What is the metaphor of a comeback?

A "comeback" is a metaphor for changing one's position, exposing, attacking or hurting the original side. The basic definition of counterattack is: the tactics of turning around and suddenly attacking the pursuer.

Extended content: Carbine is a kind of traditional martial arts in China, and its category is gun. The details about the operation are: the key is not to "stab back", but to "return to the Spurs". It is to deliberately lure the enemy to catch up, wait for the enemy to stab him in the back with a gun, take the opportunity to turn the horse's head, and make himself and the enemy's horse into an L-shape before attacking. At this time, the enemy's weapon was assassinated on the horse before it could be pulled back to resist.

Later, the carbine also evolved into a way of attacking the ground, and it can be used without riding a horse. Also known as backstab, backstab's part is the waist.