"[snatch] victory from the jaws of defeat" 的定义和意义

What is the origin of the idiom "snatch victory from the jaws of defeat" and when to use it?

The phrase "snatch victory from the jaws of defeat" originated from the Roman gladiatorial games, where winning gladiators who narrowly escaped death were said to have "snatched life from the jaws of death". Over time, the phrase has come to mean turning a situation around and winning after being very close to losing, and is now used to describe any situation where someone achieves success despite facing difficult circumstances.