Possible Clues:

• Fencing phrase
• Procedure ultimately no good — read out words of warning
• Danger at sea: English prepare to fight!
• Grenade is being tossed — get ready!
• Phrase typically used when starting or restarting a fencing bout
• Drunk angered, raise your weapon
• In conclusion, newspaper upping ante finally — prepare for attack
• Fencer's warning
• Get ready to fence section of kitchen garden