1.flee的基本意思是突然地、迅速地逃离,引申可表示具体事物的消失。
2.flee可用作不及物动词,也可用作及物动词。用作及物动词时,以离开的人、地点或事物作宾语。
3.flee后常接介词into表示“逃至…”,接from表示“从…逃离”。
4.flee的过去式和过去分词是fled。

flee away (v.+adv.)
逃离 run away from
▲flee away
He never flees away at the first sight of danger.他从不一见危险就跑。

flee before (v.+prep.)
逃避 escape from as to avoid sth
▲flee before sth
Mists fled before the rising sun.日出雾散。
The clouds fled before the wind.云在风前飞驰。

flee for (v.+prep.)
逃到 run away to
▲flee sth for sth
The city's population prepared to flee heat for the relative cool of the rivers.该市居民准备逃到天气较为凉爽的江河流域避暑。

flee from (v.+prep.)
从…逃离; 避免 run away from; escape from; avoid
▲flee from sth
Many refugees fled from that country.许多难民逃离了那个国家。
All the animals fled from the fire.所有的动物都逃离了火场。
He fled from his duty.他逃避职责。
The smile fled from her face.她脸上的笑容消失了。

flee to (v.+prep.)
逃到 escape to; run away to
▲flee to sth
The child fled to his mother, looking for comfort and safety.为了舒适和安全,那孩子逃到了母亲身边。
When the bombing started, the population fled to places of safety.轰炸开始时,人们逃到了安全地带。
He fled to the seashore to escape the heat.他跑到海边避暑。

用作不及物动词
▲S+～(+A)
Samuel has fled.塞缪尔已经逃跑了。
They fled in disorder.他们狼狈逃跑。
The enemy soldiers were fleeing in all directions.敌兵四处逃窜。
The robbers tried to flee, but they were caught.强盗试图逃跑,但被抓获了。
用作及物动词
▲S+～+n./pron.
The boy fled the presence of his mother.这孩子见他母亲就跑。
He fled the kidnappers and phoned the police.他从绑架者手中逃脱,给警方打了电话。
He fled the danger.他匆匆逃离了危险。
Why does she always flee any kind of responsibility?她为什么总是逃脱责任。

flee, escape, fly, run away
参见escape条。