irredeemable wrong(/injustice); a wrong that can never be righted ❍ 统治者使无数无辜的人蒙受～。The rulers made countless innocent people suffer from irredeemable wrongs.
覆盆之冤fù pén zhī yuān
覆盆：翻过来扣着的盆子，比喻黑暗。指无处申诉的冤枉。irredeemable wrong, a wrong that can never be righted