这个词是fight是什么意思

　　What we want from the management is fighting talk.

　　我们要求资方的是发表战斗宣言。

　　There was heavy fighting in the capital last night.

　　昨晚首都发生了激烈战斗。

　　Each company is fighting to protect its own commercial interests.

　　每家公司都在奋力保护自己的商业利益。