记得先洗手才吃饭。

Jìde xiān xǐshǒu cái chīfàn.

Remember to first wash your hands before eating.

先冷静一下，一定会有解决方法的。

Xiān lěngjìng yíxià, yídìng huì yǒu jiějué fāngfǎ de.

First calm down, there must be a solution.

你先走吧，不用等我。

Nǐ xiān zǒu ba, bùyòng děng wǒ.

You can leave first, you don't need to wait for me.