pòaⁿ-lō͘-sai半路師

one who lacks adequate knowledge or skills

one who lacks adequate knowledge or skills; dilettante; smatterer; dabbler

English Wiktionary, “半路師” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%8D%8A%E8%B7%AF%E5%B8%AB · confidence: Medium (Wiktionary)