Years later, he admitted that he had no idea that George Gershwin was such a successful composer.

VOA: special.2010.03.07

I just think that that's the whole moral issue is that there was no consulting of the cabin boy and that's what makes it the most horrible is that he had no idea what was even going on.

我只是觉得，最大的道德问题,就是根本没人征得过派克的意见,最可怕的是,他当时是完全被蒙在鼓里的。

耶鲁公开课 - 公正课程节选

She had no idea who Wallace Gray was or how he was involved in any of this.

VOA: special.2010.10.30

Then he would fall down on the floor again like a ball of dirt and start rubbing the side of his head with his back foot as if he had no idea he had been doing any more than any frog might do.

VOA: special.2009.08.29

Fosatti says he had no idea of the level of poverty that existed outside the developed world.

VOA: standard.2009.11.05

Louise, he's here. Now, when I got home,I had no idea, but Mama had all sortsof visitors.

VOA: standard.other