give someone a dose of their own medicine (givu samwan a dosu obu zea oun medisin)

Idiom Medicine

意味

to treat someone the same bad way they treated others

誰かを自分が他の人にしたのと同じように悪く扱うこと (dareka o jibun ga hoka no hito ni shita no to onaji yō ni waruku atsukau koto)

例文

"He was rude to everyone, so I gave him a dose of his own medicine."

"彼はみんなに失礼だったので、私は彼にも自分のやり方で対応した。" (Kare wa minna ni shitsurei datta node, watashi wa **kare ni mo jibun no yarikata de taio shita**)