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.
(..) I set out to make an incredible discovery to share with Trevor and the world. But now, I would trade it all... ...just to be able to watch you grow up... ...to be the brave and caring man... ...I am certain you will become. Happy birthday, Sean. I love you. Daddy." Goodbye, Max. (..)2008 Journey to the Center of the Earth