Learn what "what in the world happened" means, when people say it, and how to use it naturally in English.

It is a common way to ask for an explanation when something unexpected or confusing has happened.
From The Escaping Mistress, Episode 33
Someone asks what happened because they are confused and want an explanation.
Use this when you are surprised, confused, or trying to understand a situation. It works in everyday speech and is very searchable as a phrase meaning question.
Scenes unlock real expressions as you watch
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