Meaning of shì xiān:
shì xiān
事先
Adverb
in advance; before the event; beforehand; prior
Wǒmen yīnggāi shìxiān jìhuà hǎo lǚxíng de xiángxì rìchéng.
我们应该事先计划好旅行的详细日程。
We should plan the detailed itinerary of the trip in advance.
Wǒmen yào zài huìyì kāishǐ qián shìxiān zuò hǎo zhǔnbèi.
我们要在会议开始前事先做好准备。
We need to prepare before the meeting starts.
Wǒmen xūyào shìxiān zhǔnbèi hǎo suǒyǒu cáiliào.
我们需要事先准备好所有材料。
We need to prepare all the materials beforehand.
Wǒmen yīnggāi zài shìxiān zuò hǎo zhǔnbèi.
我们应该在事先做好准备。
We should make preparations in advance.
