蛇蝎心肠

Pinyin: shé xiē xīn cháng Explanation: 蝎：一种毒虫。有蛇蝎一样狠毒的心肠。形容人心狠毒。亦作“蛇蝎为心”。 Source: 元·无名氏《抱妆盒》第二折便是蛇蝎心肠，不似恁般毒害。” Thesaurus:  lick[smack] one's lip, A fair face may hide a foul heart., clothes and hat birds and beasts, rapacity, burn with an ambition, blinded or dulled by greed, Head Livestock Ming, animal, wild or brutish person, a soaring ambition