不得不 (bù dé bù) means “have no choice or option but to; cannot but; have to; can't help it; can't avoid”. It is an HSK 4 Chinese word in the HSK 3.0 vocabulary.
Practice each character:
我不得不去。
Wǒ bùdébù qù.
I have to go.
Updated: 2026-05-27