Possible Clues:

• Daily nine-to-five struggle
• Marathon without winners
• Soldiers with a bit of a struggle to succeed?
• Competitive struggle to get on in the world
• Start to regret a bit the day-to-day struggle
• Desert people in ruthless struggle for ascendancy
• The struggle to get on in life
• Artist to pursue struggle for survival
• Competition for power
• Competitive hurly-burly