C2 noun /ˈdoʊtɪdʒ/

dotage

老年
Meaning
The period of old age, especially when one is weak or senile.
Example
He spent his dotage reminiscing about his youth.
彼は晩年を若い頃を思い出して過ごしました。
C1 verb /ˈrʌf.l̩/

ruffle

Meaning
to disturb the smoothness of something; to annoy or upset someone
Example
The wind ruffled her hair.
C1 noun ˌflʌk.tʃuˈeɪ.ʃən

fluctuation

変動
Meaning
An irregular rising and falling in number or amount; a variation.
Example
The stock market experiences frequent fluctuation.
株式市場は頻繁に変動します。
C1 noun /ˌɑːr.kəˈpɛl.əˌɡoʊ/

archipelago

群島
Meaning
A group of islands clustered together in a body of water.
Example
Indonesia is an archipelago with thousands of islands.
インドネシアは何千もの島々が集まった群島です。
C1 adjective /ɪˈrɛfjʊtəbəl/

Irrefutable

反論できない
Meaning
impossible to deny or disprove; undeniable
Example
The evidence against him was irrefutable.
彼に対する証拠は否定できないものでした。
B2 verb /ˈtrɪɡər/

trigger

引き金
Meaning
To cause something to happen or start, often suddenly.
Example
The loud noise triggered the alarm system.
大きな音がアラームシステムをトリガーした。
C2 noun /ˈfiːæt/

fiat

命令、布告
Meaning
an official order or decree; authoritative command
Example
The new policy was enacted by royal fiat.
新しい政策は王の命令で実施されました。
C2 noun /bʊr/

Boor

野蛮人; 無礼な人
Meaning
a rough and bad-mannered person; someone who lacks refinement or culture
Example
The wealthy businessman was actually a boor who showed no respect for others.
その裕福なビジネスマンは実際には他の人々に対して敬意を示さなかった野蛮人でした。
C2 verb /dɪsˈbɑːr/

disbar

弁護士を法曹界から正式に除外する
Meaning
to officially remove a lawyer from the legal profession
Example
The corrupt lawyer was disbarred for unethical conduct.
腐敗した弁護士は非倫理的な行動により除外されました。
C2 adjective /dɪsˈkʌmfɪtɪŋ/

discomfiting

不快な
Meaning
Causing unease, embarrassment, or discomfort.
Example
His discomfiting questions made everyone shift uncomfortably in their seats.
彼の不快な質問は、皆が座席で不安そうに動かせるようにさせた。
C2 noun /eɪˈklɑː/

eclat

大成功
Meaning
Brilliant success, acclaim, or great public approval.
Example
The artist's debut performance was met with great éclat.
アーティストの初めてのパフォーマンスは大成功を収めました。
C2 noun /ˌæpəˈrɪʃən/

apparition

幻影
Meaning
A ghostly figure or an unusual or unexpected appearance.
Example
The children were frightened by the sudden apparition in the old house.
子供たちは古い家で突然現れた幻影に驚きました。
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。
B2 verb /ˌdɪfəˈrɛnʃieɪt/

differentiate

区別する
Meaning
To recognize or make a distinction between things.
Example
It is important to differentiate between fact and opinion.
事実と意見を区別することは重要です。
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。
B2 adverb /bɪˈfɔːr.hænd/

Beforehand

前もって; 事前に; あらかじめ
Meaning
in advance; ahead of time; earlier
Example
We prepared everything beforehand.
私たちは前もってすべて準備しました。
A2 noun /ˈkɒmədi/

comedy

コメディ
Meaning
A type of entertainment that is intended to make people laugh.
Example
We watched a hilarious comedy at the theater.
私たちは劇場で面白いコメディを見ました。
B1 verb /ʃaʊt/

shout

叫ぶ
Meaning
to say something very loudly
Example
He shouted at the top of his lungs to get their attention.
彼は彼らの注意を引くために全力で叫んだ。
B2 verb /əˈvɜːrt/

avert

避ける
Meaning
to prevent something bad from happening or to turn away one's eyes or thoughts
Example
Quick action helped avert a disaster.
迅速な対応が災害を回避する手助けとなった。
B1 adjective /ˈkɒn.stənt/

