“Child's mind” in Japanese
Short answer
Child's mind in Japanese is “幼心” (osanagokoro). Full meaning: child's mind, child's heart, young mind.
Other ways to say “Child's mind” in Japanese
童心
doushin child's mind, childlike innocence, naivete
おさな心
osanagokoro child's mind, child's heart, young mind
おさなごころ
osanagokoro child's mind, child's heart, young mind
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