残杀

残杀	cán shā	to massacre / to slaughter
残	cán	to destroy / to spoil / to ruin / to injure / cruel / oppressive / savage / brutal / incomplete / disabled / to remain / to survive / remnant / surplus
杀	shā	to kill; to slay; to murder; to attack / to weaken; to reduce / (dialect) to smart / (used after a verb) extremely