At first, he was blissfully unaware of the conspiracy against him.

起初，他对反对自己的阴谋全不知情，还在优哉游哉。

《柯林斯英汉双解大词典》

But I was blissfully unaware of the storm that raged in the background.

但是，幸福的我确没有觉察到身边轰轰烈烈的社会变革。

youdao

Genes simply blindly code for the production of proteins, blissfully unaware of their ultimate long-range effects.

它只是为蛋白质的生产盲目地编码，谢天谢地，基因对于这些蛋白质的终极长期效应则浑然不知。

youdao

Mr Hoecker said most Germans were blissfully unaware of the English stereotype of them hogging loungers.

BBC: NEWS | Europe | German sun lounger issue settled

If you are blissfully unaware of the Republican-Democrat partisan artillery, the sequester is part of the 2011 Budget control Act.

FORBES: Sequester's March 1 Deadline Not Final, Delay Could Help Republicans

The IOC was blissfully unaware of the repercussions that would ensue, only further proving that they had no understanding of the power of social media.

FORBES: A New Social Media Strategy for the Olympics, Future Sporting Events