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Chinese
锻炼 / 鍛鍊 [duàn​liàn]
to toughen; to temper; to engage in physical exercise; to work out; (fig.) to develop one's skills; to train oneself
Japanese
鍛錬 鍛練 たんれん 同音

noun

  1. tempering (metal); annealing; forging
  2. toughening; disciplining; training
Korean
단련 [鍛鍊]
Noun
tempering; The solidification of iron by heating it in fire and beating it.; training; strengthening; The act of strengthening the body and mind.; training; The state of becoming familiar with something through repetition, or doing something in such a way.
Notes
Example Sentences
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