blood brotherhood

歃血为盟的兄弟间的情谊
金兰之好

例句与用法：

Knowledge is often the blood brother of practice.

知识与实践往往是不可分的。

Bob's like a blood brother and would do anything for me.

鲍勃象亲兄弟，愿意为我两肋插刀。

词形变化：

名词: blood brotherhood |