Hi guys, I participate in a lot bounties lately and I am bothered by one thing.

How can you become a translator when every single bounty requires some proof of former work? It would be no problem for me to translate an english whitepaper/website/ANN into my mothertongue, but with no former translations my requests always get rejected.
Is there any way to get in? 

If there are some translators how did you start? Did you just get lucky?