语音讲解：
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　　out of the blue

　　意外地；突如其来地

　　adv. phr. a surprise; not having any warning

　　意外地；突如其来地

　　1.A:Did you know that Ron asked me out last Friday? B:Really? That was out of the blue! I thought he’d be too shy to talk to you.

　　1. A: 你知道上个星期五罗恩约我出去吗？ B: 真的吗？那真出人意料！我还以为他太害羞不敢跟你讲话呢。