斩波器
chopper
斩草除根
cut the weeds and dig up the roots; remove out the source of the trouble
斩钉截铁
resolute and decisive
斩断术
guillotine amputation
斩光法
rotating sector method
斩首
behead; decapitate; decollate
beheading; decapitate
斩首杀头
decapitation
斩死
slay