天火字典

英日字典：ほぞをかためる

ほぞをかためる

ほぞを固める

臍を固める

ほぞを固める：

(exp,v1)
to make up one's mind
(to do something)
to resolve firmly
(to do something)
臍を固める：

(exp,v1)
to make up one's mind
(to do something)
to resolve firmly
(to do something)

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