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- 事先
事先
shì xiān
Meaning
- in advance
Definition
事情发生之前。
beforehand; in advance; prior to an event.
Usage
用于表示某个动作或情况发生在另一事件之前，通常作状语。
Used as an adverbial to indicate that an action or situation occurs before another event.
Examples
- 1 你需要事先通知我。(You need to notify me in advance.)
- 2 他事先准备好了所有材料。(He prepared all the materials beforehand.)
- 3 事先没有计划，导致会议混乱。(Without prior planning, the meeting was chaotic.)
- 4 请事先确认航班时间。(Please confirm the flight time in advance.)
- 5 他事先并不知道这件事。(He didn't know about this beforehand.)
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