Related Clues:

• Pays under the table
• Wade knee-deep
• Make slow progress
• Trudge (through)
• Tiresome task
• Chinese money
• Trudge through sludge, e.g.
• Exhausting hike
• Walk laboriously
• Move through mud
• Walk through mud
• Move with effort
• Move through the mire
• Maneuver through mud
• Trudge through sludge