{f} be successful; achieve an objective; accomplish something difficult (e.g., "I didn't think my son could get 100% in the Physics course, but he brought it off")
be successful; achieve a goal; "She succeeded in persuading us all"; "I managed to carry the box upstairs"; "She pulled it off, even though we never thought her capable of it"; "The pianist negociated the difficult runs"
If you bring off something difficult, you do it successfully. They were about to bring off an even bigger coup He thought his book would change society. But he didn't bring it off. = pull off