levering

1. [C]杠杆 a bar for lifting sth heavy or opening sth, put one end under the thing you want to lift or open, and push the other end
2. [C]操作杆 a thing that you pull or push to make a machine work

1. vt. (用杠杆)移动〔撬开〕 move (sth) with a lever

• move lever移动杠杆
• pull〔push〕 a lever拉操纵杆(开动机器等),(在投票站)拉选票

• operating lever操纵杆
• timing lever定时杆

• brake〔control〕 lever刹车〔操纵〕杆
• gear lever变速装置

• lever rule杠杆定律

• lever along〔away, out, over, up〕撬动,撬起

• lever ...into...用杠杆把…撬进…

release lever解锁手柄；分离杆

lever principle杠杆原理

brake lever制动杆

lever handle手柄；杠杆手柄；杆式手柄；手柄操纵杆

hand lever手柄；手制动杆；柄；手杆

control lever控制杆；操纵杆

lever type adj. 杠杆式

shift lever变速杆

gear lever[机]变速杆

lever arm杠杆臂；活动臂

connecting lever连接棒；连接杆；连接杠杆

lever rule杠杆定则（定律）

valve lever阀门杆；阀杠杆

1. He employed his knife as a lever.
   他把刀子当杠杆用。
2. This lever must serve some ulterior purpose.
   这撬棒准是用于不可告人的目的的。
3. Push hard and the lever will go down.
   用力推就能把控制杆按下去。
4. Move this lever to change gear.
   换档时扳动这根操纵杆。
5. This latest incident may be the lever needed to change government policy.
   最近的事件或许可以作为迫使政府改变政策所需的手段。

1. They managed to lever the door open.
   他们设法撬开了门。
2. We are trying to lever the roots out, but in vain.
   我们试图撬掉这些树根,但没有成功。
3. The worker is levering at the rock.
   工人用杠杆移动岩石。