cry (someone's) uncle

Translations
признать поражение
After hours of negotiations, he finally had to cry uncle and accept the terms.
После часов переговоров ему, наконец, пришлось признать поражение и принять условия.
Definitions
To admit defeat or surrender, often after a struggle or challenge. The phrase is commonly used in the context of giving up or yielding to someone else's demands.
Words
cry

verb
сдаться
someone's

pronoun
чей-то
uncle

noun
дядя