I've finished the translation and sent ithem to my friend forso theiry can help of censoringme edit.

To edit = to correct mistakes and improve the writing
To censor = when the government or authorities cut out information that they don't want the public to know

I hope everything goes well, though I am so worried now.

I am afraid of changing especially the policy.

Not sure what this means - can you leave me a comment and I can try to help?

I found out that when I becaome nervours, my stomach aches.

Present simple to describe a habitual action.

But I am getting better because I am controlling my fucture.