不期而遇的英语翻译 不期而遇用英语怎么说

不期而遇

[词典] meet sb. accidentaly [unexpectedly; by chance]; chance on [upon]; come [run] across; meet by chance;

[例句]我在图书馆与一位老朋友不期而遇。

I ran across an old friend of mine in the library.