• n. 杠杆；控製杆
• vt. 用杠杆撬動；把…作為杠杆
• vi. 用杠杆撬
• n. (Lever)人名；(法)勒韋；(英)利弗；(德)萊韋爾

來自拉丁語levare,升起，舉起，來自PIE*legwh,輕的，可舉起的，詞源同light,levitate.引申詞義杠杆。

lever (n.)

c. 1300, from Old French levier (Modern French leveur) "a lifter, a lever," agent noun from lever "to raise," from Latin levare "to raise," from levis "light" in weight, from PIE root *legwh- "light, having little weight; easy, agile, nimble" (cognates: Sanskrit laghuh "quick, small;" Greek elakhys "small," elaphros "light;" Old Church Slavonic liguku, Lithuanian lengvas "light;" Old Irish laigiu "smaller, worse;" Gothic leihts, Old English leoht "light" (adj.)). As a verb, 1856, from the noun.

1. An elevator mechanic can work the machinery directly by turning this lever.

電梯修理工可以轉動這根杠杆直接操作機器。

來自柯林斯例句

2. Press the lever until you hear the catch engage.

壓下擋杆，直到聽到擋掛好。

來自柯林斯例句

3. I put the coin in the machine and pulled the lever.

我把*投入機器，拉動控製杆。

來自柯林斯例句

4. He pushed a lever that speeded up the car.

他掛擋加快了速度。

來自柯林斯例句

5. Push the tiny lever on the lock.

按一下鎖上的小柄。

來自柯林斯例句