偷偷摸摸

Explanation: Described without the knowledge of people to do things, afraid to let others know. 　　Usage: Joint type; as predicate, adverbial; containing derogatory 　　Source: Qing Cao Xueqin's "Dream of Red Mansions," the eighty-back what to do and I said, no sneaky, useless. " 　　Results: Big girl guy raised 　　Postscript: Big girl guy raised 　　Riddle: Discover secret Thesaurus:  feline amenity ties, maleficent; harbour concealed intentions; prod sly; with hidden intent, Do not have lung intestine, have evil intentions, In addition to The Figure, Fokouyixin, Do not have a heart, Do not have a heart and liver, entertain dark schemes; with a guilty conscience with misgivings in one's heart, cry with one eye and laugh with the other, to harbor evil intentions Antonym Group:  as deep as a well be carried away, above one's bend, in proud array, far and away Fangfang, heart Desire it, Mind relaxation be carried away, To the Tour in mind, to entertain candor, soft-heart and unable to turn down others' requests, feel excited; let one's thought fly to, helplessness, lament one's littleness before the vast ocean -bemoan one's inadequacy in the face of a great task, gaze anxiously till one's eyes are overstrained, look forward with impatient expectancy, long-cherished, Upright, most welcome, (as) open as the day, buddha heart, burn incense and pray to the gods