堂兄弟在英语中叫作"cousin (male)"，其来源于拉丁文"cognatus"，意思是"血亲"。例句：

My cousin and I have been inseparable since we were kids.

我和我的堂兄弟自小就不离不弃。

My cousin is studying to be a doctor.

我的堂兄弟在读医生。

I'm really close with my cousin.

我和我的堂兄弟关系很好。