In English mean throws the swinging back elbow

This elbow trick is used when the opponent throws the elbow or the punch and misses the targets, such as: throws the right punch and misses the target then turns up and steps the left foot at close quarters, at the same time strike to the opponent's face with the left swinging back elbow. This trick is used to attack.

To protect
If the opponent strikes with the left elbow, raise the left arm to guard/ if the opponent strikes with the right elbow, raises the right arm to guard.

To counter
Throw the toot, which is the same side of the arm that is raise" to guard, to the opponent's rib and throw the opposite elbow to the opponent's neck or head.