lift off

To begin flight

发射

The spacecraft lifted off at noon.

航天飞机中午发射

lift a finger (或 hand)

[usu. with negative]make the slightest effort to do something, especially to help someone

（尤指为帮助别人）作举手之劳

he never once lifted a finger to get Jimmy released from prison.

帮吉米出狱的事儿，他连手指也没动一下。

lift his (或 its) leg

(informal)(of a male dog) urinate

(非正式)（公狗）抬腿撒尿

lift fire

To increase the range of artillery fire by elevating the muzzle of a piece.

增大射程：升高炮口以增加大炮火力射程