That's complete and utter nonsense!

那纯属一派胡言乱语！

《牛津词典》

This, of course, is utter nonsense.

这当然纯属胡言乱语。

《柯林斯英汉双解大词典》

But this is utter nonsense.

但是这是完全的废话。

youdao

All those claims that the sky is falling are utter nonsense.

所有的说天就快塌下来的说法完全就是胡说八道。

youdao

All those claims that the sky is falling are utter nonsense.

所有的说天就快塌下来的说法完全就是胡说八道。

youdao