a bolt from the blue


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a bolt from the blue

Something unexpected or surprising. We always thought of Michael as a life-long bachelor, so it certainly was a bolt from the blue when he returned from his vacation sporting a wedding ring!
See also: blue, bolt

a bolt from the blue

  also a bolt out of the blue
something that you do not expect to happen and that surprises you very much The news that they had got married was a bolt from the blue. He seemed to be very happy in his job, so his resignation came as a bolt out of the blue.
See also: blue, bolt
References in periodicals archive ?
THE world 100metres record has fallen to a Bolt from the blue.