"She pulled back her fingers a second before they were sliced off."
So, does she still have her fingers? The sentence could use disambiguation.
disambiguate TFD
To establish a single grammatical or semantic interpretation for
As in:
"She pulled back her fingers a second before they would have been sliced off."
"She pulled back her fingersor
"She pulled back her fingers a second late and they were sliced off."
Likely this question is from a second before theysentence in Dan Simmons book would have beenHyperion sliced offgoogle books." It's SciFi. The paragraphs following the sentence are unrevealing as to the fate of the fingers. I have not read the book. Indeed it is an ambiguous sentence. Poetic license!