McKee and his team now knew for certain that they had found the wreck, but were as yet unaware that it also housed a treasure trove of beautifully preserved artefacts.
I was unaware of the regulations.
Many people are unaware of just how much food and drink they consume.
She seemed quite unaware of the other people sitting around her.
She was unaware that she was being filmed.
But they were unaware of a lioness stalking them.
adj. blissfully unaware：（对不好的事情）幸好不知道的
We’re also blissfully unaware of popular culture and trends, so they have no influence on our consumer decisions.