酸败 Traditional form: 酸敗 Pinyin (reading): suānbài Definitions: (milk) to turn sour (meat, fish) to go off Characters: 酸 - tart, sour; spoiled; acid 败 - failure; to decline, to fail, to suffer defeat Traditional characters: 酸 - tart, sour; spoiled; acid 敗 - failure; to decline, to fail, to suffer defeat