out of the blue的意思

解释：出其不意，出乎意料out of the blue 是什么意思及中文翻译：出其不意，出乎意料包含out of the blue的短语a bolt out of the blue 晴天霹雳out of the blue 相关例句The news was a great shock to me; it came absolutely out of the blue.这个消息，对我是一个很大的打击...