狠心 hěn xīn 🔊 callous; heartless + Review this word Meanings hěn xīn callous; heartlessto resolve (to do sth)firm resolve (as in 下狠心[xia4 hen3 xin1]) Its characters 狠hěnruthless; fierce; ferociousHSK 6心xīnheartHSK 4 Words with 狠心 下狠心 xià hěn xīn to resolve (to do sth); to toughen up