1、give the green light
開綠燈，批準(zhǔn) ，相當(dāng)于agree
2、give sb the green light
We are ready to build a great bridge over the river. We are just waiting for the municipal government to give us the green light.
我們已做好了在河上建一座大橋的準(zhǔn)備，現(xiàn)在正等待市政府的批準(zhǔn)。
3、give sb the green light to-v
Mother gave us the green light to go on the camping trip.
母親準(zhǔn)許我們野營旅行。