Tom no es consciente de lo que ha pasado.

Sentence Discussions Spanish
#1
English Translation

Tom is unaware of what has happened.

would “ignora” work?

#2
English Translation

Tom is unaware of what has happened.

“no es consciente de” (is not aware of) or “no se da cuenta de” (does not realize) work here but I would say not “ignora”. Ignoring (what has happened) conveys the idea that Tom is aware but chooses to ignore it.