also: うでのよい
expression, i-adjective (yoi/ii class)
skilled; competent; good at one's work
Describes a person who is highly capable in a practical skill, craft, or profession. Often used attributively (腕のいい職人, 腕のいい医者).
彼は腕のいい料理人だ。
He is a skilled chef.
腕のいい大工を探している。
I'm looking for a competent carpenter.
Phrase composed of 腕 (arm, skill) + の (possessive particle) + いい/よい (good). Literally 'good of arm', metaphorically extending to manual dexterity and professional competence.