下这么大的雨，我不得不取消了行程。

xià zhème dà de yǔ, wǒ bùdébù qǔxiāo le xíngchéng.

With such heavy rain, I had no choice but to cancel the trip.

为了养家，他不得不同时打两份工。

wèile yǎngjiā, tā bùdébù tóngshí dǎ liǎng fèn gōng.

To support his family, he had no choice but to work two jobs at the same time.

证据摆在面前，她不得不承认自己错了。

zhèngjù bǎi zài miànqián, tā bùdébù chéngrèn zìjǐ cuò le.

With the evidence right in front of her, she had to admit she was wrong.