he fled,slamming the front door behind him .这里的behind怎样理解,怎样翻译

问题描述:

he fled,slamming the front door behind him .这里的behind怎样理解,怎样翻译

 翻译: 他砰地关上了身后的大门,逃离了.
  behind 在这里是介词 prep.
  在...的背后;在...的后面;向...的背后
  例如:
  There is a garden behind the house.
屋后有个花园.