Meaning of dà gē:
dà gē
大哥
Noun
eldest brother; big brother (polite address for a man of about the same age as oneself); gang leader; boss
Tā shì wǒ de dà gē.
他是我的大哥。
He is my eldest brother.
Tā shì wǒ de hǎo dà gē, zǒng shì bāng zhù wǒ.
他是我的好大哥,总是帮助我。
He is my good big brother, always helping me.
Tā shì zhège bāngpài de dàgē.
他是这个帮派的大哥。
He is the boss of this gang.