existing or arranged before something else or before the present situation

先前的; 较早的; 事先安排的;

You do not need any prior knowledge of the subject.

你毋需事先具备该方面的知识。

Changes may not be made without the prior approval of the council.

事先未征得委员会的同意不可以作改变。

Vegetarian meals are provided by prior agreement.

通过事先安排可提供素餐。

Some prior experience with the software is needed.

要求事先熟悉这个软件。

prior warning / notice, a warning or announcement made before something happens

预先警告/通知:

The society must give customers prior notice before changing the cost.

调整价格之前协会必须预先告知消费者。

The bomb exploded without any prior warning .

没有任何预先警告炸弹就爆炸了。

prior to sth, [formal] before

在某事之前，先于某事:

All the arrangements should be completed prior to your departure.

所有安排都应在你离开之前完成。

prior claim, a person's right to something which is considered more important than another person's right to the same thing

优先权:

His own children have a prior claim to the business.

他自己的孩子可以优先获得这家企业。

the man in charge of a PRIORY

小修道院男院长

the priest next in rank to the person in charge of an ABBEY

大修道院副院长

[informal] a previous occasion when someone was found guilty of a crime

犯罪前科:

two priors for homicide

两次蓄意杀人的前科