A night-cap before retiring, sir?

先生，临睡前喝一杯怎么样？

Come in for a night - cap. Well have some music then.

睡前再来喝一杯, 到那时我们将演出一些音乐节目.

Alcohol can also be stimulating , so if you are having a night-cap, drink it two.

含酒精的饮料是很刺激的，所以如果你有睡觉前喝酒的习惯，那么最好提前两个小时喝。