"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.
权威例句
1. You get a big salary incentive and free board and lodging too.
你们能获得大笔激励性薪水,还可享受免费膳宿。
2. The shark was writhing around wildly, trying to get free.
鲨鱼拼命挣扎,试图逃脱。
3. They broke free and made off in a stolen car.
他们挣脱后开着一辆偷来的车逃之夭夭。
4. Some cases of arthritis respond to a gluten-free diet.
无麸质饮食对一些关节炎患者有疗效。
5. Jamaica's socialist government is adopting US-inspired free market practices.