Constant

一定の; 変わらない; 安定した
Meaning
occurring continuously over a period of time; unchanging; steady
Example
The machine runs at a constant speed.
機械は一定の速度で動作します。
C2 adjective /əˈfɪʃəs/

officious

干渉的な
Meaning
Excessively eager to offer unwanted help or advice; meddlesome.
Example
The officious guard kept interrupting the visitors with unnecessary instructions.
その干渉的な警備員は訪問者に不必要な指示で何度も中断させた。
C2 noun /ænˈtɪstrəfi/

antistrophe

アンチストロフィー (修辞法の一つ)
Meaning
A rhetorical device in which a word or phrase is repeated at the end of successive clauses; in Greek choral poetry, the part of the ode sung by the chorus in return movement.
Example
The poet used antistrophe to emphasize the repeated phrase.
詩人は繰り返されるフレーズを強調するためにアンチストロフィーを使用しました。
C2 noun /ˈreɪləri/

raillery

友好的な冗談
Meaning
good-humored teasing or joking
Example
Their friendship was full of light-hearted raillery.
彼らの友情は軽い冗談で満ちていました。
C2 noun /ˈvaɪsrɔɪ/

viceroy

副王
Meaning
a ruler exercising authority on behalf of a sovereign in a colony or province
Example
The viceroy governed the colony in the king's name.
バイセロイは王の名のもとに植民地を統治しました。
C2 noun /juːˌtrɑː.fɪˈkeɪ.ʃən/

eutrophication

湖やその他の水域における栄養素の過剰
Meaning
Excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen.
Example
Excess fertilizers lead to eutrophication in lakes.
過剰な肥料は湖におけるユートロフィケーションを引き起こします。
C1 noun /ˈæftərˌθɔːt/

afterthought

Meaning
Something added or considered later than originally planned.
Example
The gift seemed like an afterthought rather than a genuine gesture.
B2 noun /ˈdiː.lɪŋ/

Dealing

取引; 処理; 扱い
Meaning
business transactions; the way of treating people or handling situations
Example
His fair dealing with customers earned him an excellent reputation.
顧客との公正な取引が彼に素晴らしい評判をもたらしました。
B2 verb dɪˈtɪrɪəˌreɪts

deteriorates

悪化する
Meaning
To become progressively worse; to decline in quality, condition, or strength.
Example
The quality of air deteriorates due to pollution.
汚染によって大気の質が悪化する。
C2 adjective /ˌpɪkəˈrɛsk/

picaresque

悪党の英雄の物語
Meaning
relating to a style of fiction depicting the adventures of a roguish hero
Example
The novel is a picaresque tale of a clever vagabond.
その小説は賢い浮浪者のピカレスクの物語です。
C2 verb /ˈkænənaɪz/

canonize

Meaning
To officially declare a dead person a saint; to regard as great or significant.
Example
The church canonized the martyr after years of investigation.
C2 verb /fɔːrˈfɛnd/

forfend

守る, 防ぐ, 防止する
Meaning
to protect or defend against something undesirable; to prevent
Example
May good fortune forfend any danger from our journey.
良い運が私たちの旅からどんな危険も防いでくれますように。
C2 adjective /ˈhɔːri/

hoary

灰色の, 古い
Meaning
gray or white with age; very old and respected
Example
The hoary oak tree stood as a witness to centuries of history.
古いオークの木は何世代にもわたる歴史の証人として立っていた。
C1 adjective ɪmˈpɪr.ɪ.kəl

empirical

経験に基づくまたは実証的
Meaning
Based on, concerned with, or verifiable by observation or experience rather than theory or pure logic.
Example
Scientific research relies on empirical evidence.
科学的な研究は実証的な証拠に依存しています。
B2 adjective /ˈpoʊ.lər/

