| 单词 | out of the blue | 
| 释义 | out of the bluephrase   See full dictionary entry for  blueIf something happens out of the blue, it happens unexpectedly.  One of them wrote to us out of the blue several years later. out of the blue in British Englishapparently from nowhere; unexpectedly  the opportunity came out of the blue out of the blue in American English as if from the sky; without being expected or foreseen  out of the blueunexpectedly  Turner's resignation came out of the blue in the aftermath of his team's 3-0 defeatat Portsmouth. Examples of 'out of the blue' in a sentence | 
	
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