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 hope this isn't too personal, but...
I'm sorry, I should have been more thoughtful.
I'm sorry for the trouble, but thank you in advance.
Please, only as far as it's reasonable for you.
To put it without ruffling any feathers...
If anything bothers you, please don't hesitate to say so.
Just so you know, I'll mention this.
I apologize for the abrupt request.
I'm sorry, this is on my end, but...
Let me just add one thing to be safe.
I'm terribly sorry, but could you bear with me a moment?
I know you must be busy, but...