flag1/flæg; flæɡ/n [C] 1 a piece of cloth with a picture or pattern that is used as the sign of a country or organization 旗﹐旗帜: the French flag 法国国旗Children waving flags greeted the Russian leader. 孩子们挥舞着旗帜欢迎俄罗斯领导人。2 a piece of coloured cloth used in some sports as a sign or signal〔某些体育运动中的〕信号旗: The flag went down and the race began. 信号旗落下﹐比赛开始了。
flag2v [I] flagged , flagging to become tired or weak 疲倦﹔变虚弱: By the end of the meeting we had begun to flag. 会议结束时我们已经开始没精神了。 —flagging adj flag sb/sth down phr v to make the driver of a vehicle stop by waving at them 挥手拦下〔车辆〕: I flagged down a taxi. 我挥手拦下一辆计程车。