3 sentences

1. 他是我们的调查员。

   tā shì wǒ​men de diào​chá​yuán.

   He's our investigator.

   Source: OpenSubtitles

2. 你是调查员吗？

   nǐ shì diào​chá​yuán ma?

   Are you the investigator?

   Source: OpenSubtitles

3. 也许这和那个保险调查员有关。

   yě​xǔ zhèi hé nà​gè bǎo​xiǎn diào​chá​yuán yǒu​guān.

   Maybe this has something to do with that insurance investigator.

   Source: OpenSubtitles