ほぞをかためる
臍を固める
to make up one's mind (to do something); to resolve firmly (to do something)
N3Expression
Expression, Ichidan verb
to make up one's mind (to do something)•to resolve firmly (to do something)
Example Sentences
彼は臍を固めて一世一代の大事業に乗り出した。
He resolved to embark on a once-in-a-lifetime enterprise.