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。
In exchange for accepting this, I'd like more time.
I'd like the final terms in writing.
I can't go along with that offer.
Honestly, I don't feel the price is justified.
We may have underestimated this.
Let's play it by ear on that.
I doubt that proposal will get approved.
Could I check what these numbers are based on?
We're behind schedule, so we need to make up for it.
Would it be alright if I double-checked, just in case?
If I may be so bold, let me make a suggestion.
This is just to be safe, so please don't take it the wrong way.