n.[C]

1. 兄弟；兄，弟
   You mean the Warton brothers?

   你是说沃顿兄弟？

2. （复数常用brethren）教友；同行业的人
3. 同胞；同事，伙伴
4. 【俚】（用于称呼）老兄，朋友
5. 黑人兄弟；黑人男子

int.

1. 【美】（表示厌烦、惊讶等）我的老兄！哎呀！

n.

1. a man or boy in relation to other sons and daughters of his parents.
2. a male associate or fellow member of an organization.
3. N. Amer. informal a black man.
4. something which resembles or is equivalent to another.
5. (pl. also brethren)
   Christian Church  a (male) fellow Christian.
   ▸a member of a religious order of men.

exclam.