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。
Let's just say it wasn't meant to be this time.
Unfortunately, that's outside my expertise.
It's a generous offer, but I must decline.
It pains me, but I'll have to pass this time.
The timing's bad; it's hard right now.
I'm afraid I can't take responsibility that far.
I truly wish I could help, but...
I'll gratefully accept the thought alone.
Sadly, I can't stretch myself that far.
The timing's off now, so let's revisit it.
For various reasons, I have to decline this time.
I'm sorry, but I'm not able to do that.