Related Clues:

• Very tiring work
• Work away, almost leisurely, to get a lot of money
• Long, hard work
• The lowly worker — being released, he'd plod on
• Laborious job
• Second record is hard work
• Arduous job, initially, sawing wood
• Hit hard with fist or bat
• Real grind
• Walk laboriously around, for example, Dublin, an old city, close to perfect
• Spell of arduous work
• This is taking fore-e-ever
• A three-hour movie might be described as one
• Plod perseveringly
• Hardly a jaunt