汉英词典
Chinese-English Dictionary
MEANING OF 狠劲
狠劲 (狠勁)
to exert all one's force / all-out effort / CL:股[gu3]
用力,使劲。
hěn () jìn/jìng
EXAMPLE SENTENCES

就是要有这股狠劲

This is the kind of fortitude we must have.