problematical
 (a.)有問題的


 Prob·lem·at·ic Prob·lem·at·ic·al a.
 1. Having the nature of a problem; not shown in fact; questionable; uncertain; unsettled; doubtful; as, his theory is problematic because it fails to explain several facts. -- Prob*lem*at*ic*al*ly, adv.
    Diligent inquiries into remote and problematical guilt leave a gate wide open to . . . informers.   --Swift.

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 problematical
      adj 1: open to doubt or debate; "If you ever get married, which
             seems to be extremely problematic" [syn: debatable,
             problematic]
      2: making great mental demands; hard to comprehend or solve; "a
         baffling problem"; "I faced the knotty problem of what to
         have for breakfast"; "a problematic situation at home"
         [syn: baffling, knotty, problematic]