2 sentences

1. 他当时悲伤过度，几至昏厥。

   tā dāng​shí bēi​shāng guò​dù, jī zhì hūn​jué.

   He was so overcome with grief at the time that he almost fainted.

   Source: Dong Chinese Dictionary

2. 他由于失血过多而陷入昏厥。

   tā yóu​yú shī​xuè guò duō ér xiàn​rù hūn​jué.

   He fell into a faint due to excessive blood loss.

   Source: Dong Chinese Dictionary