beat somebody at their own game
US /biːt ˈsʌm.bɑː.di æt ðer oʊn ɡeɪm/
UK /biːt ˈsʌm.bɑː.di æt ðer oʊn ɡeɪm/
1.
相手の土俵で勝つ, 相手のやり方で打ち負かす
to use an opponent's own methods to defeat them
:
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The new company managed to beat their competitor at their own game by offering better customer service.
新しい会社は、より良い顧客サービスを提供することで、競合他社を彼ら自身のやり方で打ち負かすことに成功した。
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He thought he could trick me, but I decided to beat him at his own game.
彼は私をだませると思ったが、私は彼自身のやり方で彼を打ち負かすことにした。