4 sentences

1. 由于伤势过重，他的生命危在旦夕。

   yóu​yú shāng​shì guò​zhòng, tā de shēng​mìng wēi​zài​dàn​xī.

   Due to his severe injuries, his life is hanging by a thread.

   Source: Dong Chinese Dictionary

2. 由于伤势过重，他最终在医院死亡。

   yóu​yú shāng​shì guò​zhòng, tā zuì​zhōng zài yī​yuàn sǐ​wáng.

   Due to the severity of his injuries, he eventually died in the hospital.

   Source: Dong Chinese Dictionary

3. 由于伤势过重，这位病人的生命已经处于垂危状态。

   yóu​yú shāng​shì guò​zhòng, zhè wèi bìng​rén de shēng​mìng yǐ​jīng chǔ​yú chuí​wēi zhuàng​tài.

   Due to the severity of the injuries, the patient's life is in a critical state.

   Source: Dong Chinese Dictionary

4. 你的行李过重了，需要补交运费。

   nǐ de xíng​li guò​zhòng le, xū​yào bǔ​jiāo yùn​fèi.

   Your luggage is overweight and you need to pay extra shipping fees.

   Source: Dong Chinese Dictionary