6 sentences

1. 他开着私家车去上班。

   tā kāi zhe sī​jiā chē qù shàng​bān.

   He drives his private car to work.

   Source: Dong Chinese Dictionary

2. 我是一名私家侦探。

   wǒ shì yī míng sī​jiā zhēn​tàn.

   I'm a private investigator.

   Source: OpenSubtitles

3. ‎你和私家侦探合作过吗？

   ‎ nǐ hé sī​jiā zhēn​tàn hé​zuò guo ma?

   Have you ever worked with a private investigator?

   Source: OpenSubtitles

4. 我们是私家侦探。

   wǒ​men shì sī​jiā zhēn​tàn.

   We are private investigators.

   Source: OpenSubtitles

5. 他是一位经验丰富的私家侦探。

   tā shì yī wèi jīng​yàn fēng​fù de sī​jiā zhēn​tàn.

   He is an experienced private detective.

   Source: Dong Chinese Dictionary

6. 那个私家侦探已经跟踪他好几天了。

   nà gè sī​jiā zhēn​tàn yǐ​jīng gēn​zōng tā hǎo​jǐ tiān le.

   The private investigator has been tailing him for several days.

   Source: Dong Chinese Dictionary