【人际关系】

buddy哥们儿；colleague同事/同僚；confidante闺蜜/红颜知己（女性);intimate至交；mentor导师/指导者；sworn brother结拜兄弟；superior/boss上司/老板；partner搭档；couple情侣；companion同伴；pen pal笔友；comrade-in-arms战友；fellow-apprentice师兄弟； bosom friend知心朋友；acquaintance认识但不熟的人；nodding acquaintance点头之交； close friend近友；drinking buddy酒友；bad company狐朋狗友；fellow-townsman老乡；schoolmate同窗；alumnus男校友；alumna女校友；friends with benefits炮友