4.乙左弹腿、甲退步刮削
B: Left spring kick; A:Vertical chopping palm with retreat step
乙身体右转90°，左腿向甲腹部弹踢，目视甲方。甲右腿后退成马步，左掌向乙左脚刮削，右拳收于腰间（图5-3-36）。
B turns the body to the right at 90 degrees, and the left leg to spring kick at A's belly, and keeps the eyes looking at A.A steps the right leg backward to form horse riding stance, and has the left vertical chopping palm at B's left leg, with the right fist retaking to waist（Fig.5-3-36）.
