Correct

危在旦夕

/ wēi zài dàn xī /
Strokes

Definition

in imminent peril (idiom)/on the brink of crisis

Example

Definition

hang by a thread; be in imminent danger; be on the verge of death or destruction

1
Gāi
yàosài
要塞
wēizàidàn
危在旦夕
  

The fort may fall at any moment. / The fort is now in a critical/desperate situation.

2
de
shēngmìng
生命
wēizàidàn
危在旦夕
  

His life is in imminent peril.