Usage note
兄弟表示哥哥和弟弟，也可泛指男性朋友。
xiōng dì biǎo shì gē ge hé dì di， yě kě fàn zhǐ nán xìng péng yǒu。
兄弟 means brothers and can also refer to male friends.
Context note
兄弟常用于家庭、关系和口语。
xiōng dì cháng yòng yú jiā tíng 、 guān xì hé kǒu yǔ。
Brothers are often used in family, relationships, and spoken language.
5 examples
他有两个兄弟。
tā yǒu liǎng gè xiōng dì。
He has two brothers.
兄弟俩很像。
xiōng dì liǎ hěn xiàng。
The two brothers look alike.
我和他像兄弟一样。
wǒ hé tā xiàng xiōng dì yí yàng。
He and I are like brothers.
兄弟之间要互相帮助。
xiōng dì zhī jiān yào hù xiāng bāng zhù。
Brothers should help each other.
他们是好兄弟。
tā men shì hǎo xiōng dì。
They are good brothers.
5 mini stories
这对兄弟一起上学。
zhè duì xiōng dì yì qǐ shàng xué。
These two brothers go to school together.
他和兄弟一起做作业。
tā hé xiōng dì yì qǐ zuò zuò yè。
He does homework with his brother.
兄弟俩都喜欢运动。
xiōng dì liǎ dōu xǐ huan yùn dòng。
Both brothers like sports.
他们像兄弟一样亲近。
tā men xiàng xiōng dì yí yàng qīn jìn。
They are as close as brothers.
哥哥带着弟弟，像好兄弟一样。
gē ge dài zhe dì di， xiàng hǎo xiōng dì yí yàng。
The older brother takes care of the younger one like a good brother.
Mini dialogue
介绍兄弟
A
他是你的兄弟吗？
Tā shì nǐ de xiōngdì ma?
Is he your brother?
B
对，他是我的哥哥，我们是好兄弟。
Duì, tā shì wǒ de gēge, wǒmen shì hǎo xiōngdì.
Yes, he is my older brother. We are good brothers.
一起玩
A
你们兄弟俩喜欢一起做什么？
Nǐmen xiōngdì liǎ xǐhuān yīqǐ zuò shénme?
What do you brothers like to do together?
B
我们兄弟喜欢一起踢足球。
Wǒmen xiōngdì xǐhuān yīqǐ tī zúqiú.
We brothers like to play football together.
Related words and contrasts
contrast
姐妹
jiě mèi
sisters
Female siblings, compared to brothers.
related
哥哥
gē ge
older brother
A specific type of brother.
related
弟弟
dì di
younger brother
A specific type of brother.