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.
(..) They call you the last dragon... They do. You have dragon's blood in your veins? It's entirely possible. What happened to the dragons? I was told that brave men killed them all. The brave men didn't kill dragons. The brave men rode them. Rode them from Valyria to build the greatest civilization (..)2011 TvShow: Game of Thrones Title: Cripples, Bastards, and Broken Things Season: 1 Episode 4