A gang of boys were setting off fireworks in the street.

一帮男孩子正在街上放烟火。

《牛津词典》

Members of every major street gang, some prison gangs, and outlaw motorcycle gangs (OMGs) have been reported on both U.S. and international military installations.

不论本土还是海外军事设施（基地）都有各大街头帮派，部分监狱黑帮以及非法的摩托帮成员（的踪影）。

youdao

A gang of bastards are wildly shooting on the next street. We must leave this place the soonest.

一帮混蛋在街邻开枪了。我们得赶快离开这里。

youdao

Come on, congratulations. Your gang now was the street cred of a three-year-old.

加油，祝贺你，你们就像是一群三岁大的街头青年。

街头艺术 - SpeakingMax英语口语达人

Although ARA has certainly spent much of its time on high-profile cases referred by prosecutors, police and customs, it has also worked to tackle street-level criminals - from drug dealers and gang members to sellers of counterfeit goods and benefit cheats, in concert with local authorities.

BBC: Analysis

The most dangerous are the "18th Street" gang (also known as M-18), and their main rival, the Mara Salvatrucha (MS-13).

CENTERFORSECURITYPOLICY: Gangs and violence in Central America

Pedro Espinoza, a 19-year-old member of the Hispanic 18th Street Gang, was charged in the killing and could face the death penalty if convicted, the Los Angeles County District Attorney's Office said.

CNN: Football star, 17, slain before he could answer gang