Related Clues:
- Work hard and persistently
- Make sharper, as a blade
- Polish one's skills
- Raise pitch of instrument secured by former nurse
- Crush, oppress; hard work
- Pound: that'll bring smile to daughter
- Restore edge to knife
- To prepare coffee beans is hard work
- Sharpen (a blade)
- Hard dull work
- Hard labour that's good and hard outside
- Smile died, seeing hard slog
- Partner to bump in erotic dance routine
- Perfect Polish?
- Prepare to use, as a pencil