You can come at the drop of a hat and win this battle.

Come when you are called, you can fight when you come, and winning is: come when you are called, you can fight when you come, and you will win the battle. "Come at once" means to give an instruction and it will be carried out immediately. Militarily, it is used to describe a rapidly assembled and well-trained army. Summon: To summon or instruct. Come: come, it means to execute.

The original text is: We should seize the key of strengthening the army, strengthen the thinking of officers and men to fight as soldiers, lead troops to fight, and train them to fight, firmly establish the only fundamental standard of combat effectiveness, carry out construction and make preparations according to the requirements of war, and ensure that troops can come at the call, fight when they come, and win the war. Excellent work style is the distinctive feature and political advantage of our army.