heart·burn·ing /-ˌbɝnɪŋ/
  不平,不滿,強烈的妒忌或反感
  Heart·burn·ing, n.
  1. Med. Same as Heartburn.
  2. Discontent; secret enmity.
     The transaction did not fail to leave heartburnings.   --Palfrey.
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  Heart·burn·ing a. Causing discontent.
  heartburning
       n : intense resentment; "his promotion caused much heartburning
           among his rivals"