偷鸡摸狗（偷雞摸狗）　

◎ 偷鸡摸狗 tōujī-mōgǒu

(1) [steal;small burglar of the type of dog and chicken thieves]∶指偷盗(多指小偷小摸)

(2) [have illicit sexual relations with women]∶背着自己的配偶和他人乱搞男女关系