2 sentences

1. 那个穿衬衫的人就是你堂弟。

   nà gè chuān chèn​shān de rén jiù shì nǐ táng​dì.

   The guy in the shirt is your cousin.

   Source: OpenSubtitles

2. 他是我的堂弟，我们从小一起长大。

   tā shì wǒ de táng​dì, wǒ​men cóng xiǎo yī​qǐ zhǎng​dà.

   He is my younger paternal cousin; we grew up together.

   Source: Dong Chinese Dictionary