get the green light 得到允许

Hello, 各位亲爱的朋友大家好，今天和大家分享的是：

get the green light 得到允许

A: We're going to the pub tonight.Would you like to join us?

B: I'm afraid not. I can't go unless I get the green

light from my father.

(A: 我们今晚要去酒吧。要不要跟我们去呀？)

(B: 恐怕不行。除非老爸能同意，否则我不能去。)