i couldn't agree less

If you say you couldn't agree more/less, you mean you completely agree/disagree
I couldn't agree less : کاملا مخالفم، صد در صد مخالفم
I couldn't agree more : کاملا موافقم، صد در صد موافقم

کاملا مخالفم
If you say you couldn't agree more/less, you mean you completely agree/disagree.