It's bullshit!

"Well, fiddle-dee-dee!"

"哼，胡说八道！"

He's talking (a load of) codswallop.

他（满口）胡说八道.

perfect nonsense, rubbish, etc

纯粹胡说八道、 一派胡言

I'll say you made it all up.

我就说是你胡说八道。

Her silly talk verged on nonsense.

她的蠢话近乎胡说八道。

How can you talk such nonsense?

你怎么会这样胡说八道？

"The third Generation be Goddamned" answered Gant furiously.

“什么第三代，胡说八道

He does talk rubbish.

他确实是胡说八道。

That is utter nonsense.

那完全是胡说八道。

Stuff and nonsense! Don't try to make a fool of me.

胡说八道！你休想糊弄我。

This is rank nonsense.

这是十足的胡说八道。

Don't fall for such nonsense

别听信这种胡说八道。

Codswallop, in my opinion.

但依我看是胡说八道。

His speech was all rot.

他的发言全是胡说八道。

What's he driveling about?

他胡说八道些什么?

That's nonsense, I'm afraid.

恐怕这是胡说八道。

Yeah, they're all just a bunch of nonsense.

是啊，那全是胡说八道。

It's all gammon.

那完全是胡说八道骗人。