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English definition of “as every schoolboy/schoolchild knows”

as every schoolboy/schoolchild knows

used before you mention a fact that is familiar to everyone, including children: As every schoolboy knows, the Earth revolves around the sun.
(Definition of as every schoolboy/schoolchild knows from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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Translations of “as every schoolboy/schoolchild knows”

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