entries → 上當
TSUMUGU · TOCFL B1 (est.) · 詞
上當 word · TOCFL B1 (est.)
上當 ＝ 上 ＋ 當
ㄕㄤˋ ㄉㄤˋ · shàngdàng
verb — to be tricked, taken in, fall for a scam

字源 FORM — what the parts do

上to fall into, get caught by (上鉤)shàng
當a trap, trick (圈套)dàngread dàng here, the "trap" sense, not dāng
上當，上鉤的上，當作的當。

故事 STORY — a scene to remember it by

鉤上了（上），落進騙局（當）。
You take the bait (上) and drop into the trap (當).
記憶法
關 · Related
受騙shòupiànto be deceived — the plain synonym騙子piànzia swindler — who makes you 上當