khió-si̍t口實

cause for gossip

cause for gossip; words or behaviour used by others as a subject for ridicule; excuse that can be used

English Wiktionary, “口實” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%8F%A3%E5%AF%A6 · confidence: Medium (Wiktionary, Hokkien)