餐厅关门了。

Cāntīng guānmén le.

The restaurant has closed.

我有点冷，可以关空调吗？

Wǒ yǒudiǎn lěng, kěyǐ guān kōngtiáo ma?

I'm a little cold, can we turn the air conditioning off?

外面下雨了，快把窗关上。

Wàimiàn xiàyǔ le, kuài bǎ chuāng guānshang.

It's raining outside, quickly close the window.