entries → 撐腰
TSUMUGU · TOCFL C1 (est.) · 詞
撐腰 word · TOCFL C1 (est.)
撐腰 ＝ 撐 ＋ 腰
ㄔㄥ ㄧㄠ · chēngyāo
verb — to back someone up, to give support (so they can stand firm)

字源 FORM — what the parts do

撐to prop up, to brace (支撐)chēng
腰the waist (腰部)yāo
撐腰，支撐的撐，腰部的腰。

故事 STORY — a scene to remember it by

有人在你背後頂住你的腰（腰），你就站得直、不會倒（撐）。
A hand braces you at the small of the back (腰), holding you up (撐) so you can stand your ground without buckling.
記憶法
關 · Related
支持zhīchíto support — the plainer everyday word, without the bodily image靠山kàoshāna backer, a 'mountain to lean on' — the one who does the 撐腰