好兄弟

good; fine; well; okay; suitable; easy to do; very; to like; to be fond of; to have a tendency to; to be prone to

Elder brother; older male sibling; term of respect for an older male friend or acquaintance.

Younger brother; junior male relative; a modest self-reference for 'I' in letters; sometimes refers to a younger female relative; can mean disciple or student; also refers to respecting elder brothers.