She tried to 'put on/up a brave face/front' [=she tried to appear brave or calm] despite the pain of the injury.
The company was slow to enter the 'brave new world' of computer technology.
I had to 'brave the elements' [=go out in bad weather] to get to work.
(..) He come right on up to the desk. - Give him some room, Percy. - Huh? - See what he does. - All right. He's a brave little bastard. Gotta give him that. PERCY: Goddamn! You little scurvy! Damn! Percy, are you crazy, (..)1999 The Green Mile