一死一生
      Explanation: Means that the critical moment of life and death.
      Source: "Historical Records" Aspirations before the public as Ting Wei Zhai, guests fill up doors; and waste, can be installed outside the bird-Lo. Kung Fu for the Ting Yu Zhai, guests who are heading for, ZHAI Department of the door said, is a big 'a dead life, I realized that friendship. '"
      Examples: Love knows no private day, ~ afraid of such calculation. ★ Tangwang Han "Songs Crescent phase and resentment"