弥や猛たけ心ごころ

noun

fervent spirit; intense enthusiasm; burning passion

Describes a state of being fiercely motivated, passionate, or single-mindedly driven. Often used in literary or emphatic contexts.

• 彼かれのやたけごころが、ついに難なん事じ業ぎょうを成せい功こうさせた。

  His fervent spirit finally brought the difficult project to success.

• やたけごころに燃もえて、彼かの女じょは毎まい日にち練れん習しゅうに打うち込こんだ。

  Burning with intense enthusiasm, she devoted herself to practice every day.