entries → 苦衷
TSUMUGU · TOCFL 5 (est.) · 詞
苦衷 word · TOCFL 5 (est.)
苦衷 ＝ 苦 ＋ 衷
ㄎㄨˇ ㄓㄨㄥ · kǔzhōng
noun — hidden difficulties; the hard reasons one cannot easily explain

字源 FORM — what the parts do

苦bitter (痛苦)kǔ
衷inner feelings (由衷)zhōng衣 a garment with 中 (centre) tucked inside, the heart worn within
苦衷，痛苦的苦，由衷的衷。

故事 STORY — a scene to remember it by

苦（苦）藏在衣（衣）服正中（中）間，不說出來。
The bitterness (苦) stays tucked inside the clothing (衣), dead-centre (中), unspoken.
字源記憶法
關 · Related
由衷yóuzhōngfrom the heart — the same 衷