良工心苦 [－－－－]

Jyutping loeng4 gung1 sam1 fu2
Pinyin liáng gōng xīn kǔ

Definitions (CC-CEDICT)
  1. expert craft from hard practice (idiom); hard-won skill
  2. A masterpiece demands suffering.
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）