Traditional: 難以
难以 (nán yǐ) means “hard to (predict, imagine etc)”. It is an HSK 5 Chinese word (traditional 難以) in the HSK 3.0 vocabulary.
Practice each character:
他的行为难以理解。
Tā de xíngwéi nányǐ lǐjiě.
His behavior is hard to understand.
Updated: 2026-07-18