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English definition of “how/what/why, etc on earth?”

how/what/why, etc on earth?

used when you are extremely surprised , confused , or angry about something: Why on earth didn't you tell me before?Intensifying expressions
(Definition of how/what/why, etc on earth? from the Cambridge Learner's Dictionary © Cambridge University Press)

Translations of “how/what/why, etc on earth?”

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