这个词是fight是什么意思

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。

She gradually fought her way to the top of the company.

她努力奋斗，逐渐登上公司的`高位。

Come on, you two, fight fair!

得了，你们俩，要按规则比赛！

Police tried to separate the two men who were fighting.

警察力图把两个打架的人分开。

She'll fight like a tiger to protect her children.

她为了保护孩子，可以凶得像只老虎。