Question

It's not a big deal的具体意思

It's not a big deal这句话被翻译为：不是什么大不了的事。
但理解起来有几种意思
在别人遇到什么他自己能解决的困难时，说这句话，鼓励他自己去解决这个问题
在某个人生一个小病时，然后有人询问情况，说这句话，意思是说这个病不是那么严重那么大不了的病
两个都对吗？

Answer 1

It's not a big deal这句话翻译为：不是什么大不了的事。
两个都对.
Please read the following sentences, your understanding to it would be better. Good luck!

To piffle is not a big deal, I think.
侃大山也没什么不好的吧。
Not a big deal... two stitches only....
拆线???缝左几针？我以为小小擦损添
Yes, but he brushed it off as if it were not a big deal to him.
但他轻轻带过颐指气使。
Well, having dinner with somebody is not a big deal, isn't it?
某人共进晚餐也不是什么大不了的事!
It's not a big deal, at least he didn't get suspended.
这不是什么大事儿,最起码他没被停学。
These are only some small sweet it, is not a big deal of things.
这些都只不过是一些甜蜜的小而已，又不是什么大的事情值得再讲。
TO LEARN ENGLISH WELL IS NOT A BIG DEAL FOR ME. IT IS EASY.
对我来说，学好英语没有什么了不起。很简单.
Quit crying, will you? You know losing money is not a big deal.
别哭了,行吗?丢钱而已嘛,没什么了不起。
For another three years is not a big deal, it just like in a twinkle to me.
再等三年了。没大不了的,也不就是我多眨几眼嘛。
So, availing right answering machine for your business is not a big deal now.
如何治疗红血丝、红血丝怎么治、面部红血丝的治疗、康本治疗，百闻不如一用。

Answer 2

可以，还有一种是：这不是一笔大的交易