Grammar Info
N1 Lesson 9: 13/17
ならいざ知らず ならいざしらず Don’t know about it, Maybe it would/might be possible for
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
Details
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使用域 タメ語
Information
  • (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。
I don’t know about working adults, but for children, 10 000 yen is an unimaginable amount of money.
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