tùi-put-tsǔ對不住

to be unfair to

to be unfair to; to let someone down

English Wiktionary, “對不住” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%B0%8D%E4%B8%8D%E4%BD%8F · confidence: Medium (Wiktionary, Hokkien)