千锤百炼
qiān​chuí​bǎi​liàn

carefully polished

qiān​chuí​bǎi​liàn carefully polished
  1. 千 qiān numeral
    many
    many; numerous; a large number
  2. 锤 錘 chuí noun
    to hammer
    to strike or beat with a hammer; to forge or hammer metal into shape
  3. 百 bǎi numeral
    numerous
    numerous; many; all kinds of; used to describe a great variety or large quantity
  4. 炼 煉 liàn
    to polish
    To carefully polish or refine writing to make it concise and precise

qiān​chuí​bǎi​liàn steeled by experience
  1. 千 qiān numeral
    many
    many; numerous; a large number
  2. 锤 錘 chuí noun
    to hammer
    to strike or beat with a hammer; to forge or hammer metal into shape
  3. 百 bǎi numeral
    numerous
    numerous; many; all kinds of; used to describe a great variety or large quantity
  4. 炼 煉 liàn verb
    to refine
    To heat a substance to remove impurities, extract a component, or strengthen it; to smelt, refine, or temper