HSK 7-9
空前
kōngqián动
unprecedented
本次展览规模达到空前水平。
Běn cì zhǎn lǎn guī mó dá dào kōng qián shuǐ píng.
This exhibition has reached an unprecedented scale.
Say it
Hold the button, say it, then let go.
Other HSK words sharing a character
Also free:
Appears across levels (7-9) in the HSK 3.0 word list.