- (informal)
a group of people who are similar in some way, or who spend time together 一群，一队，一伙（有共同之处的人） a little posse of helpers 一小伙帮忙的人 He was sat at a corner table and surrounded by a posse of attentive waiters. 他坐在角落的一张桌子旁，周围是一群细心的侍者。 She arrived at the theatre followed by the usual press posse. 她来到剧院，后面跟着通常的记者队伍。
(in the US in the past) a group of people who were brought together by a sheriff (= an officer of the law) in order to help him catch a criminal （美国旧时由县治安官调集、协助捉拿罪犯的）地方武装团队 - (informal)
a group of young men involved in crime connected with drugs （与毒品有关的）青年犯罪团伙
Word Originmid 17th cent.: from medieval Latin, literally ‘power’, from Latin posse ‘be able’.