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(deeply held) resentment
圧政に対する民衆の怨嗟の声が高まった。
The people's cries of resentment against tyranny grew louder.
怨嗟の念を抱き続けることは心を蝕む。
Harboring deep resentment corrodes the heart.
敗者たちの怨嗟が歴史の闇に刻まれている。
The resentment of the defeated is inscribed in the darkness of history.