polish off
1．finish quickly很快用完
They were so hungry that it took them only a few minutes to polish off the pie and chips．他们太饿了，只用了几分钟就吃完了馅饼和炸土豆片。
He polished off his work before leaving．他在离开前，匆匆干完了自己的活。
The fighter polished off his opponent in the first round．那拳击手在第1回合就把对手打倒了。
2．complete the decorating work of 装饰竣工
It is a delight for him to polish off every room．将每间屋子都装修一新对他来说是件乐事。