Hard hearted
Cruel, Chinese idiom, Pinyin is h ě nx ī NL à sh ǒ u, which means cruel heart, vicious means. It's from Xingshi Hengyan by Feng Menglong of Ming Dynasty.
The origin of Idioms
Feng Menglong of Ming Dynasty, the thirty third volume of Xing Shi Heng Yan: "the little lady listened to it, and if she wanted to believe it or not, she saw fifteen Guan coins piled up in front of her. If she wanted to believe it, he had nothing to say to me, and the eldest lady had a good life. How could she be so cruel."
Idiom usage
Liu Zongzhou, who is quite eccentric in his behavior, and Huang, who is quite eccentric in his behavior, refer to this incident. On Huang Zongxi's collection of works of Nanlei in Qing Dynasty
Hard hearted
everything in good order and well arranged - yǒu tiáo bù wěn
perpetrate every conceivable crime and be unpardonably wicked - jí è bù shè