翻译：我在这个公司已经工作五年了，不知道是不是自己真的不适合这个行业，好像一直没有太大进步。

I have been working in this company for five years, and I am not sure whether it is suitable for me to work in the industry.It seems that I have always been making not too much progress.

I have been working in this company for five years and do not know whether it is really not suitable for their own in this industry, it seems not much progress .

I have stayed in this company for 5 years ,but I don't know if I really like this job.Because I didn't make any achievement in those 5 years

要么换一家公司看看吧。
不过现在经济危机，还是将就一下吧