英语表达“我想请教您一些关于xx的方面的问题“

I want to ask you some questions aboutXX.

I want to consult you some questions aboutXX.

I wanna ask you some questions about**.

i want to know something about XX

I want to consult some problems about..

如果用客气的说法，最好是 I would like to ask you something about XXX.

wanna是十分口语的，want to较wanna好点。

I'd like to ask you some questions about.....

I'd like to know some questions about./...