幼おさな心ごころ

noun

child's mind; young heart; innocent mind

Refers to the naive, pure, or undeveloped way of thinking and feeling characteristic of a child. Often used in contexts of innocence, simplicity, or childishness.

• 幼おさな心ごころにも、その光こう景けいは美うつくしいと感かんじた。

  Even to my child's mind, that scene felt beautiful.

• 彼かれのいたずらには、どこか幼おさな心ごころを感かんじさせるものがある。

  His pranks have something that reminds one of a child's heart.