It's no use wishing for the impossible.
企求不可能的'事情是徒劳无益的。
It's no use shouting.
喊也没有用。
I've no use for people who don't make an effort.
我厌恶那些不努力的人。
There's no use protesting, I won't change my mind.
抗议没有用，我决不改变主意。
He's dead and it's no use wishing him alive again.
他死了，希望他死而复生是无济于事的。