lever

1. N-COUNT A lever is a handle or bar that is attached to a piece of machinery and which you push or pull in order to operate the machinery. 控制杆

Push the tiny lever on the lock and let the door lock itself. 推锁上的小控制杆，让门自动锁上。

2. →see also gear lever

3. N-COUNT A lever is a long bar, one end of which is placed under a heavy object so that when you press down on the other end you can move the object. 杠杆

He examined the machine, worked a lever that lifted the lid. 他检查了机器，并使用杠杆打开盖子。

4. V-T If you lever something in a particular direction, you move it there, especially by using a lot of effort. 撬动

Neighbours eventually levered open the door with a crowbar. 邻居们最后用一根撬棍撬开了门。