All of them ARE desperate to be anywhere but here. Anywhere but here = anywhere except here IN other words, they are desperate to get out of here and go somewhere else. The hate the place they are in right now.

I think this sentence means that all people want to be anywhere else but not to be here!

It means that they want to be somewhere else other than in this place.

这句话是什么意思？ 这个句子是什么意思？