I have trouble to learn sth
问题描述:
I have trouble to learn sth
答
to 改为 with
答
have trouble in doing sth.
或者
have trouble doing something
答
不对。应为:I have trouble in learning sth.
答
I have trouble in learning sth
答
I have trouble in learning sth或者learning something
答
不对
是 i have trouble in learning sth