日本語をクリックすると英文が表示されます。まずは自分で英語にしてから答え合わせを。
This is just to be safe, so please don't take it the wrong way.
Only if it's possible; no pressure.
I feel bad asking this, but...
I'm sorry to bother you when you're busy.
I hope I'm not overstepping, but just one thing.
I apologize if I've offended you.
I'd like to ask, if it's not too much trouble.
If you don't mind, could you tell me why?
Whenever you get a chance is fine.
I won't insist, of course.
If you don't mind my asking, could I ask you something?
I'm sorry to put you to the trouble.