何なにをかいわんや

expression

what can you say?; what more is there to say?

A rhetorical, somewhat literary expression of exasperation or resignation. Used when the speaker feels that words are insufficient or that the situation speaks for itself. Often follows a statement of an obvious or extreme fact.

• こんなに証しょう拠こがそろっていて、何なにをかいわんや。