They got through a sack of potatoes.
他们把一麻袋土豆吃完了。
With a mighty heave he lifted the sack onto the truck.
他用劲一举，把大麻袋扔到卡车上。
Sacks were being loaded onto the truck.
人们正在把麻袋装上卡车。
He got the sack for swearing.
他因说脏话而被开除。
Rome was sacked by the Goths in 410.
罗马在410年遭到哥特人的洗劫。