no idea的意思是不知道、没有想法。例句：Im damn sure she had no idea. 我敢肯定她不知道。We had no idea what was happening. 我们不知道正在发生什么。I have no idea how he got into Iraq. 我不知道他是怎么进入伊拉克的。

相关介绍：

I had no idea the beach was so close.

我不知道海滩原来这么近。

"I'd no idea Milan was so wonderful," he raved.

“我之前不知道米兰是那么棒，”他感叹道。

I'm so sorry – I had no idea you felt that way.

我很抱歉–我不知道你是那样想的。

Let's get this straight—you really had no idea where he was?

我们把这个明确一下—你当时真的不知道他在哪儿？

Steve looked blank and said he had no idea what I was talking about.

史蒂夫显得很迷惑，说他不知道我在说什么。