beat somebody at their own game

US /biːt ˈsʌm.bɑː.di æt ðer oʊn ɡeɪm/
UK /biːt ˈsʌm.bɑː.di æt ðer oʊn ɡeɪm/
"beat somebody at their own game" picture
1.

birini kendi oyununda yenmek, kendi silahıyla vurmak

to use an opponent's own methods to defeat them

:
The new company managed to beat their competitor at their own game by offering better customer service.
Yeni şirket, daha iyi müşteri hizmeti sunarak rakibini kendi oyununda yenmeyi başardı.
He thought he could trick me, but I decided to beat him at his own game.
Beni kandırabileceğini sandı ama ben onu kendi oyununda yenmeye karar verdim.