Pope Benedict denounced what he called "the clouds of evil" over Africa that have brought war and ethnic rivalry, reducing the poor to slavery and depriving "future generations of the resources needed to create a more solid and just society."

VOA: standard.2009.03.22

It reminds one of sibling rivalry.

它让我们想起敌对的兄弟。

耶鲁公开课 - 旧约导论课程节选

What do you think of the rivalry between Yale and Harvard?

你是如何看待耶鲁和哈佛这两所大学之间的竞争关系呢？

耶鲁对比哈佛 - SpeakingMax英语口语达人

Philia Civic friendship civic philia is in other words not without a strong element of what might be thought of as sibling rivalry in which each citizen strives to outdo the others for the sake of the civic good.

公民友情，或说公民,并非不具一般所认为的,手足竞争等强烈元素,即每位公民都努力,要胜过其它人，以谋求城市的利益。

耶鲁公开课 - 政治哲学导论课程节选