(うで)(みが)

うでをみがく
expression, verb phrase
to hone one's skills; to improve one's abilities; to polish one's craft
1. to hone one's skills; to improve one's abilities; to polish one's craft
To work on improving one's skills or abilities through practice and effort. Implies dedicated, ongoing effort to become better at something.
毎日(まいにち)練習(れんしゅう)して(うで)(みが)いている。
I practice every day to hone my skills.
料理(りょうり)(うで)をもっと(みが)きたい。
I want to improve my cooking skills more.
海外(かいがい)(うで)(みが)いてきたシェフだ。
He's a chef who honed his skills overseas.

IDIOM STRUCTURE:
(うで) (arm; skill) + を + (みが)く (to polish)

(うで) here means skill/ability. (みが)く (to polish) creates the metaphor of polishing or refining a skill like one would polish a gem or blade.

COMMON COLLOCATIONS:

  • 料理(りょうり)(うで)(みが)く - to improve cooking skills
  • 語学(ごがく)(うで)(みが)く - to improve language skills
  • 技術(ぎじゅつ)(うで)(みが)く - to hone technical skills
  • 日々(ひび)(うで)(みが)く - to polish skills day by day

NUANCE:

Implies:

  • Deliberate effort to improve
  • Ongoing process, not one-time action
  • Recognition that one can always get better
  • Dedication and commitment to improvement

SIMILAR EXPRESSIONS:

  • (わざ)(みが)く - to polish one's technique
  • 実力(じつりょく)()ける - to build up ability
  • スキルアップ(すきるあっぷ)する - to skill up (modern)
  • 研鑽(けんさん)()む - to accumulate training (formal)

RELATED EXPRESSION:
(うで)()るう - to show one's skill (complementary - first you polish, then you show)