all cats are grey in the dark(或美 at night all cats

(proverb)the qualities that distinguish people from one another are obscured in some circumstances, and if they can't be perceived they don't matter

(諺)貓在夜晚都是灰色（將人們彼此區(qū)分的特性在某些情況下變得模糊，如果察覺不到也就沒關(guān)系）

cat and mouse

a series of cunning manoeuvres designed to thwart an opponent

（挫敗對手的）一系列狡詐策略；貓戲老鼠的把戲

he continues to &B{play cat and mouse with} the UN inspection teams.

他繼續(xù)與聯(lián)合國觀察團(tuán)玩貓戲老鼠的把戲。

a cat may look at a king

(proverb)even a person of low status or importance has rights

(諺)貓也有權(quán)看國王（指即便地位低或不重要的人也有權(quán)利）

fight like cat and dog

(informal)(of two people) be continually arguing with one another

(非正式)兩人爭吵不休

has the cat got your tongue?

said to someone who remains silent when they are expected to speak

你為什么不吭聲？

like a cat on a hot tin roof(英亦作 on hot bricks)

(informal)very agitated or anxious

(非正式)極為焦慮不安，心神不定，如坐針氈

like the cat that's got (或 who's stolen) the cream

(informal, chiefly Brit.)self-satisfied, having achieved one's objective

(非正式，主英)（達(dá)到目的后）沾沾自喜

look like something the cat brought in

(informal)(of a person) look very dirty or dishevelled

(非正式)（人）看上去很臟（或頭發(fā)凌亂）

not have a cat in hell's chance

(informal)have no chance at all

(非正式)完全沒有機(jī)會

put (或 set) the cat among the pigeons

(Brit.)say or do something that is likely to cause trouble or controversy

(英)說，做（可能引起麻煩或爭執(zhí)的事）

see which way the cat jumps

(informal)see what direction events are taking before committing oneself

(非正式)觀望形勢（再做決策）

when (或 while) the cat's away, the mice will play

(proverb)people will naturally take advantage of the absence of someone in authority to do as they like

(諺)貓兒不在，老鼠玩得自在（指趁當(dāng)權(quán)者不在，做自己喜歡做的事情）

Who's she—the cat's mother?

let the cat out of the bag

To let a secret be known.

使秘密泄露