trump (someone's) hand

Translations
победить (кого-то), переплюнуть
After weeks of negotiations, the competitor managed to trump our hand with a last-minute deal.
После недель переговоров конкурент смог победить нас сделкой в последний момент.
Definitions
To trump (someone's) hand means to surpass or outdo someone's effort, plan, or advantage, often by presenting something better or more effective. The phrase originates from card games, where 'trumping' means playing a higher card to beat another player's card.
Words
trump

verb
перебить козырем
someone

pronoun
чейто
s
принадлежность
hand

noun
рука