1. C （罪犯有组织的）一帮，一伙　organized group of criminals
2. C （闹事青少年的）一群　 group of especially young men who cause trouble
3. C （工人有组织的）一队，一组　organized group of workers

　gang　是可数集合名词，有单复数形式。当其单数形式用作主语时，如被看作是一个整体，其谓语动词就用单数形式；如强调组成帮派的一个个成员，其谓语动词就用复数形式。

　break up a ～　驱散一伙人
　bust (up) a ～　粉碎某个团伙
　form〔join〕 a ～　结成〔加入〕团伙
　wipe out ～s　消灭犯罪集团
　black ～　司炉，卸煤炭工人队
　chain ～　用铁链拴在一起的囚犯队
　kidnap ～　绑架团伙
　railway repair ～　铁路修筑工人
　section ～　负责保养一段铁轨的工人
　street ～　常在街上聚众闹事的一帮人
　work ～　劳动队
　terrorist ～s　恐怖分子集团
　a ～ of criminals〔prisoners, robbers〕　一伙罪犯〔囚犯，强盗〕
　a ～ of workers　一群工人

　The phone box was vandalized by a gang of youths.　那电话亭被一群少年故意破坏了。
　A whole gang of builders is there tonight.　今晚整队建筑工人都在那儿了。
　The gang are planning a robbery.　那帮罪犯正在计划抢劫。

 ♣ gang, band, circle, crowd, group, herd, host, mass, mob, multitude, set
　参见band条。

1. vt.使结成一帮　 cause to group together into a gang
2. vi.结伙行动；合伙攻击　 move or act as a gang; attack in a gang

　～ together　聚在一起
　～ up　联合起来，结成一帮
　～ up against　联合起来反对，结成一帮反对
　～ up on　联合起来对付，结成一帮对付
　～ up with sb　与某人联合起来一致行动
　～ around sb　聚集在某人的四周
　～ into　结队走进

　The boys ganged together.　那些男孩聚在一起。
　They ganged towards the door.　他们结队向门口走去。
　The boy was frail and never ganged with his fellows at school.　这个男孩身体虚弱，从不和同学们一起玩。
　The foreman ganged the men together.　工头把工人集合起来。
　Children like to gang each other.　孩子们喜欢成群结伙相互攻击。
　He often ganged his pupils to play hide-and-seek.　他经常将学生分成伙玩捉迷藏游戏。

 ♣ gang up　(v.+adv.)
　〈非正〉结伙 work together as a close group，(with or against sb), often in a bad sense
　When those boys start ganging up, you can expect trouble.　那些孩子一结成伙，你就等着麻烦事吧。
　A number of unruly youth ganged up and terrorized the district.　一些不法青年结成一伙，使这个地区充满恐怖。
　She feels that everyone's ganging up against her.　她感到所有的人都结成伙来对付她。
　A group of people ganged up against the man who beat his dog.　一群人聚集起来，制止那个人打他的狗。
　The spokesman said that Australia, Canada and New Zealand would gang up against Britain's joining the Common Market.　发言人说，澳大利亚、加拿大和新西兰会联合反对英国加入共同市场。
　That small nation is afraid that if she makes one false move the other countries may gang up on her.　那个小国担心一旦行动有了差错，别的国家可能会联合起来制裁它。
　The victim had no chance when four or five thugs ganged up on him.　当四五个暴徒联合起来攻击那个受害者时，他就没有任何反抗的机会了。

　［词源］古英语gang（一群人出去旅行）