2 sentences

1. 他在车祸后一直昏迷不醒。

   tā zài chē​huò hòu yī​zhí hūn​mí bù xǐng.

   He has been in a coma since the car accident.

   Source: Dong Chinese Dictionary

2. 他为何昏迷不醒？

   tā wèi​hé hūn​mí bù xǐng?

   Why is he unconscious?

   Source: OpenSubtitles