flag down 打信号使停下
- Our car ran out of petrol on the moors but fortunately we were able to flag down a passing motorist who took up to the nearest garage.
我们的汽车在荒野里没有汽油了,不过幸运的是,我们挥手请一位经过的开车者停下,把我们拉最遑的汽车车修理厂去了。 - A policeman flagged down the car with his flash light.
警察挥动闪光灯让那辆车停下。 - Why do we take the flag down at night, when we just have to put it up again in the morning.
既然我们早上还得把旗升上去,那晚上为什么要把它降下来呢?
flag down[ verb ]
signal to stop
<verb.motion>
Let's flag down a cab--it's starting to rainThe policeman flagged down our car