"兄" (xiōng) is used as a polite and respectful form of address for a male peer, similar to "Mr." or "Sir" in English, but more familiar and friendly. It is a way to show respect and foster goodwill, regardless of who is actually older.
"兄" (xiōng) is used as a polite and respectful form of address for a male peer, similar to "Mr." or "Sir" in English, but more familiar and friendly. It is a way to show respect and foster goodwill, regardless of who is actually older.