逃难的英文：
flea for safety
seek safety in flight

参考例句：

Seek refuge; seek shelter
避难;逃难

Evacuees from the battle area
来自战区的逃难者.

flea是什么意思：
n. 跳蚤

There is a dog infested by fleas.
有一只满身跳蚤的狗。

What's the difference between an elephant and a flea?—An elephant can have fleas but a flea can't have elephants.
大象与跳蚤有何区别？——大象可以让跳蚤攀附于身上，而跳蚤则承不起大象。

What's the difference between an elephant and a flea?- - An elephant can have flea but a flea can not have elephant.
大象与跳蚤有何区别？－－大象可以让跳蚤攀附于身上，而跳蚤则承不起大象。

safety是什么意思：
n. 安全；平安；安全设施

There is safety in numbers
人多势众

The death of wolves is the safety of sheep
狼死羊安

In the multitude of counsellors there is safety
谋士多,保安全

seek是什么意思：
v. 寻找；探索；追求；试图，设法；搜索；搜查

They were seeking employment.
他们在找工作。

I'm seeking for the evidence.
我正在搜查证据。

The raven will seek the carrion.
渡鸦爱觅腐尸。