He tried to repair the engine but 'without success'. [=he was not able to repair the engine]
He will never 'succeed in' this business. [=he will never be successful in this business]
I am one of the diet clinic's 'success stories'. [=the diet clinic was able to help me]
(..) - Who? - With the hat, where is he? - He went that way. WITNESS: I think he took your wallet. I think he took his wallet. Doc, success. Everything's cool. DOC: I'll be there. Lorraine. Marty, that was very interesting music. LORRAINE: I hope you don't mind. (..)1989 Back to the Future Part II