Used to stress how baffling or unexpected a situation is. How in the world did you solve that puzzle so quickly?
Pro Tip 2/3
Rhetorical Question
Often paired with rhetorical questions where the answer is not expected. What in the world were you thinking, jumping into the pool with your clothes on?
Pro Tip 3/3
Conveys Astonishment
Highlights the speaker's amazement or disbelief. Why in the world is this cat following us everywhere?