臍を固める

ほぞをかためるhozookatameru

expression · ichidan verb

  1. to make up one's mind (to do something)
  2. to resolve firmly (to do something)

Kanji in this word

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences