4 sentences

1. 你知道这辆车的车主吗？

   nǐ zhī​dào zhèi liàng chē de chē​zhǔ ma?

   Do you know the owner of this car?

   Source: OpenSubtitles

2. 车主必须购买第三者责任险。

   chē​zhǔ bì​xū gòu​mǎi dì​sān​zhě zé​rèn​xiǎn.

   Car owners must purchase third-party liability insurance.

   Source: Dong Chinese Dictionary

3. 车主回来了。

   chē​zhǔ huí​lai le.

   The car owner is back.

   Source: OpenSubtitles

4. 交警正在核实事故车辆的车主信息。

   jiāo​jǐng zhèng​zài hé​shí shì​gù chē​liàng de chē​zhǔ xìn​xī.

   The traffic police are verifying the owner information of the vehicle involved in the accident.

   Source: Dong Chinese Dictionary