a handle used to operate a piece of machinery or a vehicle （机器或车辆的）操纵杆，控制杆◆Pull the lever towards you to start the machine. 把操纵杆向你身体一侧拉动以启动机器。
an action or thing that is used to persuade sb to do sth 手段◆The company used every possible lever to secure the deal. 这公司使用一切可能的手段来获得这笔交易。◆a powerful lever for change 促成变革的强力手段