non·plus /ˌnɑnˈplʌs/
 (vt.)使困惑迷惑,困惑,盡頭


 Non·plus v. t. [imp. & p. p. Nonplused or Nonplussed; p. pr. & vb. n. Nonplusing or Nonplussing.] To puzzle; to confound; to perplex; to cause to stop by embarrassment.
    He has been nonplused by Mr. Dry's desiring him to tell what it was that he endeavored to prove.   --Spectator.

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 Non·plus n.  A state or condition which baffles reason or confounds judgment; insuperable difficulty; inability to proceed or decide; puzzle; quandary.
    Both of them are a perfect nonplus and baffle to all human understanding.   --South.


 nonplus
      v : be a mystery or bewildering to; "This beats me!"; "Got me--I
          don't know the answer!"; "a vexing problem"; "This
          question really stuck me" [syn: perplex, vex, stick,
           get, puzzle, mystify, baffle, beat, pose, bewilder,
           flummox, stupefy, gravel, amaze, dumbfound]
      [also: nonplussing, nonplusses, nonplussed]