sur le pied de guerre

Etymology
Compare 🇨🇬.

Prepositional phrase

 * 1) on a war footing in a state of preparedness for waging war; ready to go to war; ready to go into battle
 * 2)  in fighting trim in good preparation or condition; ready to confront a challenge
 * 1)  in fighting trim in good preparation or condition; ready to confront a challenge