rancor

尽管多年过去，他对那次商业失败仍然怀恨在心。

Even after years, he still holds ___rancor over that business failure.

在痛苦的抚养权争斗之后，双方父母同意放下彼此的怨恨，一同出席女儿的毕业典礼。

After the bitter custody battle, both parents agreed to set aside their ___rancor and jointly attend their daughter's graduation together.

两位相邻的农场主因一条争议篱笆线的积怨长达十五年，哪怕双方牲畜在边界上混在一起也不说一句话。

The two neighboring farmers had nursed ___rancor for fifteen years over a disputed fence line, not speaking a word even when their livestock mingled at the boundary.