卓有成效 [－－－－]

Jyutping coek3 jau5 sing4 haau6
Pinyin zhuó yǒu chéng xiào

Definitions (CC-CEDICT)
  1. highly effective
  2. fruitful
Definitions (Wiktionary)
  1. phrase, idiomatic
    with outstanding results; highly effective; fruitful
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）