ほぞをかむ

臍 を 噛 む

  1. expressions (phrases, clauses, etc.), Godan verb with 'mu' ending

    to regret bitterly, to be very sorry (for), to bite one's navel
    idiomatic expression

    • 彼女は姑の気にさわるようなことを言わなければよかったと臍を噛んだ。
      She bitterly regretted having said something that displeased her mother-in-law.