N1 Lesson 9: 13/17
ならいざ知らず ならいざしらず

ならいざ知らず

Don’t know about it
Maybe it would/might be possible for


Structure Legend
Structure
Most common pattern:
Noun + なら(1) + いざ知ら

Less common patterns:
Verb + ()+ なら(1) + いざ知ら
[い]Adjective + ()+ なら(1) + いざ知ら
Noun + であれ(2) + いざ知ら
Noun + + いざ知ら

(1) ならば (2) だったら
(A) いざ知らず (B) is a slightly old-fashioned expression, which nowadays is mostly used in writing. It literally means that “If it’s (A) then I don’t know, but for (B) ... ” where いざ (originally いさ) is an interjection similar to the modern さあ and indicates confusion about how to answer a question.
This expression is used to show the contrast between the extreme example (A) for which something might be the case, and then (B).
Often followed by expressions of surprise, impossibility, or criticism.

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1万(まん)円(えん)は社会人(しゃかいじん)ならいざ知(し)らず、小学生(しょうがくせい)にとっては想像(そうぞう)を絶(ぜっ)する金額(きんがく)だ。
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I don’t know about working adults, but for children, 10 000 yen is an unimaginable amount of money.

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