黄泉之下
      Explanation: Land of the Dead: an underground fountain, died buried. Refers to the place of burial after death.
      Source: "Year of Zuo hidden": "oath, saying: 'less than their lives, without seeing too'."
      Examples: At that did not know I do not know the ~, it really Happy happy. (Qing, Culture and Sport "Heroic Biography" Eighteenth back)