【1+1英文】

Angela: "Why did she do that?"
Andy: "I have no idea. It was completely out of the blue."

【1+1中文】

安吉拉：她为什么会那样做呢？
安 迪：我也不知道。突然之间就这样了。

【1+1解析】

It is as if suddenly it started raining on a day when the sky was clear and blue.
中文意思：突然，晴天霹雳。