BEOLINGUS
Dictionary - TU Chemnitz

 English  German

to be the use of doing sth.; to be the odds of doing sth. [Br.] [coll.] es gut sein; es bringen [ugs.] {vi}

What's the use of it?; What's the odds of that? [Br.] [coll.] Wozu soll das gut sein?; Was soll das bringen?; Was bringt das?

She'll do it anyway, so what's the use/odds of telling her not to? Sie macht es so oder so, also was bringt's, wenn ich es ihr verbiete?