I guess all's fair in love and war.

我想，谈恋爱和打仗的时候，什么事情都是合理的。

And if the results were fantastic, well, then all's fair in love and war.

如果整出来的效果很棒，那么好了，在爱与竞争中相关的一切都可以获得公平对待了。

My boss told Jenny he had a crush on her yesterday, I believe that all's fair in love and war, I have to abdicate the office and leave the sad place and my dear Jenny.

昨天老板告诉珍妮说他迷恋着她，我相信在男女交往中，人们是不择手段的，我只有辞职离开这个伤心的地方和我亲爱的珍妮了。