鬼鬼祟祟

Explanation: Miranda: The ancients imagined that the evil ghost or ghost person. Refers to the actions secret, not openly. 　　Usage: Joint type; as predicate, attributive, adverbial; containing derogatory 　　Source: Qing Cao Xueqin's "Dream of Red Mansions" 31 back: "Do not call me to make you ashamed of it! You are doing something sneaky, no hiding I go." 　　Examples: Do not call me ashamed for you, and you ~ doing those things, no hiding I go. (Qing Cao Xueqin's "Dream of Red Mansions" thirty-back) Thesaurus:  secret act, unable to give a convincingexplanation for self-defense, A mouth Nanbian, Tibetan monkeys Mountain, Peru without speaking, be hard to state what ails one in the mird, stick in one's throat, A mouth wordless, Bitter wordless, There I was difficult to separate