ほぞをかむ

臍を噛む

to regret bitterly; to be very sorry (for); to bite one's navel

N3Expression
Expression, Godan verb (mu ending)
to regret bitterlyto be very sorry (for)to bite one's navel

Example Sentences

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.