thut-thâu-pit禿頭筆

poor writing ability

poor writing ability; low skill at composition

English Wiktionary, “禿頭筆” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E7%A6%BF%E9%A0%AD%E7%AD%86 · confidence: Medium (Wiktionary)