HSK 6
使劲
shǐjìn动
to exert all one's strength
大家一起使劲把车推开。
Dà jiā yì qǐ shǐ jìn bǎ chē tuī kāi.
Everyone pushed the vehicle together with all their strength.
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 6.