fly the coop

(informal)make one's escape

(非正式)逃跑

fly the flag

fly in the face of

be openly at variance with (what is usual or expected)

悍然不顾；公然违抗

a need to fly in the face of convention.

公然违反习俗的必要。

fly into a rage (或 temper)

become suddenly or violently angry

勃然大怒

fly a kite

(informal, figurative)try something out to test public opinion

(非正式，喻)试探舆论

I thought that I would &B{fly a kite for} a somewhat unfashionable theory.

我想要为有点不合潮流的理论试探一下舆论。

(historical)raise money by an accommodation bill

(史)开融通票据筹集资金

fly the nest

(of a young bird) leave its nest on becoming able to fly

（幼鸟）会飞时离巢

fly off the handle

(informal)lose one's temper suddenly and unexpectedly

(非正式)突然发怒

go fly a kite

[in imperative](N. Amer. informal)go away

(北美，非正式)走开，滚开

die (或 drop) like flies

die or collapse in large numbers

大量地死（或倒下）

people in the area seemed to die like flies in the winter.

这个地区冬天大量死人。

drink with the flies

(Austral./NZ)drink alone

(澳／新西兰)独自饮酒

a fly in the ointment

a minor irritation that spoils the success or enjoyment of something

美中不足之处；令人扫兴的小事

fly on the wall

an unnoticed observer of a particular situation

未被察觉的观察者

like a blue-arsed fly

(Brit. vulgar slang)in an extremely hectic or frantic way

(英， 粗俚)非常兴奋的，紧张忙碌的；疯狂的

there are no flies on ——

used to emphasize a person's quickness and astuteness

（人）机敏精明

I knew there were no flies on her, but I wondered how she had found out.

我知道她很精明，但不明白她是如何发现的。