良工心苦 liáng gōng xīn kǔ

DEFINITIONS

  1. expert craft from hard practice (idiom); hard-won skill
  2. A masterpiece demands suffering.

CHARACTERS

良 liáng good, virtuous, respectable
工 gōng labor, work; worker, laborer
心 xīn heart; mind, intelligence; soul
苦 kǔ bitter; hardship, suffering