3 sentences

1. 我不得不停下来问路。

   wǒ bù​dé​bù tíng xià​lai wèn lù.

   I had to stop and ask directions.

   Source: CCMatrix

2. 问路往往毫无意义。

   wèn lù wǎng​wǎng háo​wú yì​yì.

   Asking directions is often pointless.

   Source: UM-Corpus: News

3. 如果他问一下路，就不会走失了。

   rú​guǒ tā wèn yī​xià lù, jiù bù​huì zǒu​shī le.

   If he had asked for directions, he wouldn't have gotten lost.

   Source: UM-Corpus: Education