affrays
n.(公共场所的)斗殴,骚乱:在公共场所发生的暴力行为,通常涉及两个或更多的人之间的争斗。
例句
the number of people gathered to engage in affrays is large and so is the scale, thus bringing about a bad effect on society;
聚众斗殴人数多,规模大,社会影响恶劣的;