brace up

Don't fib; brace up and make a clean breast of it, and if you need advice I am full of it.

Accordingly the Latin phrase which literally means “Gird up your loins” was translated “Brace up!”

And under this inspiring kind of talk the track captain did brace up, so that he even allowed a smile to creep over his grim face.

Brace up man, and try to look as near like yourself as you can.

But let me tell you, my boy, this baby ought to make you brace up.