As a Noun:
1. A unfriendly feeling towards someone because they have upset you or harmed you in the past. English = grudge, grievance.
2. A bitter feeling of anger about something that you have for a long time, particularly about something someone has done to you in the past. English = resentment.
3. A small worry or doubt that you keep thinking about. English = niggle.
As a Verb or Adjective:
1. To have unfriendly feelings towards someone because they have upset you or harmed you in the past. English = bear a grudge, have a grudge, hold a grievance.
2. To feel bitter and angry about something for a long time, especially about something someone has done to you in the past. English = resent.
3. To be worried, irritated, or upset by something for a long time; to have a doubt about something that keeps coming back or that you keep thinking about. English = (be) niggled.
Interactive:
1. Used alone or in response to a suggestion to mean you don't want to do it or couldn't be bothered to do it, i.e., you resent being asked to do it and would rather decline.