ichidan verb, transitive verb
temper thoroughly; forge to perfection
Used for metals, blades, or materials that are repeatedly heated and hammered to improve strength and quality. Implies a careful, intensive process.
See also: 鍛える (きたえる)
刀匠は鋼を何度も鍛え上げる。
The swordsmith tempers the steel thoroughly, heating and hammering it many times.
ichidan verb, transitive verb
train thoroughly; drill intensively; hone
Used for people, skills, bodies, or minds that are developed through rigorous, repeated practice or discipline. Often implies a long-term, dedicated effort.
See also: 鍛える (きたえる)
彼は毎日の練習で体を鍛え上げた。
He trained his body thoroughly through daily practice.
厳しい稽古が彼女の演技力を鍛え上げた。
The rigorous training honed her acting skills.