Shake a leg! 快点去办！（非正式用语）

英文释义

Expression strongly commanding speed and effort (NOTE: somewhat rude)

例句

Since I needed to have my fax sent from my hotel without any delay, when I handed it to the sleepy hotel clerk I looked very serious, frowned a little, and told him to shake a leg!

由于我要及时在宾馆发传真，所以在把传真交给昏昏欲睡的宾馆职工时，我摆出特别严肃的表情，皱着眉头，叫他快点去办。