sciolist
  一知半解的人
  Sci·o·list n.  One who knows many things superficially; a pretender to science; a smatterer.
     These passages in that book were enough to humble the presumption of our modern sciolists, if their pride were not as great as their ignorance.   --Sir W. Temple.
     A master were lauded and sciolists shent.   --R. Browning.
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  sciolist
       n : an amateur who engages in an activity without serious
           intentions and who pretends to have knowledge [syn: dabbler,
            dilettante]