月つき夜よに釜かまを抜ぬかれる

expression, ichidan verb

make a blunder; commit a careless mistake

Idiomatic expression meaning to make a foolish or careless mistake, often due to overconfidence or inattention. The literal image is having one's kettle stolen on a moonlit night, implying a lapse in caution.

• 月つき夜よに釜かまを抜ぬかれるような失しっ敗ぱいをしてしまった。

  I made a blunder as foolish as having my kettle stolen on a moonlit night.