polar

極地の、極に関連する
Meaning
relating to the North or South Pole; opposite in nature or character
Example
Penguins live in polar regions of the Earth.
ペンギンは地球の極地に住んでいます。
C2 noun /kjuːˈpɪdəti/

cupidity

強欲
Meaning
Excessive desire for wealth or possessions; greed.
Example
The king's downfall was caused by his cupidity.
王の没落は彼の強欲によるものであった。
C1 adjective /ɪˈneɪn/

inane

無意味な, 馬鹿な
Meaning
lacking sense, meaning, or significance; silly or pointless
Example
The movie was criticized for its inane dialogue.
その映画は無意味なセリフで批判された。
C2 noun, verb /ˈpɑːrli/

parley

交渉
Meaning
a discussion between opposing sides, especially to negotiate terms
Example
The generals met to parley over the terms of surrender.
将軍たちは降伏条件について話し合うために会った。
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 noun /kəˈmændər ɪn tʃiːf/

Commander-in-chief

最高司令官
Meaning
the supreme leader of a nation's armed forces
Example
The president serves as the commander-in-chief of the military.
大統領は軍隊の最高司令官として務めています。
B2 verb /ˈsʌmən/

summon

Meaning
To order someone to come or to gather courage or strength.
Example
The king summoned his advisors to the court.
C2 noun /bænˈdænə/

bandanna

大きなカラフルなバンダナ
Meaning
A large, often brightly colored handkerchief, typically worn on the head or around the neck.
Example
He tied a red bandanna around his neck.
彼は首に赤いバンダナを結んだ。
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。
B2 noun ˌbaɪ.oʊ.dɪˈvɝː.sə.t̬i

biodiversity

生物多様性
Meaning
The variety of life in the world or in a particular habitat or ecosystem.
Example
Rainforests are home to immense biodiversity.
熱帯雨林は膨大な生物多様性を持っています。
B1 noun /vɒlˈkeɪ.noʊ/

Volcano

幸せ
Meaning
a mountain with an opening through which lava, gas, and ash can escape
Example
The volcano erupted after being dormant for decades.
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。
A2 preposition /wɪðˈɪn/

within

内側
Meaning
inside the limits of something, or as part of a particular space or time
Example
The keys are within the drawer.
鍵は引き出しの中にあります。
C2 adjective /ˈtɪmərəs/

timorous

臆病な
Meaning
showing or suffering from nervousness, fear, or lack of confidence
Example
The timorous student hesitated to ask the teacher a question.
その臆病な学生は、教師に質問するのをためらいました。
B2 adjective /ˈkræŋki/

cranky

機嫌が悪い
Meaning
bad-tempered, easily annoyed, or irritable
Example
The child gets cranky when he is hungry.
その子供はお腹が空くと機嫌が悪くなります。
B2 adjective /hɑːˈspɪtəbəl/

Hospitable

見知らぬ人やゲストに対して親切で歓迎する; ゲストを受け入れることに寛大である
Meaning
friendly and welcoming to strangers or guests; generous in receiving guests
Example
The local people were very hospitable to the tourists.
地元の人々は観光客にとても親切でした。
B1 adjective ˈliː.ɡəl

legal

合法
Meaning
Permitted by law; relating to the law.
Example
Legal systems ensure justice.
法的なシステムは正義を保証します。
C2 verb /ɛnˈfiːbəl/

enfeeble

弱める
Meaning
To make weak or feeble; to deprive of strength.
Example
The long illness enfeebled the old man.
長い病気で老人は弱りました。
C2 adjective /ˌæk.rɪˈmoʊ.ni.əs/

acrimonious

苦くて怒りに満ちた
Meaning
Bitter and angry, often involving harsh words.
Example
The debate turned acrimonious after the controversial remark.
論争は物議を醸す発言の後、アクリモニアスになった。