暗渡陈仓
engage in sth covertly while making a feint in the open
明修栈道，～do one thing under the cover of another;attack in one direction while making a feint in another
暗渡陈仓àn dù chén cānɡ
指表面上正面迷惑敌人，而从旁侧进行突袭；也比喻暗中所进行的活动。advance secretly by an unknown path, do one thing under cover of another, do sth. secretly, do sth. behind the facade of