誰だれあろう

expression

none other than; who should it be but

A fixed rhetorical expression used to dramatically reveal or emphasize the identity of a person, often in storytelling or formal speech. It carries a nuance of surprise or inevitability.

• ドアを開あけたのは、誰だれあろう、私わたしの初はつ恋こいの人ひとだった。

  The person who opened the door was none other than my first love.

• その場ばに現あらわれたのは、誰だれあろう、社しゃ長ちょうご本ほん人にんだった。

  The person who appeared there was none other than the company president himself.