Verb
hold a grudge (third-person singular simple present holds a grudge, present participle holding a grudge, simple past and past participle held a grudge) [+ against (object)]
(idiomatic) To stay angry (at someone or something).
Synonym: bear a grudge
That guy sure can hold a grudge when something goes wrong.
I made a mistake. That's not a good reason to hold a grudge against me.