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

how/what/why, etc on earth?

informal
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 Learners Dictionary © Cambridge University Press)
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Translations of “how/what/why, etc on earth?”

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