1)pull strings behind the scenes;wire-pulling,幕后操纵2)wire-puller,幕后操纵3)pull the strings,在幕后操纵4)mastermind,幕后操纵者5)behind the scene,幕后6)behind the scenes,幕后7)behind the scenes(behind the curtain),幕后8)background policy,幕后决策9)backproject,幕后投影10)backproject,幕后影像