Take down a peg (or two)

Translation of "take down a peg (or two)" into Russian

Someone thought they were the best, but they were taken down a peg or two after the competition.

Кто-то думал, что он лучший, но после соревнования его поставили на место.

To humble someone who is acting arrogant or overly proud, by making them realize they are not as important or superior as they think.