Clue | Source | Date |
---|---|---|
Brush up on a fading skill, perhaps | LA Times Daily | 16 Dec 2022 |
Sharpen anew | New York Times | 09 May 2015 |
Sharpen anew | ||
Whet again | ||
Whet again | ||
Make even sharper | ||
Make even sharper | ||
Improve an edge | ||
Sharpen again | ||
Sharpen again | ||
Make even sharper |