2 sentences for 頭兒 (tóu​r)

1. 我是我们办公室的头儿。

   wǒ shì wǒ​men bàn​gōng​shì de tóu​r.

   I am the boss in my office.

   Source: Tatoeba

2. 哪头儿是西南？

   nǎ tóu​r shì xī​nán?

   Which way is southwest?

   Source: AI Challenger 2017