4 sentences

1. 我受伤了，不得不回来。

   wǒ shòu shāng le, bù​dé​bù huí lai.

   I injured myself and had to come back.

   Source: CCMatrix

2. 我们没有时间了，不得不缩短采访。

   wǒ​men méi​yǒu shí​jiān le, bù​dé​bù suō duǎn cǎi​fǎng.

   We ran out of time and had to cut short the interview.

   Source: CCMatrix

3. 那人太虚弱了，不得不拄着拐杖走路。

   nà rén tài xū​ruò le, bù​dé​bù zhǔ zhe guǎi​zhàng zǒu lù.

   The man was so weak that he had to walk with a cane.

   Source: UM-Corpus: Education

4. 我们在大学认识，然后我毕业了，不得不搬到另一个城镇工作。

   wǒ​men zài dà​xué rèn​shi, rán​hòu wǒ bì yè le, bù​dé​bù bān dào lìng yī ge chéng​zhèn gōng​zuò.

   We met in college, and then I graduated and had to move to another town for work.

   Source: CCMatrix