What can I do to develop my experience in the field photoshop and translation?

I think serching in internet will help you to learing photoshop ,download learing vedos from youtube and practis , i hop my answer help you

In the field of translation you need to constantly work on the following:
1- Increasing your pool of vocabulary
2- Always be eager to learn international expressions that you already know in your mother tongue language
3- Never lose contact with language even if for a month!
4- Always watch subtitled movies and never synchronized.
and finally always be eager to use the language you're intending to be translating!

check this website it will help u alot http://psd.tutsplus.com/

you can see many of design and do like that , Photoshop jest idea, Photoshop mean what you want to do?

Continuous training and continued to employ all the tools in the service of design program