我只想争气(英文翻译)

"我只想"的话用"I just want to"比较贴切吧.."only want to "太直译了.
I just want to prove myself.就可以.

I only want to prove myself better.

应该是I only want to prove myself better.

I only want to make a good showing!

I just want to be good.

I just want to regain my dignity.