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。
It's kind of you, but I'll sit this one out.
I appreciate the thought, but I'll pass.
I appreciate the offer, but I'll have to pass this time.
Honestly, I've got my hands full right now.
Let's look at that in a positive light.
I'd love to, but it looks difficult.
If it doesn't work, we can always back out.
Sorry, but I don't think I can help this time.
Let's take action while we still can.
I'm glad you asked, but I have other plans.
Let's use that as motivation.
For various reasons, I have to decline this time.