/flæg ||; flæg/noun
[C] a piece of cloth with a pattern or picture on it, often tied to a pole (flagpole) or rope and used as a symbol of a country, club, etc or as a signal 旗;旗子
flag²
/flæg ||; flæg/verb
[I] (flagging;flagged) to become tired or less strong 变得疲累或衰弱
flag sb/sth down to wave to sb in a car to make him/her stop 挥手示意(汽车)停下:
to flag down a taxi挥手示意出租车停下