What is the origin of the idiom "loss of face" and when to use it?

The origin of the idiom "loss of face" is rooted in East Asian cultures, where "face" refers to one's social standing and reputation. In these cultures, losing face can have significant social consequences, leading to shame, embarrassment, and loss of respect. The phrase has since been adopted into English and is commonly used to describe any situation where someone experiences a loss of respect or prestige, whether it's in a personal or professional context.