太晚了，你不要一个人出去。

Tài wǎn le, nǐ búyào yí gè rén chūqù.

It’s too late; you should not go out alone.

他身体不太好，不要让他太累。

Tā shēntǐ bù tài hǎo, bùyào ràng tā tài lèi.

He is not very healthy; don't let him get too tired.

你生气的时候不要乱说话。

Nǐ shēngqì de shíhou bú yào luàn shuōhuà.

When you are angry, don't talk carelessly.