长恶不悛

Explanation: Refers to the long-term evil and refused to repent. 　　Source: "Zuo public six years hidden": "good is not lost, evil is not long, its almost Chen Huan of that long evil Quan, and also from the self." 　　Examples: Its a long time for the first first, tired by the amnesty, ~, and kill many giant beetles reasonable person, since the joint is still executed. ★ Song Li Gang "renew, apply for provincial status, where appropriate at the break summon somebody to surrender thieves"