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.
(..) need to be fighting... - Who the fuck are you? - Hold on. Yeah, who the fuck are you? I was a soldier once. All my superiors thought I was brave. I wasn't. I mean, I never ran from a fight. Only because I was afraid my friends would see I was afraid. That's all I was, a coward. (..)2016 TvShow: Game of Thrones Title: The Broken Man Season: 6 Episode 7