mén​shangmén​shàng

on the door

mén​shang on the door

  1. door
    door; gate; gateway; doorway; opening
  2. shang locative
    on
    (suffix) on; in; at; on the surface of; used after a noun to indicate a location, scope, or aspect

mén​shàng gatekeeper

  1. door
    door; gate; gateway; doorway; opening
  2. shàng adjectivenoun
    upper
    top; higher; superior; better; used to describe something in a higher position or rank