tricky造句

He and I have talked through this whole tricky problem.
他和我把这个棘手的问题整个儿都讨论清楚了。

It's been a tricky business marketing his new invention.
推广他的新发明一直是件棘手的事情。

But the whole question of aid is a tricky political one.
但是整个援助问题是个非常复杂的政治问题。

• #tricky