C2 adjective /ˈkwɛrʊləs/

querulous

不平を言う

Meaning

Complaining in a whining or irritable manner.

Example

The querulous customer kept finding fault with every detail.

その不平を言う顧客は、すべての細部に不満を見つけ続けました。

C2 noun /ˈkwaɪəˌtuːd/

quietude

静けさ

Meaning

A state of stillness and tranquility.

Example

She enjoys the quietude of the countryside.

彼女は田舎の静けさを楽しんでいます。

C2 noun /kwiːn kreɪp ˈmɜːrtəl/

Queen crape myrtle

クイーンクレープマートル

Meaning

A flowering tree with colorful, crepe-like flowers, scientifically known as Lagerstroemia

Example

The Queen crape myrtle bloomed beautifully in the garden with its purple flowers.

クイーンクレープマートルは庭で紫色の花とともに美しく咲きました。

C2 noun kwɔːrk

quark

クォーク

Meaning

A fundamental subatomic particle that combines to form protons and neutrons.

Example

Quarks form protons and neutrons.

クォークは陽子と中性子を形成します。

C2 adjective /ˈkwɒdreɪt/

quadrate

正方形

Meaning

square or nearly square; having four sides or being suited or corresponding to something

Example

The tiles had a neat quadrate shape that made the floor look orderly.

タイルは整然とした正方形の形状をしており、床を整然と見せていました。

C2 noun /ˌkiː ˈviːv/

qui vive

警戒

Meaning

A state of alertness or vigilance.

Example

The guards were on the qui vive during the night.

警備員は夜間、警戒状態にありました。

C2 adjective /kwɪkˈsɑː.t̬ɪk/

quixotic

非常に理想主義的で非現実的な、非実用的な

Meaning

Extremely idealistic, unrealistic, and impractical.

Example

His quixotic dreams often led to disappointment.

彼の非現実的な夢はしばしば失望につながった。

C2 noun /ˈkwɒdrʊpɛd/

quadruped

Meaning

an animal that walks on four feet

Example

Most mammals are quadruped creatures adapted for running and stability.

C2 noun /kwɪˈɛsəns/

quiescence

静止

Meaning

A state of quietness, inactivity, or dormancy.

Example

The volcano has been in a state of quiescence for decades.

火山は数十年間静止状態にあります。

C2 adjective /kwaɪˈesnt/

Quiescent

静止した; 穏やかな; 活動していない;

Meaning

quiet; peaceful; inactive; dormant; at rest

Example

The volcano has been quiescent for over a century.

その火山は百年以上静止した状態です。

C2 noun /ˈkwɪkˌsɪlvər/

quicksilver

水銀

Meaning

Mercury; a liquid metal, or something that is quick and unpredictable.

Example

His mood was as changeable as quicksilver.

彼の気分は水銀のように変わりやすかった。

C2 noun /ˈkwɔːrtoʊ/

quarto

四つ折り本

Meaning

A book size resulting from folding each printed sheet into four leaves (eight pages).

Example

The library has rare Shakespeare quartos.

図書館にはシェイクスピアの珍しいクアート本があります。

C2 verb /kwɒf/

quaff

一気に飲む

Meaning

to drink something heartily or in large gulps, especially an alcoholic drink

Example

He quaffed a mug of ale after the long day.

彼は長い一日の後、ビールを一気に飲んだ。

C2 adjective /kwəʊˈtɪdiən/

quotidian

日常的な、普通の

Meaning

Ordinary or everyday, especially when mundane.

Example

He focused on the quotidian details of family life.

彼は家族生活の日常的な詳細に集中した。

C2 verb, noun /ˈkweɪvər/

quaver

震える

Meaning

To shake or tremble in speaking, typically through nervousness or emotion.

Example

Her voice quavered as she spoke before the crowd.

彼女の声は群衆の前で話すとき震えていました。

C2 noun /kwaɪˈiːtəs/

Quietus

死または死を引き起こすもの; 最後の決着

Meaning

death or something that causes death; a final settlement

Example

The hero received his quietus from the villain's sword.

英雄は悪党の剣から自分のクワイエタスを受け取った。

C2 noun /ˈkwɪzlɪŋ/

quisling

裏切り者

Meaning

A traitor who collaborates with an enemy force occupying their country.

Example

During the war, he was branded a quisling for aiding the invaders.

戦争中、彼は侵略者を助けたため、クイズリングとしてレッテルを貼られました。