To die with a lingering regret or unfulfilled grievance; to carry resentment to one's grave.
她的哥哥含冤而死，她誓言要为他伸冤，否则就衔恨九原
Her brother died unjustly, and she vowed to clear his name, otherwise she would carry her resentment to her grave.
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To die with a lingering regret or unfulfilled grievance; to carry resentment to one's grave.