Possible Clues:

• Do miles — work out here
• Drill team exercised � on this?
• Time to study philosopher? It's routine drudgery
• Start to study a philosopher? It's a drudge
• Student finally studied philosopher? Routine activity
• Poorly rated factory's exercise machine
• Drill team (anag) — routine drudgery
• Dreary repetitive work
• Until dream shatters, going through daily grind
• Exercise machine