one's life is uncertain
Life or death is uncertain, Chinese idiom, Pinyin is sh ē ngs ǐ w è IB ǔ, meaning that the outcome of life or death is still difficult to determine. From the complete biography of eight immortals.
The origin of Idioms
The 25th chapter of the complete biography of eight immortals by Taoist Wugou in Qing Dynasty: "the urgent thing is that mother's life and death are uncertain. I'm afraid that I can't speak when I see her face. It's just like not seeing her. Can't it hurt?"
Idiom usage
As a predicate or attribute; used in spoken English, etc.
Examples
He has not been heard from for years since he ran away from home.
Analysis of Idioms
Life and death are uncertain
one's life is uncertain
the breaking of rock frightens the heaven - shí pò tiān jīng