你还没了解清楚事情前就别胡说。

Nǐ hái méi liǎojiě qīngchu shìqing qián jiù bié húshuō.

Don’t talk nonsense before you understand what happened.

你胡说，他是不会欺骗我的。

Nǐ húshuō, tā shì bú huì qīpiàn wǒ de.

Nonsense—he wouldn’t lie to me.

别听他的胡说，他在编故事。

Bié tīng tā de húshuō, tā zài biān gùshì.

Don't listen to his nonsense; he's making up stories.