(一).(Would you) Care for some coffee?你喝咖啡吗？

I guess we，re finished with the meal.
我们差不多吃完了。
Would you care for some coffee now?
你想来杯咖啡吗？

(二).Let me buy you a drink.我请你喝一杯。

You look tired. Let me buy you a drink.
你看起来很累，我请你喝一杯吧。
Thanks. I'll have a bottle of beer, please.
谢谢，请给我一杯啤酒。