狠心 Traditional form: 狠心 Pinyin (reading): hěnxīn Definitions: callous; heartless to resolve (to do sth) firm resolve (as in 下狠心 (xiàhěnxin)) Characters: 狠 - vicious, fierce, cruel 心 - heart; mind; soul Traditional characters: 狠 - vicious, fierce, cruel 心 - heart; mind; soul