腕うでを上あげる

expression, ichidan verb

improve one's skill; get better at something

Used when someone's ability noticeably improves, often through practice or experience. The 腕 here refers to one's skill or ability, not the physical arm.

• 最さい近きん、彼かれは料りょう理りの腕うでを上あげた。

  Lately, he has improved his cooking skills.

• 毎まい日にち練れん習しゅうすれば、すぐに腕うでを上あげられますよ。

  If you practice every day, you'll improve your skills quickly.