vex·a·tious /-ʃəs/
  (a.)叫人發急的,為難的,著急的,無根據的
  Vex·a·tious a.
  1. Causing vexation; agitating; afflictive; annoying; as, a vexatious controversy; a vexatious neighbor.  “Continual vexatious wars.”
  2. Full of vexation, trouble, or disquiet; disturbed.
     He leads a vexatious life.   --Sir K. Digby.
  Vexatious suit Law, a suit commenced for the purpose of giving trouble, or without cause.
  -- Vex*a*tious*ly, adv. -- Vex*a*tious*ness, n.
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  vexatious
       adj : causing irritation or annoyance; "tapping an annoying rhythm
             on his glass with his fork"; "aircraft noise is
             particularly bothersome near the airport"; "found it
             galling to have to ask permission"; "an irritating
             delay"; "nettlesome paperwork"; "a pesky mosquito";
             "swarms of pestering gnats"; "a plaguey newfangled
             safety catch"; "a teasing and persistent thought
             annoyed him"; "a vexatious child"; "it is vexing to
             have to admit you are wrong" [syn: annoying, bothersome,
              galling, irritating, nettlesome, pesky, pestering,
              pestiferous, plaguy, plaguey, teasing, vexing]