lever

名词 lever:

1. a rigid bar pivoted about a fulcrum
2. a simple machine that gives a mechanical advantage when given a fulcrum
3. a flat metal tumbler in a lever lock
   同义词：lever tumbler

动词 lever:

1. to move or force, especially in an effort to get something open
   同义词：pry, prise, prize, jimmy

1. This lever must serve some ulterior purpose.
   这撬棒准是用於不可告人的目的的。
2. Push hard and the lever will go down.
   用力推就能把控制杆按下去。
3. He employed his knife as a lever.
   他把刀子当杠杆用。
4. 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。
5. Move this lever to change gear.
   换档时扳动这根操纵杆。

lev.er

n.（名词）
A simple machine consisting of a rigid bar pivoted on a fixed point and used to transmit force, as in raising or moving a weight at one end by pushing down on the other.
杠杆：固定于某一枢轴，用来传递力的一种简单的装置，带有一个金属杆，如通过压低一端而举起或移动另一端的重物
A projecting handle used to adjust or operate a mechanism.
操作杆：用来调节或操作某一机械装置的突出把手
A means of accomplishing; a tool:
工具；手段：用来达到目的的手段；工具：
例句：
used friendship as a lever to obtain advancement.
把友谊当作取得晋升的工具

v.tr.（及物动词）
lev.ered,lev.er.ing,lev.ers
To move or lift with or as if with a lever.
以杠杆移动：用或好象用杠杆移动或举起

来源：
Middle English
中古英语
from Old French levier
源自 古法语 levier
from lever [to raise]
源自 lever [举起]
from Latin lev3re
源自 拉丁语 lev3re
from levis [light] * see leg wh-
源自 levis [轻的] *参见 leg wh-