ADC back and forth shaking refers to the action of hero attack. Swing forward refers to the hero's actions before and during the attack. For example, when a man attacks with a gun, he will raise the gun first and then shoot. The action from the moment the bullet is fired to the previous action is to shake forward. After the bullet is fired, he will raise the gun, make a recoil action, and then raise the gun. This is a backswing. Swinging back is a meaningless action. And shaking forward is a necessary action of attack. Hit-and-run refers to the instantaneous movement after the end of the forward swing, attack the forward swing again after the end of the backward swing, and continue to move after the forward swing attack. This is a hit-and-run League of Legends has an attack speed setting. The faster the attack speed, the faster the forward swing and the faster the backward swing. When the attack speed is slow, the backswing time will be long. For example, if the attack speed of an ADC is 0.6, the hero will make 0 in 1 second. Six attacks. In other words, in 4 seconds, the hero will attack about 2 times. Attack every 2 seconds. So suppose the hero makes a forward swing attack at 1.5 seconds, then the backward swing time from 1.5 seconds to 2.0 seconds is used to move or release skills. Until the end of the backswing time. Then shake it forward and attack. This is a hit-and-run