功高不賞 [－－－赏]

Jyutping gung1 gou1 bat1 soeng2
Pinyin gōng gāo bù shǎng

Definitions (CC-CEDICT)
  1. high merit that one can never repay (idiom); invaluable achievements
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）