"buy a round" in Chinese (Simplified)
请客一轮（饮料）
Definition
在酒吧或社交场合为你所在小组的每个人请一轮饮料。通常每个人轮流请客。
Usage Notes (Chinese (Simplified))
非正式用语，多用于酒吧或朋友聚会饮酒时。一人请所有人喝一杯，然后轮流请客，不包括食物。不要和“buy a round of applause”混淆。
Examples
It's my turn to buy a round for everyone.
轮到我**请客一轮**了。
He loves to buy a round when he is at the bar.
他在酒吧时喜欢**请客一轮**。
Who wants to buy a round next?
下一个谁要**请客一轮**？
Let's all stay for one more drink, and I'll buy a round.
大家再喝一轮，我来**请客一轮**。
She surprised us by suddenly deciding to buy a round for the whole bar.
她突然决定为整个酒吧**请客一轮**，让我们很惊讶。
If you buy a round, don't forget my usual drink!
如果你要**请客一轮**，别忘了我的常喝的饮料！