黑心 Traditional form: 黑心 Pinyin (reading): hēixīn Definitions: ruthless and lacking in conscience vicious mind full of hatred and jealousy black core (flaw in pottery) Characters: 黑 - black; dark; evil, sinister 心 - heart; mind; soul Traditional characters: 黑 - black; dark; evil, sinister 心 - heart; mind; soul