Related Clues:

• Start of much advice
• Give it a whirl
• Bring to justice
• Make a valiant effort
• Court-martial
• Test
• Take a stab at
• Have a go
• Don't give up
• Strain, as one's patience
• Take a whack at
• Take a shot
• Put forth effort
• 'Come right up!'
• "Don't hold back!"