Question

帮忙把这句话翻译成中文，谢谢

3月12号的时候我和我的老朋友当然还有她妈的大力支持和帮助下开的网店，做出了第一笔生意。

Answer 1

On march the 12th, the online shop which was created by my old friend and I under the powerful supportance and help from my friend's mother certainly done the first deal.

1楼软件狗不用说了，
2楼朋友表达的是在朋友妈妈大力帮助下完成了第一笔生意。楼主意思是开店是朋友妈妈帮的！
3楼朋友的是在朋友妈妈帮助下开了店，完成了第一笔生意，都是在3月12号发生，但是这里说开店是以前的事，第一笔是3月12号。

Answer 2

In March 12 time I and my old friend certainly also has under her mother's support and the help vigorously the net shop, has made the first business.

Answer 3

On March 12, my friend and I, (of course) with the support from his mun, we openned our online shop,finnishing our first deal.

Answer 4

On March the 12th,the net shop of my old friend and I made a first deal under the great support of her mother.