brothers; younger brother; CL:個|个[ge4]; I, me (humble term used by men in public speech); brotherly; fraternal

brothers and sisters; siblings

fraternity

brother(s) and sister(s)

elder brother; term of respect for a man of about the same age

elder brother (often used self-referentially); (form of address between male friends) old chap; buddy

brothers; comrade

senior male fellow disciple or student (by seniority, not age); son of one's teacher who is older than oneself

older male cousin through a female relative

older male patrilineal cousin