借刀杀人阴谋使他人与自己的仇人结怨从而利用他人去杀掉仇人。比喻借他人之手害人。英murder with a borrowed knife——make use of another person to get rid of an adversary; murder by means of another's aword; murder with a borrowed knife;
杀人不见血杀人而不留痕迹比喻害人的手段阴险毒辣人受了害还一时觉察不出。例一刮大风……哭啊叫的凄惨极啦——别说还有船主那把杀人不见血的刀逼在你的后脖颈上!——《海市》英kill without spilling blood, kill by subtle means;