Related Clues:

• Child labor?
• Plod through mud
• It's no fun at all
• Delivery room urging
• Regular duty
• Milking the cows, e.g.
• Work that's no fun
• Energetic effort
• Dusting, e.g.
• Bit of a grind
• Go, as through mud
• Table clearing, e.g.
• Give a shove to
• Trudge through mud
• Walk doggedly