adj. 赤手空拳的，不带拳击手套的；不留情面的，毫不让步的
adv. 赤手空拳地，不带拳击手套地；不留情面地，毫不让步地
... dogfight 混战 bare-knuckled 不用拳击手套的... hassle 困难 ...
But Facebook’s bare-knuckled tactics are hardly the thing for fostering community spirit. They are also the kind of practices that invariably prove counter-productive in the long run.
但是Facebook的激进策略很不适合培养社区精神(community spirit)，当然喽，从长远来看这种做法必定适得其反。
But there are times when bare-knuckled politics are inescapable, and now is one of them.
After bare-knuckled bargaining with the city, he won tax breaks to refurbish a rundown hotel near Grand Central Terminal.
Mr Kozlowski looks for people like him bare-knuckled, blue-collar fighters, immersed in the business and not the company bureaucracy.