には同意できません

cannot agree with

→ に
phrase Rare #32,688
cannot agree with A polite way to disagree with someone or with an opinion, proposal, or statement. The は adds emphasis or contrast; the phrase can also appear as には同意できない in less polite speech.
JA: その計画には同意できません。
EN: I cannot agree with that plan.

おっしゃることには同意できません

I can't agree with what you're saying.

このにおいてあなたには同意できません

I can't agree with you on this point.

私は貴方の提案には同意できません

I can't agree with your proposal.