Possible Clues:

• How one stands by?
• Poem cut and edited to be on standby
• Without a specific goal
• Without aim
• In vain I would play, ignoring the odds
• 'Without enthusiasm, but a V might be added with enthusiasm (4)'
• In a frivolous way
• Relaxed way to sit by
• See 3 Down
• 'You nailed it!'