双簧 [曲艺] a two-man act, with one speaking or singing while hiding behind the other who does the acting; a two-man comic show 唱双簧 give a two-man comic show; collaborate
唱双簧 1.(曲艺) give a two-man comic show, with one speaking or singing while hiding behind the other who does the acting; one sings while the other acts2.(互相配合) collaborate with each other