3 sentences

1. 哥们儿，我做了个疯狂的梦！

   gē​men'ér, wǒ zuò le gè fēng​kuáng de mèng!

   Dude I was having a crazy dream!

   Source: OpenSubtitles

2. 他们几个人是多年的铁杆哥们儿。

   tā​men jǐ gè rén shì duō nián de tiě​gǎn gē​men'ér.

   The few of them have been die-hard buddies for many years.

   Source: Dong Chinese Dictionary

3. 你现在已经不是我哥们儿的女朋友了。

   nǐ xiàn​zài yǐ​jīng bù shì wǒ gē​men'ér de nǚ​péng​you le.

   You're not my friend's girlfriend anymore.

   Source: OpenSubtitles