entries → 抱怨
TSUMUGU · TOCFL B1 (est.) · 詞
抱怨 word · TOCFL B1 (est.)
抱怨 ＝ 抱 ＋ 怨
ㄅㄠˋ ㄩㄢˋ · bàoyuàn
verb — to complain, to grumble, to gripe

字源 FORM — what the parts do

抱to hold, to carry (擁抱)bào
怨resentment, a grudge (怨恨)yuàn
抱怨，擁抱的抱，怨恨的怨。

故事 STORY — a scene to remember it by

心裡的怨（怨）一直抱（抱）著，最後說了出來。
A grudge (怨) held (抱) close, carried until it spills out as a complaint.
關 · Related
怨恨yuànhènto resent — the deeper 怨埋怨mányuànto blame and grumble — the close synonym