be careful what you ask for because you may get it?

问题描述:

be careful what you ask for because you may get it?

就是当心自己对某种事物的殷切期盼因为一旦得到它,后果未必会有预想的那么好.叶公好龙就是个例子.叶公在没有龙是非常希望能见之一眼,可一旦看见的结果却和当初预想的大相径庭.