Just curious

[letslearn]

Hi guys,
I was wondering of the use of curious and just curious in English ,translated into japanese.
Like in the following situation. Would the this an appropriate response?

What do you need the information for?

別に。 知りたいだけ ( nothing just curious )

What is he like?

好奇心の男です。 (he is a curious man)

Welcome you thoughts.
よろしくお願いします

 

[Toritoribe]

彼は好奇心が強い for the latter example.