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。
I don't mean to be forward, but it caught my attention.
There's no rush on your reply, take your time.
I'm sorry to put you to the trouble.
Forgive me for asking, but...
I won't insist, of course.
If it's alright, could I have a moment later?
If you don't mind, could you tell me why?
If I may be so bold, let me make a suggestion.
I apologize if I've offended you.
Just to add, for the record...
I'm sorry to bother you when you're busy.
Please don't trouble yourself; carry on.