How to describe the sharp decline in physical condition?

The word to describe the sharp decline in physical condition can be said to be from bad to worse.

From bad to worse, Chinese idioms mean that the situation is getting worse and worse, which can be used to describe the body getting worse and worse.

Being in bad health is not a bad sentence, but it is correct to describe getting worse and worse. It means the more obvious the worse. From the Southern Song Dynasty writer Hong Mai's "Rong Zhai Continued? Turtle divination As predicate, attribute and adverbial; Describe going downhill.