事先

shìxiān

adverb HSK 5 #3,803

Meanings

HSK 1

我事先不知道这件事。

Wǒ shìxiān bù zhīdào zhè jiàn shì.

I didn't know about this in advance.

HSK 3

事先做好准备很重要。

Shìxiān zuòhǎo zhǔnbèi hěn zhòngyào.

It's important to prepare beforehand.

HSK 5

你应该事先了解一下相关规定。

Nǐ yīnggāi shìxiān liǎojiě yíxià xiāngguān guīdìng.

You should look into the relevant rules beforehand.

usage

事先 is more formal than 提前. Both mean 'in advance,' but 事先 emphasizes 'before the event' while 提前 emphasizes 'earlier than scheduled.'

事 shì

先 xiān