"foot the bill" in Chinese (Simplified)
买单付款 (为他人)
Definition
为某事（尤指昂贵或多人消费的）买单或支付全部费用。
Usage Notes (Chinese (Simplified))
属于口语表达，多指有人为大家或大额花费结账。常用于说谁为聚餐、活动等埋单。一般不用在个人的小额消费上。常见句型：'谁来foot the bill?'。
Examples
Who will foot the bill for dinner tonight?
今晚谁来**买单**？
The company will foot the bill for your travel.
公司会为你的出差**买单**。
My parents usually foot the bill when we go out to eat.
我们外出吃饭时，父母通常会**买单**。
Don’t worry about the ticket—I’ll foot the bill this time.
别担心门票，这次我来**买单**。
The government had to foot the bill for the repairs after the storm.
风暴后，政府不得不为修理**买单**。
After seeing the bill, Jack realized he was expected to foot the bill for everyone.
看到账单后，杰克才明白他要为大家**买单**。