bô-pòaⁿ-phiat無半撇

incompetent

incompetent; incapable; limited (of one's skills, knowledge, etc.)

English Wiktionary, “無半撇” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E7%84%A1%E5%8D%8A%E6%92%87 · confidence: Medium (Wiktionary)