"[save] {one's} [skin|neck|hide|bacon]" 的定义和意义

What is the origin of the idiom "save one's skin" and when to use it?

The idiom "save one's skin" has origins in the idea of preserving one's physical well-being or avoiding harm. It is a figurative expression used to describe actions taken to ensure one's safety or protect oneself from danger, often at the expense of others or in challenging situations.