bé-kha馬腳

horse's feet

horse's feet; cloven foot; something that gives the game away; mistake or gap in a speech or theory; flaw

English Wiktionary, “馬腳” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E9%A6%AC%E8%85%B3 · confidence: Medium (Wiktionary, Hokkien)