2 sentences

1. 我们遇到了技术故障。

   wǒ​men yù​dào le jì​shù gù​zhàng.

   We're having technical difficulties.

   Source: OpenSubtitles

2. 由于发生了技术故障，火车的发车时间不得不延迟。

   yóu​yú fā​shēng le jì​shù gù​zhàng, huǒ​chē de fā​chē shí​jiān bù​dé​bù yán​chí.

   The train's departure time had to be delayed due to a technical failure.

   Source: Dong Chinese Dictionary