old boy の英語での意味
old boyˈold ˈboy noun [countable] 
すべての翻訳を見る1British English a man who used to be a student at a school（学校の）男性卒業生: 
an old boys’ reunion男性卒業生の同窓会2the old-boy network the system by which men who went to the same school, belong to the same club etc use their influence to help each other同じ学校の出身者や同じクラブの仲間などが互いに影響力を使って助け合う仕組み3British English spoken話し言葉 an old man老人: He’s a nice old boy.彼はいい老人だ。4British English old-fashioned旧式 used when speaking to a male friend男性の友人に呼びかけるときに使う: How are you, old boy?元気かい、君？ → old girl
すべての翻訳を見る1British English a man who used to be a student at a school（学校の）男性卒業生: an old boys’ reunion男性卒業生の同窓会2the old-boy network the system by which men who went to the same school, belong to the same club etc use their influence to help each other同じ学校の出身者や同じクラブの仲間などが互いに影響力を使って助け合う仕組み3British English spoken話し言葉 an old man老人: He’s a nice old boy.彼はいい老人だ。4British English old-fashioned旧式 used when speaking to a male friend男性の友人に呼びかけるときに使う: How are you, old boy?元気かい、君？ → old girl