bô-puànn-tsìng無半症

incompetent

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

English Wiktionary, “無半症” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E7%84%A1%E5%8D%8A%E7%97%87 · confidence: Medium (Wiktionary, Hokkien)