jù jiǔ shí kě yǐ shuō kāi chē chī yào shēn tǐ yuán yīn míng zǎo yǒu shì

拒酒时可以说开车、吃药、身体原因、明早有事。

When declining drinks, you can mention driving, taking medicine, health issues, or having plans early tomorrow morning.