entries → 心裡
TSUMUGU · TOCFL 3 (est.) · 詞
心裡 word · TOCFL 3 (est.)
心裡 ＝ 心 ＋ 裡
ㄒㄧㄣ ㄌㄧˇ · xīnlǐ
locative — in one's heart; in one's mind; inside oneself

字源 FORM — what the parts do

心heart; mind (心臟的心)xīn
裡inside; interior (裡面的裡)lǐ衣(clothing, as 衣旁) + 里(phonetic lǐ) — the inner lining of a garment
心裡，心臟的心，裡面的裡。

故事 STORY — a scene to remember it by

衣服（衣→裡中的衣旁）的裡層貼著心（心）——那個摸不著的地方叫心裡。
The inner lining of the garment (衣 in 裡) presses against the heart (心) — that unreachable inner place is 心裡.
字源記憶法
關 · Related
心中xīnzhōngin one's heart — literary near-synonym心情xīnqíngmood/feeling — what is found inside