prior

柯林斯词典

1. ADJ You use prior to indicate that something has already happened, or must happen, before another event takes place. 事先的[ADJ n]
He claimed he had no prior knowledge of the protest. 他声称他事先对那次抗议一无所知。
The Constitution requires the president to seek the prior approval of Congress for military action. 宪法要求总统寻求国会对军事行动的事先批准。
2. ADJ A prior claim or duty is more important than other claims or duties and needs to be dealt with first. 优先的[ADJ n]
The firm I wanted to use had prior commitments. 我选择的那家公司有优先承诺。
3. N a prior probability 先验的[statistics]
4. N the superior of a house and community in certain religious orders (一些宗教教派中的社区)长老; 德高望重者
5. PHRASE If something happens prior to a particular time or event, it happens before that time or event. 在 (某时间或事件) 之前[正式]
A death prior to 65 is considered to be a premature death. 65岁以前的死亡被认为是过早死亡。

You can only withdraw money from this account by prior arrangement with the bank .
It's a pretty steep learning curve when you're thrown into a job with no prior experience .
We reserve the right to make changes to the schedule without prior notice .
Due to a prior engagement Mr Richards is unable to attend .
No prior knowledge of the language is required .