Wiktionary
hold a grudge
vb. (context idiomatic English) To stay angry (at someone or something).
Usage examples of "hold a grudge".
He would probably be mortified, but he was not the sort to hold a grudge and he would take it like a man.
Something more insistent than responsibility had pulled Jaka and Meralda together the previous night, and Dohni reminded himself pointedly not to hold a grudge, either against his daughter or against Jaka, whose only crime, as far as Dohni knew, was to love Meralda.
He did not hold a grudge and neither did I and neither did Marian.