free-for-alln.
英 'fri:fɔ,ɔ:l | 美
中文n. 可自由参加的竞赛；任何人可以参加的竞赛\nadj. 对任何人开放的
可自由参加的竞赛；任何人可以参加的竞赛
adj. 对任何人开放的
词根词源
free-for-all (n.)"mass brawl" (one in which all may participate), 1918, from earlier adjective use (1868), especially in reference to open horse races, American English. Earlier as a noun in reference to free-for-all horse and motorcar races.
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