好词典

lever

UK //ˈliː.vər//US //ˈlev.ɚ//

词源

源自中古英语levour,古法语leveor,最终来自拉丁语levare(举起、减轻),与levis(轻的)相关。

noun

❶ 杠杆,一种利用支点来放大力量的简单机械装置,通常由一根硬杆和一个固定支点组成。

“He used a lever to lift the heavy rock.”

(他用一根杠杆撬起了那块沉重的石头。)

“The seesaw is a type of lever with a fulcrum in the middle.”

(跷跷板是一种支点在中间的杠杆。)

❶ 控制杆,指用于操作机器或设备的把手或杆状部件,常见于交通工具或机械装置上。

“Pull the gear lever to change the car's speed.”

(拉动换挡杆来改变车速。)

“The pilot pushed the control lever forward to increase thrust.”

(飞行员向前推动控制杆以增加推力。)

同义词:handle, bar, switch, control, joystick

verb

❶ 用杠杆撬动或移动某物,通常需要施加力量来改变物体的位置或状态。

“They levered the fallen tree off the road.”

(他们用杠杆把倒下的树从路上移开。)

“She levered herself up from the wheelchair.”

(她借助杠杆作用从轮椅上站起来。)

❶ 比喻通过施加影响力或压力来促成某事,常用于商业或政治语境。

“The company leveraged its market position to negotiate better terms.”

(该公司利用其市场地位来谈判更有利的条件。)

“She's trying to lever more funding for the project.”

(她正试图为这个项目争取更多资金。)

同义词:pry, force, maneuver, influence, manipulate

常见短语

lever of power — 权力杠杆,指能够施加影响力或控制的关键因素或手段。

“Money has always been an important lever of power in politics.”

(金钱一直是政治中重要的权力杠杆。)

lever up — 通过杠杆作用提升,既指物理上的撬起,也比喻通过借力实现增长。

“The startup is trying to lever up its market share with new technology.”

(这家初创企业正试图通过新技术来提升市场份额。)