hard to do sth.还是 hard doing sth.Could you please do sth.

问题描述:

hard to do sth.还是 hard doing sth.Could you please do sth.

be hard to do,
It is hard to understand what he said.
要了解他所说的话是很困难的.
对的,
Could you please help me?please 只是使语气更柔和