Unfortunately, even if you´re pretty good at english, there will come a time when your reading ability seems rather useless.
I was playing Lunar Silver Star Story and I arrived at a village, where you hardly could understand, what the people were saying. Here´s an example:
"I dun herd it sed that there´s sum kind uh really smart fella livin´ at thuh top ur that thang."
It took me a while to figure out what he was trying to say...