“岌岌可危”，汉语成语，意思是非常危险，快要倾覆或灭亡。可以翻译为“in imminent/impending danger， in a precarious situation”等。与英文习语“on the rocks”意思相近，表示“(of a relationship or enterprise) experiencing difficulties and likely to fail”。

例句：

病人的生命岌岌可危。

The patient was in imminent danger.

六个月前，她向母亲透露自己的婚姻已经岌岌可危。

She confided to her mother six months ago that her marriage was on the rocks.