Grammar › N1 · 05 Contrast, comparison and extent

〜ならいざしらず: it may be fine for ..., but

N1 · 05 Contrast, comparison and extent

Says that X might be understandable, but the real case is not.

Noun or clause + ならいざ知らず. Also 〜はいざ知らず. A critical tone. The second half is the case the speaker actually criticizes.

Examples

子供こどもならいざ知いざしらず、大人おとながそんなことをするとは信しんじられない。

A child maybe, but I can't believe an adult would do such a thing.

他ほかの人ひとならいざ知いざしらず、あなたがそんな失敗しっぱいをするなんて。

It might be fine for anyone else, but that you made such a mistake!