偶然 (ǒu rán) means “incidentally; occasional; occasionally; by chance; randomly”. It is an HSK 5 Chinese word in the HSK 3.0 vocabulary.
我们在图书馆偶然相遇了。
Wǒmen zài túshūguǎn ǒurán xiāngyù le.
We met by chance in the library.
Updated: 2026-05-27