Related Clues:

• Tussled with
• Laced into
• Did battle with
• Battled
• Went after aggressively
• Attacked, as a challenge
• Really dug into
• Laid into
• Threw oneself into
• Assaulted, e.g
• Dove into vigorously, as work
• Attacked aggressively
• Went to town on
• Started working on
• Began devouring, say