不得不 bù dé bù

ㄅㄨˋ ㄉㄜˊ ㄅㄨˋ

HSK 3 TOCFL L3core 10k

1have no choice or option but to

2cannot but

3have to

4can't help it

5can't avoid

tā她bù dé bù不得不hé和zhè这gè个lǎo老nán rén男人jié hūn结婚。

她不得不和这个老男人结婚。

She was obliged to marry the old man.

这些都是你不得不做的吗？

Is that all you have to do?

我们不得不给你一点帮助了

We've got to get you some help.