死因

chá qīng tā de sǐ yīn

查清他的死因

find out the cause of his death

sǐ yīn bù míng

死因不明

die in unexplained circumstances

hē jiǔ wéi tā de sǐ yīn

喝酒为他的死因。

Drinking was the death of him.

yàn shī bào gào shang xiǎn shì sǐ yīn wéi zhòng dú

验尸报告上显示死因为中毒。

The autopsy report gave the cause of death as poisoning.

wǒ men bù yīng gāi yǐn cáng wǒ men suǒ jìng ài qīn rén de sǐ yīn

我们不应该隐藏我们所敬爱亲人的死因。

We must not hide the cause of death of our respected families.