名词可自由参加的竞赛[争]，混战
free-for-all在线翻译
1. 可自由参加的活动;众人同时争抢的情形
A free-for-all is a situation in which several people or groups are trying to get something for themselves and there are no controls on how they do it.
2. 混战;群架;众人都参与的争吵
A free-for-all is a disorganized fight or argument which lots of people join in.
noun
1. a noisy fight in a crowd
Synonym: brawl