一、作及物动词

1、permit sb to do sth    允许某人做某事

They permitted her to leave.

他们允许她离开.

2、(不用被动式，常用物做主语)允许，容许

These stores do not permit sales of alcoholic beverages.

这些商店不准出售含酒精饮料.

二、作不及物动词，意为：允许，容许

We'll discuss both questions if time permits.

如果时间允许,我们将把两个问题都讨论一下.

三、作名词，意为：许可证，执照

Have you got a permit to fish in this lake?

你有在这个湖里钓鱼的许可证吗?