忍心害理 rěnxīnhàilǐ to commit crimes in cold blood Origin Definitions Defs Strokes Stroke Words Sentences Sents 忍心 rěnxīn hard-hearted (bound form) Unfeeling, cruel, or merciless.害 hài verbnoun to harm to do harm to; to injure; to cause trouble for; to result in someone suffering a loss理 lǐ verbnoun reason reason; logic; truth; a law or principle governing how things work