我们在楼下等你。

Wǒmen zài lóuxià děng nǐ.

We are waiting for you downstairs.

他下课后去楼下吃饭。

Tā xiàkè hòu qù lóuxià chīfàn.

He goes downstairs to eat after class.

楼下的咖啡很好喝。

Lóuxià de kāfēi hěn hǎohē.

The coffee downstairs is very good.