命在朝夕

Explanation: Also known as "gravely ill." Describe life in critical condition. "Two Han Gong Biography": "Win replied: 'plain stupid, to be old to be sick, life in day and night, sympathizing with the road, the road to die,'" "Four Travels Tieguai furious Lu" : "This row seventy-two days gate array in Kowloon Valley, Songbing not get broken, Rokuro gravely ill."