[C,U] the thing that you think is most important and that needs attention before anything else

优先处理的事，当务之急:

The club's priority is to win the League.

该俱乐部首先考虑的是赢得联赛。

The children are our first priority.

孩子是我们的头等大事。

After several burglaries in the area, security is now a high priority (=very important and needing attention soon) .

该地区发生了几宗入室盗窃案以后，治安成了当务之急。

With so little money available, repairs must remain a low priority (=not important and not needing attention soon) .

可用的钱这么少，只好暂时放下维修事宜了。

The customer is high on our list of priorities .

顾客在我们的心目中尤为重要。

List your tasks in order of priority (=most important first) .

按照轻重缓急列出你的工作。

[U] the right to be given attention first and before other people or things

享有优先权:

Buses should have priority over other road users.

公共汽车应比其他交通工具享有优先通行权。

A young person who has finished the course will be given priority over one who has not.

修完课程的年轻人将比没有修完的获得优先考虑。

I want to start work on the garden but the house must take priority .

我想整修花园，不过还是应该先整修房子。

get your priorities right also get your priorities straight, [AmE] to know what is most important and needs attention first

分清楚事情的轻重缓急:

We need to get our priorities right.

我们需要把自己的事情按照轻重缓急分清楚。

before other people or things

优先的:

Members receive priority bookings and reduced ticket prices to all concerts.

会员可以优先预订所有音乐会门票，还能享受优惠票价。