vainSELFISH veIn adj -er, -est too interested in your own appearance or achievements 爱虚荣的 He was very vain about his clothes. 他在穿着方面很爱虚荣。 She's one of those vain people who can't pass a mirror without looking into it. 她属那种很爱虚荣的人，每到一面镜子前都非要往里边照一照之后才肯走开。