We consider it no good doing the experiment again without the guide of the teacher.

我们认为没有老师指导，再做这个实验没有用处。

youdao

It is no good doing that.

这样做要不得。

《新英汉大辞典》

It 's no good doing it.

做这件事没有好处。

youdao

It 's no good doing it.

做这件事没有好处。

youdao