3 sentences

1. 他在人世已无任何亲人。

   tā zài rén​shì yǐ wú rèn​hé qīn​rén.

   He has no relatives left in the world.

   Source: Dong Chinese Dictionary

2. 真希望他还在人世。

   zhēn xī​wàng tā hái zài rén​shì.

   I wish he were still alive.

   Source: OpenSubtitles

3. 我已经不在人世了。

   wǒ yǐ​jīng bù zài rén​shì le.

   I'm no longer among the living.

   Source: OpenSubtitles