Buck up

I realized I needed to buck up and tackle the problem head-on.

I knew I had to try and buck up the rest of my team as well.

You better buck up or you'll never make it.

He started bucking up everything to management when he didn't get a raise.

He just bucked everything risky up to management.

Instead of dealing with the customer's complaint himself, he just bucked it up to his boss.

'Now' said Cameron, 'we must buck up; it's getting late. Now about the child, Boshy: she must come with us, you see.'