基本解释开绿灯，准许某事发生。同根派生 英汉例句verb [ T ]If we can't do this movie for $5 million, the studio is not going to green-light it. 如果我们不能把成本控制在五百万的话，制片公司是不会开绿灯的。英英字典剑桥英英字典 to give permission for something to happen