半吊子 [－－－]

Jyutping bun3 diu3 zi2
Pinyin bàn diào zi

Definitions (CC-CEDICT)
  1. dabbler
  2. smatterer
  3. tactless and impulsive person
Definitions (Wiktionary)
  1. noun, colloquial, derogatory, figuratively
    hot-headed or impulsive person; one who leaves tasks unfinished, or the tasks which are unfinished
  2. noun, colloquial, derogatory, figuratively
    one who lacks adequate knowledge or skills; dilettante; smatterer; dabbler
    (syn.) 半路師, 半路师
Definitions (兩岸三地生活差異詞語彙編—Two Shores Three Places)
  1. 日常用語：臺
    半吊子
  2. 日常用語：陸
    二把刀