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。
If I may be so bold, let me make a suggestion.
Please don't trouble yourself; carry on.
If it's alright, could I have a moment later?
Whenever it's convenient for you is fine.
Forgive me for asking, but...
I'm terribly sorry, but could you bear with me a moment?
There's no rush on your reply, take your time.
I'm sorry, this is on my end, but...
Just do what you can, that's fine.
Just so you know, I'll mention this.
I don't mean to be forward, but it caught my attention.
To put it without ruffling any feathers...