磨みがきをかける

expression, ichidan verb

polish up; refine; hone

Used for improving a skill, technique, or quality through effort. Often implies adding a final touch or bringing something to a higher level.

• 彼かれは毎まい日にち練れん習しゅうして、ピアノの腕うでに磨みがきをかけている。

  He practices every day to polish his piano skills.

• プレゼンの内ない容ように磨みがきをかけてから本ほん番ばんに臨のぞんだ。

  I refined the presentation content before the actual event.

expression, ichidan verb

polish by rubbing

Literal physical polishing, such as shining a surface or object by rubbing. Less common than the figurative sense.

• 職しょく人にんが刀かたなに磨みがきをかけて、刃はを輝かがやかせた。

  The craftsman polished the sword, making the blade shine.