a green traffic light giving permission to proceed (交通)绿灯 ■(figurative)permission to go ahead with a project (喻)绿灯,许可,准许 the Secretary of State has given the green light for a wind-farm development. 国务部长对一个风力发电场开发项目开了绿灯。
verb
(green-light)[with obj.](chiefly N. Amer.)give permission to go ahead with (a project, especially a film) (主北美)批准(工程项目,尤指影片),给…开绿灯