资料来源 : WordNet®

professionalise
     v 1: become professional or proceed in a professional manner or
          in an activity for pay or as a means of livelihood [syn:
           {professionalize}]
     2: make professional or give a professional character to;
        "Philosophy has not always been professionalized and used
        to be a subject pursued only by amateurs" [syn: {professionalize}]