green light
批准或允许做某事的信号或指示
口语·表达获得批准
英文释义
permission, approval, or signal to proceed or continue with something
例句
We finally got the green light from the boss to start the new project.
典故来源
源自交通信号灯中的绿灯，表示可以通行，后引申为获得许可或批准。