爐火純青 lú huǒ chún qīng

brought to perfection; masterful skill

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. fig. (of an art, a technique etc) brought to the point of perfection
  2. 2. lit. the stove fire has turned bright green (allusion to Daoist alchemy) (idiom)

Characters

Character Meaning
爐 lú
stove; furnace; variant of 爐lú
火 huǒ HSK 2
fire; hot (popular); fiery or flaming
純 chún
pure; genuine; unmixed
青 qīng HSK 5
green; blue; young (of people)