Traditional: 萬一
万一 (wàn yī) means “just in case; if by any chance; contingency”. It is an HSK 5 Chinese word (traditional 萬一) in the HSK 3.0 vocabulary.
Practice each character:
万一下雨,我们就不去了。
Wànyī xiàyǔ, wǒmen jiu búqù le.
In case it rains, we won't go.
Updated: 2026-05-27