事
先
About
The word 事先 is formed by combining the character 事, meaning "matter" or "affair", with 先, meaning "before" or "prior"; the compound literally denotes "before the matter" and conveys the meaning of doing something beforehand or in advance.
Example Sentences Hide
我们事先做好了计划。
如果你事先告诉我,我就不会迟到了。
为了会议顺利进行,我们事先检查了设备。
由于事先没有充分准备,他的演讲效果不太理想。
尽管事先已经反复沟通,但在实际执行过程中还是出现了意想不到的问题。