two can play at that game idiom informal
（表示要进行报复）你这一套我也会
something that you say when you intend to harm someone in the same way as they harmed you
When I found out that my husband had been having an affair, I thought "two can play at that game!" 当我发现丈夫一直在外面有女人时，我就想“你这一套我也会”。