一曝十寒 [－－－－]

Jyutping jat1 buk6 sap6 hon4
Pinyin yī pù shí hán

Definitions (CC-CEDICT)
  1. one day's sun, ten days' frost (idiom, from Mencius); fig. to work for a bit then skimp
  2. sporadic effort
  3. lack of sticking power
  4. short attention span
Definitions (Wiktionary)
  1. phrase, figuratively, idiomatic
    to work for a bit then skimp
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）