掲示板 Forums -

It's possible that I overlooked something since this is over my level. Please correct me if there's a mistake.

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I have a feeling that this and sense 5 of this page are related expressions because of this:

• "In casual speech, なんて is often used instead of とは." (Handbook, page 382, …とは〈surprise〉)

In the Advanced Dictionary:

• This usage of とは's on pages 661-664. However, とは doesn't mention なんて.
• The entry for なんて discusses the related expression (など)とは on page 341. It says
  • なんて is more colloquial than (など)とは.
  • (など)とは can replace なんて as long as なんて is preceded by one of these:
    • {V／い-adj}inf
    • {N／な-adj-stem}{だ／だった}

Bunpro doesn't have much explanation yet, but they do link to two resources that both mention なんて:

• JLPT Sensei
  • The related grammar includes a なんて link.
• jn1et (this page is in Japanese)
  • There's a note about なんて also being available: "４．口語では「～なんて」となることもある。"