Related Clues:

• Up to no good
• Keep ___ (persist)
• Go ___ (tussle)
• In a row
• Keep __ (persist)
• Take a crack __ (try)
• Sparring
• ''Look ___ this way ...''
• Busting one's back
• Having words
• Not procrastinating
• ''Look __ this way ...''
• Fighting tooth and nail
• Busy, busy, busy
• Have a go __ (try)