名词
1. 委屈；不满；不平；抱怨
If you have a grievance about something that has happened or been done, you believe that it was unfair.
1. a complaint about a (real or imaginary) wrong that causes resentment and is grounds for action
2. an allegation that something imposes an illegal obligation or denies some legal right or causes injustice
3. a resentment strong enough to justify retaliation
e.g. holding a grudge
settling a score