你的皮肤很滑啊！

Nǐde pífū hěn huá a!

Your skin is so smooth!

他从楼梯上滑下来了。

Tā cóng lóutī shàng huá xiàlái le.

He slid down the stairs.

雨后路滑，要小心。

Yǔhòu lù huá, yào xiǎoxīn.

The road is slippery after the rain—be careful.