事先

Meaning(adverb)

in advance; before the event; beforehand; prior

Synonyms: 提前, 预先. Opposite: 事后 (afterwards).

Examples

• 来之前请事先打个电话。

  lái zhī qián qǐng shì xiān dǎ gè diàn huà.

  Please call ahead before you come.

• 这件事我事先一点也不知道。

  zhè jiàn shì wǒ shì xiān yì diǎn yě bù zhī dào.

  I knew nothing about it beforehand.

• 我们事先做好了准备。

  wǒ men shì xiān zuò hǎo le zhǔn bèi.

  We prepared in advance.

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