Search the dictionary A Chinese word or character, or English Draw a character Search 2 entries. lúhuǒchúnqīng 炉火纯青 the stove fire has turned bright green (allusion to Daoist alchemy) (idiom) lúhuǒchúnqīng 爐火純青 the stove fire has turned bright green (allusion to Daoist alchemy) (idiom)