成群結隊 [ㄔㄥˊ ㄑㄩㄣˊ ㄐㄧㄝˊ ㄉㄨㄟˋ; cheng2 qun2 jie2 dui4] making up a group, forming a troupe (idiom); in large numbers as a large crowd ◄ ►