臍を固める

ほぞをかためる

Also written ほぞを固める

Meanings

1. Expression, Ichidan verb to make up one's mind (to do something); to resolve firmly (to do something)

Kanji

• 臍 navel. Read as ほぞ.
• 固 solid. Read as かためる.

Jinuma: Japanese Dictionary · Word lists