经理终于给了我们开绿灯，可以启动新项目了。

The manager finally gave us the ___go-ahead to launch the new project.

他是一个积极进取的管理者，总是主动提出新想法。

He is a ___go-ahead manager who always takes the initiative to propose new ideas.

交通灯由红变绿，给了我们通行的信号。

The traffic light turned green, giving us the ___go-ahead to cross.