研とぎたて

noun which may take the genitive case particle 'no'

just sharpened; freshly sharpened

Describes a blade that has just been sharpened and is at its sharpest. Often used with knives, swords, or tools.

• 研とぎたての包ほう丁ちょうはよく切きれる。

  A freshly sharpened kitchen knife cuts well.

• 研とぎたての刃は物ものには気きをつけて。

  Be careful with a just-sharpened blade.