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'm terribly sorry, but could you bear with me a moment?
Just so you know, I'll mention this.
Whenever it's convenient for you is fine.
To put it without ruffling any feathers...
Please don't trouble yourself; carry on.
I'm sorry for the trouble, but thank you in advance.
Just to add, for the record...
I hope this isn't too personal, but...
If I may be so bold, let me make a suggestion.
Only if you're comfortable with it.
If it's alright, could I have a moment later?
I'm sorry, I should have been more thoughtful.