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 appreciate the concern, but I'm okay.
I can't accommodate on short notice, sorry.
It's beyond what I can do, so I'll be honest.
I'll take a rain check this time.
I think it's wisest for me to bow out this time.
Thanks for asking, but I'll skip it this time.
It's not my area, so I can't answer well.
Sorry, it just doesn't work out for me.
Could you check with someone else on that?
That role is more than I can shoulder.
I'd rather be left alone for now.
I feel terrible that I can't be of help.