4 sentences

1. ‎你的船失事了吗？

   ‎ nǐ de chuán shī​shì le ma?

   Did your ship wreck?

   Source: OpenSubtitles

2. 由于船只失事，数人沉溺于深海之中。

   yóu​yú chuán​zhī shī​shì, shù rén chén​nì yú shēn​hǎi zhī​zhōng.

   Several people drowned in the deep sea due to the shipwreck.

   Source: Dong Chinese Dictionary

3. 那架客机在飞往上海的途中不幸失事。

   nà jià kè​jī zài fēi​wǎng Shàng​hǎi de tú​zhōng bù​xìng shī​shì.

   The passenger plane unfortunately crashed on its way to Shanghai.

   Source: Dong Chinese Dictionary

4. 救援队正在搜寻那架失事飞机的黑匣子。

   jiù​yuán​duì zhèng​zài sōu​xún nà jià shī​shì fēi​jī de hēi​xiá​zi.

   The rescue team is searching for the black box of the crashed airplane.

   Source: Dong Chinese Dictionary