1The process of tempering or forging metal (heating, hammering, annealing to harden or shape metal).
刀匠は何度も鍛錬を繰り返して刀を作る。
A swordsmith forges a blade by repeating tempering and hammering many times.
鋼は適切な鍛錬と焼入れで強度が増す。
Steel increases in strength through proper tempering and heat treatment.
2Toughening, disciplining, or training of the body or mind; practicing to improve skills and character.
毎日の稽古は武道の鍛錬そのものだ。
Daily practice is itself the training in martial arts.
プロ選手は肉体的・精神的な鍛錬を欠かさない。
Professional athletes never skip physical and mental training.
困難を乗り越えることが人間を鍛錬する。
Overcoming difficulties strengthens a person.