拒谏饰非

Explanation: Remonstrance: advice. Refused to persuade others to cover their mistakes 　　Usage: Joint type; as the predicate attribute, clause; containing derogatory 　　Source: Xun "Xunzi Cheng phase": "reject non-remonstrance decorated, stupidity and the same, the country will be trouble." Thesaurus:  make a cart behind closed doors, Whitewash, hide one's sickness for fear of treatment, cover up one's errors by excuses, smarted up