Question

It's no use to do sth.这个句子不行么?

这个句子不对么？为什么一定要用doing?

Answer 1

你这个句型是对的
It's no use trying to excuse yourself.
你自己解辩自己是没用的。

It's no use arguing.
争辩是无用的。

It's no use complaining.
抱怨没有用。
It's no use shouting.
叫喊并没有用.
It's no use worrying.
担心也没有用。

It's no use paying court to the director.
向经理献殷勤是没有用的。
It's no use trying to make her hurry.
想催她快点是没用的.

We've decided that it's no use to worry.
我们断定，着急是没有用的。
It's no use praying for the weather to change.
祈求天气变化是徒劳无益的。
It's no use to hide. He is has spilled the beans.
隐瞒是没有用了，他早已泄漏了秘密。

Answer 2

在这个句型中，to是介词，后面一定要跟动词ing形式
译为：“做……是没有用的”。

Answer 3

这是固定搭配