SHARPEN
| Date | Clue |
|---|---|
| 2024-09-13 | Improve, as an argument |
| 2020-07-03 | Fine-tune |
| 2008-03-28 | Make a point of |
| 2004-09-16 | Make a point, perhaps |
| 2002-07-16 | Make a point, in a way |
| 2001-05-25 | Get to the point of? |
| 2000-11-17 | Use an oilstone |
| 1996-09-13 | Give an edge |
| 1994-01-30 | Stimulate |