noun, noun or participle which takes 'suru'
Refers to practiced skill or deftness, often in a craft or performance. Can be used as a suru-verb (手練する) to mean 'to practice or master a skill', though this usage is somewhat literary.
See also: 手練れ (てだれ)
彼の手練には誰もかなわない。
No one can match his skill.
長年の手練によって、彼は名人と呼ばれるようになった。
Through years of practice, he came to be called a master.