the other way round/around

We use this expression to say that some information was backwards.

我们用这个短语来表示一些事情是反着进行的，与我们想的正好相反

A: So you invited Karen to your party?

所以你邀请凯伦来参加你的派对不?

B: No, the other way round - she invited me to her party.

恰恰相反，是她邀请我来参加她的派对。