第1个回答 2014-06-05
have no difficulty(in) doing
have no time (in) doing sth.
have no chance(in) doing sth.……
have no +名词+doing都可以
have no time 加to do ,
have no reason to do
have no doubt to do
两者区别,举个例子:
have no time to do sth 没时间做某事
have no difficulty/trouble (in)doing sth作某事没有困难
in可以省略