on the face和in the face的区别是?比如He hit Jack on the face 和 He hit Jack in the face 有什么区别?

in the face是指来脸上的外来异物.on the face是指脸上本来就有的.比如1、there is some water in your face because of the tiny rain.（你的脸被细雨打湿了）2、as usual,there are two eyes and a nose of course...