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English definition of “a bolt from/out of the blue”

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a bolt from/out of the blue

something completely unexpected that surprises you very much: The news of his marriage was a bolt from the blue.
Translations of “a bolt from/out of the blue”
in Chinese (Traditional) 出人意料的事情, 睛天霹靂…
in Chinese (Simplified) 出人意料的事情, 睛天霹雳…
(Definition of a bolt from/out of the blue from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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