【各种人际关系】 buddy 哥们儿；BFF（best friends forever）闺蜜；confidante 红颜知己；childhood sweetheart 青梅竹马；colleague 同事；intimate 至交、密友；sworn brother 结拜兄弟；partner 搭档；companion 同伴；comrade-in-arms 战友；bosom friend 知心朋友；friends with benefits 炮友
