Definition
an expression used to urge someone to move faster or speed up their actions
動作快些；加緊些
If we want to arrive on time, shake a leg!
如果我們想準時到達，動作快點！
She urged the kids to shake a leg since they were already late.
她催促孩子們動作快點，因為他們已經遲到了。
During the match, the coach told the players to shake a leg.
比賽期間，教練告訴球員們動作快點。