dis·sua·sion /dɪˈsweʒən/
  勸阻,勸戒,諫諍
  Dis·sua·sion n.
  1. The act of dissuading; exhortation against a thing; dehortation.
     In spite of all the dissuasions of his friends.   --Boyle.
  2. A motive or consideration tending to dissuade; a dissuasive.
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  dissuasion
       n 1: a communication that dissuades you
       2: persuasion not to do something; the act of talking someone
          out of an intended course of action
       3: influencing someone to desist by argument or reasoning or
          entreaty [ant: persuasion]