273. 同时爱上海伦使这两个好朋友成了情敌。

[误] Falling in love with Helen simultaneously makes these two good friends become competitors in love.

[正] Falling in love with Helen simultaneously makes these two good friends become rivals in love.

注：rival in love 是固定搭配。而且，competitor 多用于比赛等特定环境中的竞争对手，而 rival 的使用范围则较
为宽泛与笼统。例如：business rival（商业上的竞争对手)；a violinist without rivals（无与伦比的小提琴家）等。