HSK 3 · adverb
先
first; before
你先吃，我等一下。
Nǐ xiān chī, wǒ děng yíxià.
You eat first; I'll wait a moment.
先生，你要买什么？
Xiānsheng, nǐ yào mǎi shénme?
Sir, what would you like to buy?
先吃饭，然后写作业。
Xiān chīfàn, ránhòu xiě zuòyè.
Eat first, and then do your homework.
坐飞机前要先过安检。
Zuò fēijī qián yào xiān guò ānjiǎn.
You have to go through the security check before flying.