/ˈraɪ.vəl.ri/
a state in which two people, companies, etc. are competing for the same thing 竞争；竞赛；较量
~ (with sb/sth) (for sth)
a fierce rivalry for world supremacy
夺取世界霸权的激烈竞争
~ (between A and B) (for sth)
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。
political rivalries
政治对抗
sibling rivalry (= between brothers and sisters)
兄弟姐妹间的较劲