old boy
(fem 阴性作 old girl), 1 former pupil of a particular school 校友
an old boys´ reunion 男校友聚会.
2 old `boy, old `girl (infml 口) old person 老人
the old `girl who lives next door 住在隔壁的老太太.
3 (idm 习语) the old-boy network the tendency among old boys, esp of British private schools, to help each other in later life (男的)老同学关系网.