Mistaken Identity
noun, verbal noun
A person who is different from the person you thought it was is a mistaken identity. Whoops, sorry, I thought you were someone else. 人違い!
The readings are 人 and 違い put together.
人違いでした。すみません。
It was a case of mistaken identity. I apologize.
ビエトはヤクザじゃありません。人違いで疑われたかわいそうな被害者なんですよ。
Viet isn't a yakuza. He is a poor victim of mistaken identity.
妻にボーナスを渡したつもりだったんですが、どうやら人違いだったようです。
I thought I had given my wife a bonus, but it seems like I made a mistake and gave it to the wrong person.
はい、私達も結合双生児ではありますが、申し訳ありませんがあなたは人違いをしていると思います。
Yes, we are also conjoined twins, but I’m afraid you are mistaking us for a different set of twins.