2 sentences

1. 你不是邮差吗？

   nǐ bù shì yóu​chāi ma?

   Aren't you the postman?

   Source: OpenSubtitles

2. 那个老邮差对这一带的路非常熟悉。

   nà gè lǎo yóu​chāi duì zhè yī​dài de lù fēi​cháng shú​xī.

   The old postman is very familiar with the roads in this area.

   Source: Dong Chinese Dictionary