eat one's heart out

• eat one's heart out: つらい思いをする

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• And then the correspondents of those august journals, who looked down on him, who would not drink with him, could eat their fucking hearts out.
  （そうなれば、いままで自分を見下し、一緒に酒を飲もうともしなかった一流紙の記者連中に一泡吹かせてやれる。）
  Thomas Harris, Red Dragon, Berkley Books, ch. 16