乃だい公こう出いでずんば

expression

if I don't go, who will?; what will happen to the world without me?

Archaic, grandiose expression of self-importance, used when someone declares that only they can accomplish a great task. From classical Chinese rhetoric; not used in modern conversation.

• 「乃だい公こう出いでずんば」と彼かれは大おおげさに言いい放はなった。

  "If I don't go, who will?" he declared grandiosely.