stand (someone's) ground

Translations
стоять на (своем)
She had to stand her ground during the debate.
Ей пришлось стоять на своем во время дебатов.
Definitions
To refuse to change your opinion or position in a situation, even when others are opposing or pressuring you; to maintain your stance firmly.
Words
ground

noun
земля
stand

verb
стоять