
lever
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。)
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。)
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。)