No & not 'No' is used before nouns and adjectives when it means 'not any': No problem. That's no good - it's broken. He's no slimmer than he was before (Ele não está nada mais magro que antes). Otherwise not is used, especially before a, all, many, much and enough: Not many tourists come here. Not enough food for all of us. She's not stupid. The news was not good. Spelling 'Nobody' meaning 'no one' is always spelt as one word: There was nobody there (=no person). Compare: There was no body there (=there was  not a dead body there). home intermediate advanced