生力军

生力军

Literally means:

fresh force

Actually means:

It refers to the new and combat-worthytroops.

it figuratively refers to a person or a group of people who have just joined in a project and play an active role. It is often used to refer to the new and vita force who join an on-going project that is undertaking by some other people.

新参加作战且战斗力很强的军队。

比喻新加入某项工作或活动并起着积极作用的人或群体。多指新增加的人员参与原先已经有人在做的。