昧己瞒心

Explanation: That do bad things against their conscience. 　　Source: Yuan Yang was the "Xiaoxiang Rain" Third off: "He he he, te very toxic, the courage to dare to dare, have been full of ignorant, and my plans." 　　Examples: Moreover, between flesh and blood, so ~, the most debilitating. ★ "first moment Pai An Jing Qi" Volume Three