entries → 插嘴
TSUMUGU · TOCFL C1 (est.) · 詞
插嘴 word · TOCFL C1 (est.)
插嘴 ＝ 插 ＋ 嘴
ㄔㄚ ㄗㄨㄟˇ · chāzuǐ
verb — to cut in, interrupt, butt into a conversation

字源 FORM — what the parts do

插to stick in, insert (插入)chā
嘴the mouth (嘴巴)zuǐ
插嘴，插入的插，嘴巴的嘴。

故事 STORY — a scene to remember it by

兩人正講著，他一張嘴（嘴）就插（插）了進來。
Two are talking, and his mouth (嘴) jams (插) right in.
記憶法
關 · Related
打岔dǎchànear-synonym — breaking the thread of someone's talk插話chāhuàthe same 插 — wedging words in