"偶遇"用英语可以表达为"run into"或"chance meeting"。这两个词的来源都可以追溯到中文语言。

"Run into"可以追溯到中文语言中的"碰到"，意思是在某个地方"碰到"某个人，偶然相遇。例句如下：

I ran into an old friend at the mall yesterday. 我昨天在商场里碰到了一个老朋友。

I never expected to run into you here. 我从来没想到会在这里碰到你。

"Chance meeting"可以追溯到中文语言中的"偶然相遇"，意思是指在某个地方没有预计到场的"偶然相遇"。例句如下：

It was a chance meeting that changed the course of my life. 那次偶然相遇改变了我的人生。

Our chance meeting at the park was fate. 我们在公园里的偶然相遇是命运的安排。