I tend to putter around outside when I have no idea where to go.

我没事可做时总喜欢在外面闲荡，不知道该去哪里。

金山词霸

"Such beautiful dresses. I'd no idea Milan was so amazing," she exclaimed.

“这些连衣裙太漂亮了。我没想到米兰是如此的令人惊叹，”她赞叹道。

金山词霸

Through which channel did he get to know your mother?" — "I have no idea.

“他是通过什么渠道认识你母亲的？”——“我不知道。”

金山词霸

I had no idea you'd return without any warning.

我没想到你会毫无预兆地回来。

金山词霸

All of a sudden, why did he develop such an unexpected fascination?" — "I have no idea.

“突然间，他为何产生这种出乎意料的迷恋？”——“我也不知道。”

金山词霸

I've no idea how to dress properly.

我根本不知道如何得体地穿衣。

金山词霸

Dazed and confused, I had no idea how to begin.

我感到茫然困惑，不知道该如何开始。

金山词霸

I have no idea about how to prepare those cuttlefish and lobsters.

我对如何烹调那些乌贼和龙虾毫无概念.

《简明英汉词典》

I had no idea of the gaffe which I was committing.

我不清楚我犯了什么错误.

《简明英汉词典》

If you have no idea about it, consult a dictionary, please.

要是你对这个问题不清楚, 请你查字典得了.

《现代汉英综合大词典》

I have no idea ( as to ) what you mean.

我一点儿也不明白你的意思.

《现代英汉综合大词典》

I had no idea of his age.

我不知道他多大岁数了.

《简明英汉词典》

Betty had no idea what male chauvinism was.

贝蒂不知道大男子主义是怎么回事.

《简明英汉词典》

He was so beastly, you've no idea.

你不知道他有多残暴.

《简明英汉词典》

I was forced to admit with a bright red face that I had no idea.

我被迫涨红着脸承认我毫无头绪。

金山词霸