During the fight with a rival gang he lashed out with his flick knife.
和对立帮派群殴时，他用弹簧刀猛烈攻击。
《柯林斯英汉双解大词典》
2
The fight was started by a gang of youths.
这场打斗是一伙少年挑起来的。
《牛津词典》
3
Ponyboy Curtis is one of the main characters. He is a part of a gang of teenagers called the Greasers. They meet up with the rival gang and the fight begins. One of the enemies is killed.