资料来源 : pyDict

未磨光的,无光泽的,未磨练的

资料来源 : WordNet®

unpolished
     adj 1: not carefully reworked or perfected or made smooth by
            polishing; "dull unpolished shoes" [ant: {polished}]
     2: lacking social polish; "too gauche to leave the room when
        the conversation became intimate"; "their excellent
        manners always may be feel gauche" [syn: {gauche}, {graceless}]