inside one's heart; in one's mind
Refers to one's inner thoughts, feelings, or true intentions, often contrasted with outward expression.
In my heart, I respect him.
She carried a deep sadness inside her heart.
Standard kanji-kana spelling.
Kana spelling of 中; common in informal writing.
Compound of 心 (こころ, 'heart, mind') + の (possessive particle) + 中 (なか, 'inside'). A straightforward phrase meaning 'inside one's heart/mind'.