我有一个哥哥和一个弟弟。
wǒyǒu yígè gēgē hé yígè dìdi 。
I have an older brother and a younger brother.
兄弟之间要互相关心。
xiōngdì zhījiān yào hùxiāng guānxīn 。
Brothers should care for each other.
他们是从小一起长大的兄弟。
tāmen shì cóngxiǎo yīqǐ zhǎngdà de xiōngdì 。
They are brothers who grew up together since childhood.