腕うでの冴さえ

noun

dexterity; skill

Refers to refined manual skill or craftsmanship, often implying practiced, impressive ability.

• 彼かれの腕うでの冴さえにはいつも驚おどろかされる。

  I'm always amazed by his dexterity.

• 職しょく人にんの腕うでの冴さえが光ひかる作さく品ひんだ。

  It's a work that showcases the craftsman's skill.