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.
(..) Nine years old, has great ambitions. Listen, about my last visit... Pish-posh, we needn't talk about it. I's water over the dam or under the bridge or wherever you like it. But you made a brave move in telling me the truth. And I'm proud of you. And I thank you, and l... I love you, Peter. (..)2004 Spider-Man 2