They believe that they are fighting a just war.

他们相信他们在打一场正义的战争。

《柯林斯英汉双解大词典》

The fighting escalated into a full-scale war.

这场交战逐步扩大为全面战争。

《牛津词典》

Is it worth fighting a big war, in the name of an abstraction like sovereignty?

以象主权这样一个抽象概念的名义，值得打一场大战吗？

《柯林斯英汉双解大词典》

By eighteen sixty-three, America's northern states and southern states had been fighting a bitter civil war for two years.

VOA: special.2009.10.29

So Can you explain that, India and Parkistan fighting a proxy war in Afghnastan?

所以，您能解释一下，为什么说印度和巴基斯坦在打一场代理人战争吗？

普林斯顿公开课 - 国际座谈会课程节选

India, and Parkistan, many would say fighting a proxy war in Afghnastan.

许多人会说印度和巴基斯坦是在打一场代理人战争。

普林斯顿公开课 - 国际座谈会课程节选

The victory of Carlos Ocariz, of the centre-right Justice First party, in the sprawling slums of eastern Caracas, is particularly painful for a government that claims to be fighting a class war on behalf of the poor.

ECONOMIST: Venezuela's regional elections

For years the Army's annual computer-simulated war game has focused on fighting a major war.

CENTERFORSECURITYPOLICY: Rebasing -- and Reequipping -- for Transformation

The killings expose a racial aspect to the war in Mali, which has been hidden by the emphasis on western troops fighting a war against Islamist insurgents, our correspondent says.

BBC: Mali conflict: Army probes summary executions claim