There is a certain amount of friendly rivalry between the teams.

两队间有某种程度上的友好较量。

《牛津词典》

But whether it's a friendly rivalry, or a fight to the death.

但是不管它是友好的竞赛，还是关乎生死的较量。

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But whether it a friendly rivalry or a fight to the death, the end result is the same.

但是不管是友好竞争，还是生死决斗，结果总是相同的。

youdao

Facebook and LinkedIn have maintained a friendly rivalry and lots of overlap among investors and hires since they launched in 2004 and 2003 respectively.

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Sprint may have beaten big ol' Red this time around, but Verizon's not about to let a little friendly rivalry get them down.

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McIlroy has not looked back since claiming the final major of 2012 at the U.S. PGA Championship, and his friendly rivalry with Woods is becoming a feature of the season.

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