brotherhood

The firefighters share a strong sense of brotherhood, trusting each other with their lives.

(Chinese) 消防员们有着强烈的兄弟情谊，彼此以性命相托。

The international organization aims to promote universal brotherhood among all nations.

(Chinese) 该国际组织旨在促进各国之间的普遍兄弟情谊（友谊）。