to meet one's match
01
好敵手に出会う, 手強い相手に当たる
to be challenged by someone as equally good or slightly better than one
idiom
例
After years of being the top performer, he finally found his match in the new recruit.
王者はついに若い挑戦者という好敵手に出会った。
好敵手に出会う, 手強い相手に当たる