我对这个问题还有一些疑问，翻译

Question

我对这个问题还有一些疑问，英语怎么说
可以，
如果用puzzle这个词怎么说

Answer 1

I am still not sure about this problem.

Answer 2

I still doubt about this question.
I am still puzzled with this question.本回答被提问者采纳

Answer 3

不错。i am still puzzle with the problem

Answer 4

I still have a little doubt about this problem.
The problem still puzzled me.

Answer 5

是真的一个题目对吧？
I'm still not quite clear about the question.