HSK 5
事先
shìxiān名
in advance; before the event; beforehand; prior
我们事先准备好了材料。
Wǒ men shì xiān zhǔn bèi hǎo le cái liào.
We prepared the materials in advance.
Say it
Hold the button, say it, then let go.
Other HSK words sharing a character
Also free:
New in the HSK 3.0 word list at level 5.