锤炼
chuí​liàn

to forge

chuí​liàn to forge
  1. 锤 錘 chuí noun
    to hammer
    to strike or beat with a hammer; to forge or hammer metal into shape
  2. 炼 煉 liàn verb
    to refine
    To heat a substance to remove impurities, extract a component, or strengthen it; to smelt, refine, or temper

chuí​liàn to steel oneself
  1. 锤 錘 chuí noun
    to hammer
    to strike or beat with a hammer; to forge or hammer metal into shape
  2. 炼 煉 liàn verbnoun
    to train
    To improve one's character, skills, or physical fitness through practice or experience; often confused with 练 liàn

chuí​liàn to polish
  1. 锤 錘 chuí noun
    to hammer
    to strike or beat with a hammer; to forge or hammer metal into shape
  2. 炼 煉 liàn
    to polish
    To carefully polish or refine writing to make it concise and precise