没有用英语怎么说？

没有

[词典] not have; there is not; not so ...as; be without; absence;

[例句]没有谁会上你的当。

Nobody will be deceived by you.

没有用

[词典] useless; of no avail; of no use;

[例句]为这事和我吵没有用。

It's no use quarrelling about it with me.