Correct

垂危

/ chuíwēi /
Strokes

Definition

close to death/life-threatening (illness)

Example

As an Adjective

critically/terminally ill; on one's last legs; at one's last gasp; close to/approaching death

1
shēngmìng
生命
chuíwēi
垂危

He lay/hung between life and death. / He was nearing his end.

2
Zài
shēngmìng
生命
chuíwēi
垂危
zhī
之际

at the very margin of life

3
Chuíwēi
垂危
de
bìngrén
病人

dying patient

As an Adjective

(of a nation) in great peril