別人

a different person, someone else

b e̞ t͡s ɨ ʑ ĩ ɴ
別 separate matter; something different + 人 person; someone
noun Uncommon #15,341
a different person, someone else Often used when someone is mistaken for another person or has changed so much they seem like someone else.
JA: その人は私の兄ではなく、別人です。
EN: That person isn’t my older brother; it’s someone else.

以前とは別人のようになりました。

I've become like a completely different person than I was before.

別人になった気分だよ。

I feel like a completely different person.

別人やろ?

You're a different person, right?

— すずめの戸締まり (2022)

歌手だと思った少女は別人だった。

The girl I thought was the singer turned out to be someone else.

でも母親の名前がメアリー知り合いだと思ったら別人だったんだ

But I thought the mother named Mary was someone I knew, only to find out she was a completely different person.

— アバウト・タイム ~愛おしい時間について~ (2013)

確かにそうだがそれは別人だ

That’s certainly true, but that’s a different person.

— オープン・ユア・アイズ (1997)

別人だ

That's a different person.

— レベッカ (1940)

別人みたい。

You seem like a completely different person.

彼は結婚してから別人のようになった。

He’s become a completely different person since he got married.

そのときの俺は別人になろう

When that time comes, I’ll become someone else.

— レザボア・ドッグス (1992)

彼の父親だと思った人はまったくの別人だと分かった。

It turned out that the person I thought was his father was a complete stranger.

別人を探しにズボンなしでシムラーまで来たのか

Did you come all the way to Shimla without your pants on, looking for someone else?

— きっと、うまくいく (2009)

彼は私達が探している人とは別人だ。

He's a different person from the one we're looking for.