3 sentences

1. 他以前整天都在胡言乱语。

   tā yǐ​qián zhěng​tiān dōu zài hú​yán​luàn​yǔ.

   He used to talk nonsense all day.

   Source: OpenSubtitles

2. 他由于高烧而开始胡言乱语。

   tā yóu​yú gāo​shāo ér kāi​shǐ hú​yán​luàn​yǔ.

   He started talking nonsense because of the high fever.

   Source: Dong Chinese Dictionary

3. 请你自重，不要在这里胡言乱语。

   qǐng nǐ zì​zhòng, bù yào zài zhè​lǐ hú​yán​luàn​yǔ.

   Please have some self-respect and stop talking nonsense here.

   Source: Dong Chinese Dictionary