438　be liable to+名词，be liable for和be liable to do

① be liable to+名词常患……的。

She is liable to bad colds. 她常患重感冒。

② be liable for （尤其在法律上）有偿付责任的。

She was not liable for her son's debts. 她对儿子的债务不负有责任。

③ be liable to do倾向……的，易于……的，习惯于……的。

He is liable to fly into fits of temper. 他易发脾气。

We're all liable to make mistakes. 我们都会犯错误。

I am liable to catch cold if I go out without my overcoat. 我出门不穿大衣易患感冒。

提示

be liable to do 和be apt to do 只表示一般行为，不表示某一次具体行为。