Definition
to consume all of what you are eating or drinking
全部吃掉；全部喝完
Please finish up your dinner. You can't just leave it like that.
请把晚餐吃完。你不能就这样放着。
We finished up all the drinks at the party, which was very satisfying.
我们在派对上喝完了所有的饮料，这非常令人满足。
He finished up the soup at lunch, clearly enjoying it very much.
他在午餐时喝完了汤，显然非常享受。