Originally Posted by Rob21
"Não dá" is almost a slang, it is related to a task being impossible to execute.
Thanks, marciovp, Rob21. There's a similar usage in English (well, originally North American
) - if someone tells you to do something that is impossible you say
"No way!"
Food for thought. We may never know the answer, given that that conversation virtually amounted to the poor guys' last words.