a pat on the head

• 轻轻拍头

a pat on the head的用法和样例：

例句

1. When the circular motion on the backswing is too big or the straight-back backswing goes too far back, we find that the racquet head tends to get too far from the body.
   当向后引拍的弧线太大或向后引拍的直线太长，我们会发现，拍头就会愈发距离身体过远。