腕うでが上あがる

expression, godan verb (-ru)

improve one's skill; get better at something

Used when someone's ability or technique noticeably improves, often through practice or experience. The subject is usually a person, and the phrase focuses on the skill itself rising.

• 毎まい日にち練れん習しゅうしたおかげで、ピアノの腕うでが上あがった。

  Thanks to practicing every day, my piano skills improved.

• 彼かれは最