resolutely; firmly; ferociously; ruthlessly

callous; heartless; to resolve (to do sth); firm resolve (as in 下狠心[xia4 hen3 xin1])

vicious; malicious; savage

to exert all one's force; all-out effort; CL:股[gu3]

exerting all one's strength

resolutely; firmly; ferociously; ruthlessly

variant of 凶狠[xiong1 hen3]

fierce and vicious

very fierce

you got me!; you win!; you are something!