wave sb / sth ↔ down to signal to the driver of a car to stop by waving at them挥手示意…停车:•People in passing cars tried waving him down.一辆辆车驶过,里面的人挥手示意他停车。wave sb ↔ off phr vto wave goodbye to someone as they leave 挥手送别:•Are you coming to the station to wave me off?你来车站给我送行吗? |