ēn​yuàn HSK7

grudge

恩怨 ēn​yuàn
grudge noun
resentment or grievances resulting from a past wrong; a score to settle

This is just a disagreement at work, not a personal grudge.

gratitude and grudges noun
mixed feelings of gratitude and resentment; a history of interpersonal relations involving both favors and wrongs

The grievances between the families have lasted for generations.

Frequency

Movie subtitles
7.15 per million appears in 3% of films
Written text
3.57 per million

Details

HSK 2.0
Level 6
HSK 3.0
Level 7

Sources

Definitions
CC-CEDICT