Meaning of dì xiong:
dì xiong
弟兄
Noun
brothers; comrade
Tā hé tā de liǎng gè qīnshēng dìxiōng yīqǐ qù lǚxíng.
他和他的两个亲生弟兄一起去旅行。
He went on a trip with his two biological brothers.
Tāmen zài zhànchǎng shàng shì shēngsǐ yǔ gòng de dìxiōng.
他们在战场上是生死与共的弟兄。
They are comrades who share life and death together on the battlefield.