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.
(..) - Hey. Congratulations. Thanks. You know, I wanted to say that you were really good tonight. You were brave. Yeah. Anyway, you should get back to your friends. Okay. If you're ranked above the red line, (..)2014 Divergent
(..) Or one of you concedes. According to the old rules. New rules, no one concedes. You really want to lose 'em on their first fight? A brave man never surrenders. Lucky for you, those weren't the rules when we fought. You'll be scored on this, so fight hard. Go! (..)2014 Divergent