re·luc·tance /rɪˈlʌktən(t)s/
  不願,勉強,厭惡
  Re·luc·tance Re·luc·tan·cy n.
  1. The state or quality of being reluctant; repugnance; aversion of mind; unwillingness; -- often followed by an infinitive, or by to and a noun, formerly sometimes by against. “Tempering the severity of his looks with a reluctance to the action.”
  Syn: See Dislike.
     He had some reluctance to obey the summons.   --Sir W. Scott.
  Bear witness, Heaven, with what reluctancy
  Her helpless innocence I doom to die.   --Dryden.
  2. Elec. Magnetic resistance, being equal to the ratio of magnetomotive force to magnetic flux.
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  reluctance
       n 1: (physics) opposition to magnetic flux (analogous to electric
            resistance)
       2: a certain degree of unwillingness; "a reluctance to commit
          himself"; "after some hesitation he agreed" [syn: hesitancy,
           hesitation, disinclination, indisposition]