没用 沒用

跟他吵没用。

gēn tā chǎo méi yòng。

It's no use arguing with him.

再问他也没用。

zài wèn tā yě méi yòng。

It is no use asking him again.

借口是没用的。

jiè kǒu shì méi yòng de。

There's no use making excuses.