brother

英 [ˈbrʌðə(r)]

美 [ˈbrʌðər]

n. (同父母的)兄，弟; (称男性的共事者或同道)同事，弟兄，伙伴; (同一宗教团体的男性)教友; (尤指)修士
int. 表示生气或吃惊

复数：brothers　

中考高考 CET4 考研

Oxford 3000 / Collins.5 / BNC.827 / COCA.614

牛津词典

noun

家庭 in family

（同父母的）兄，弟
a boy or man who has the same mother and father as another person
1. We're brothers.
  我们是亲兄弟。
2. He's my brother.
  他是我哥哥（或弟弟）。
3. an older/younger brother
  哥哥；弟弟
4. a twin brother
  孪生哥哥（或弟弟）
5. Does she have any brothers and sisters ?
  她有兄弟姐妹吗？
6. Edward was the youngest of the Kennedy brothers.
  爱德华是肯尼迪弟兄中最小的一个。
7. He was like a brother to me (= very close) .
  他如同我的亲兄弟一样。

其他男性 other men

（称男性的共事者或同道）同事，弟兄，伙伴
used for talking to or talking about other male members of an organization or other men who have the same ideas, purpose, etc. as yourself
1. We must work together, brothers!
  我们必须携手工作，伙计们！
2. He was greatly respected by his brother officers.
  他非常受军官同僚的敬重。
3. We must support our weaker brethren.
  我们必须支持弱势的同胞。

宗教团体 in religious group

（同一宗教团体的男性）教友；（尤指）修士
a male member of a religious group, especially a monk
1. Brother Luke
  卢克修士
2. The Brethren meet regularly for prayer.
  兄弟教会成员定期聚集祈祷。

称呼 form of address

（黑人男子相互的称呼）
used by black people as a form of address for a black man

大学 at college/university

（美国）大学生联谊会成员
(in the US) a member of a fraternity (= a club for a group of male students at a college or university)

exclamation

（表示生气或吃惊）
used to express the fact that you are annoyed or surprised
1. Oh brother!
  天哪！

柯林斯词典

The old-fashioned form brethren is still sometimes used as the plural for meanings 2 and 3. brethren为旧时写法，有时仍用作义项2和3的复数。

See also:Oh, so you're Peter's younger brother...Have you got any brothers and sisters?half-brother stepbrother
N-COUNT 兄弟；同胞；教友；国人；同行；同志
You can describe a man as yourbrotherif he belongs to the same race, religion, country, profession, or trade union as you, or if he has similar ideas to you.
1. He told reporters he'd come to be with his Latvian brothers.
  他告诉记者他是来支持拉脱维亚同胞的。
2. ...the Cardinal and his brother bishops.
  红衣主教和他的主教们
N-TITLE; N-COUNT; N-VOC 教徒，修士，僧侣（用于头衔）
Brotheris a title given to a man who belongs to a religious community such as a monastery.
1. ...Brother Otto.
  奥托修士
2. ...the Christian Brothers community which owns the castle.
  拥有这座城堡的公教弟兄会
N-IN-NAMES （用于某些公司或商店的名称中）
Brothersis used in the names of some companies and shops.
1. ...the film company Warner Brothers...
  华纳兄弟电影公司
2. I went to Brooks Brothers and bought myself a decent shirt.
  我去布鲁克斯兄弟专卖店给自己买了一件体面的衬衫。

Note that there is no common English word that can refer to both a brother and a sister. You simply have to use both words.She has 13 brothers and sisters.The wordsiblingcan be used, but it is very formal.
注意英语常用词汇中没有一个同时表示“兄弟姐妹”的词，要表示这一概念，只能brother和sister两个词一起用：She has 13 brothers and sisters（她有13个兄弟姐妹）。用sibling这个词可以表示此意，但非常正式。

英英释义

noun

a male with the same parents as someone else
1. my brother still lives with our parents
Synonym:blood brother
a male person who is a fellow member (of a fraternity or religion or other group)
1. none of his brothers would betray him
used as a term of address for those male persons engaged in the same movement
1. Greetings, comrade!
Synonym:comrade
a close friend who accompanies his buddies in their activities
Synonym:buddychumcronypalsidekick

双语例句

I went to Brooks Brothers and bought myself a decent shirt.
我去布鲁克斯兄弟专卖店给自己买了一件体面的衬衫。
My brother had a lovely dog. I looked after him for about a week.
我哥哥有一只可爱的狗。我照看了它约一周。
He played with his younger brother.
他和弟弟一起玩。
I can remember the precise moment when my daughter came to see me and her new baby brother in hospital
我能清楚地回想起我女儿来医院看我和她刚出生的弟弟的那一刻。
Mother interposed in the dispute between my brother and me.
母亲介入了我与哥哥之间的争论。
I always played football with my older brother because I was good for my age.
我经常跟哥哥一起踢足球，因为就我的年龄而论我的球技还算不错。
My brother quarrelled with my father.
我哥哥和父亲吵了一架。
I have a younger brother.
我有一个弟弟。
Tom is hardly distinguishable from his twin brother.
汤姆和他的孪生哥哥几乎令人分辨不出。
The soldiers bantered with him as though he was a kid brother
士兵们把他当作弟弟一样和他开着玩笑。