2 sentences

1. 别见外，大家都是自己人。

   bié jiàn​wài, dà​jiā dōu shì zì​jǐ​rén.

   Don't be a stranger; we're all on the same side.

   Source: Dong Chinese Dictionary

2. 既然大家都是一家，就不必见外了。

   jì​rán dà​jiā dōu shì yī​jiā, jiù bù​bì jiàn​wài le.

   Since we're all family, there's no need to stand on ceremony.

   Source: Dong Chinese Dictionary