闭门不出
      Explanation: Do not go out behind closed doors, means to prevent contact with the outside world
      Usage: -Linked; as predicate, object; means no communication with the outside world
      Source: Southern Song Fan Ye, "History of the Later Han Bi-pass": "Jing actually owned the field, not behind closed doors, said disease."
      Examples: He always ~.
  • Thesaurus:  turn in on oneself, live in complete seclusion, Retreat has sweeping