1. Because of the terrible situation, most of the bodies remain openeyed.

2. If you believe in such a probability approaching zero and feel safe, do you think it is right?

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Are the sentences above grammtically correct? Would you let me know better expressions?

No, the sentences are not standard English. I can't really make sense of either sentence. Here are some tips anyway...

1. It seems like the "bodies" are dead.
2. If you believe there is little risk, do you think it is right? (That is probably a better sentence, but "it" is unclear.)

Michael's sentences are good with one exception. In sentence 1, delete "like" and insert "as if" -- since there is a clause following.

=)

The first one wasn't meant to be a replacement for John's sentence. I was simply pointing out that it seemed as if the "bodies" were dead because of the way the sentence was written. ;)

1. The given sentence is grammatically correct, but it could be improved for clarity and style. Here's a suggested revision: "Due to the severe circumstances, most of the bodies remained with their eyes wide open."

2. The second sentence is grammatically correct, but it seems to have a missing context that makes it difficult to understand the intention behind it. Could you provide more information or clarify what you would like to express? That way, I can suggest better expressions or alternative phrasings accordingly.