同意,赞成

I agree.

I agree with you

I totally agree.

I couldn‘t agree more.

I think so, too.

I concur/kənˈkɜːr/.

I strongly concur.

My thoughts exactly.

We are on the same page.

You took the words right out of my mouth.

I‘m for it.

I‘m with you on that.

I‘m in accord/əˈkɔːrd/with you.

I support it.

Amen/eɪˈmen/to that.

I second that.

Word.

It makes sense.

Same here.

You can say that again.

That sounds like a good idea.

That‘s a great point.

It‘s fine with/by me.

不同意, 不赞成

I disagree(/don‘t agree).

I‘m afraid i disagree(/don‘t agree）.

I‘m afraid it‘s not quite right.

I‘m in disaccord with you.

I have to disagree with you.

I don‘t really agree.

I don‘t think so.

I don‘t think that‘s the case.

I don‘t support it.

I don‘t concur with you.

I don‘t see it that way.

I beg to differ.

I‘m against it.

I totally disagree with you.

That‘s not how i see it.

I almost agree.(注意这句话是不同意的意思）

部分同意：

I agree with you in part.

I partly agree.

It‘s partly true.

Not quite.

Not exactly.

中立，不确定：

I‘m on the fense.

I‘m not sure about that.

I have no idea.

补充一个：

agree to disagree 求同存异，同意各自保留不同意见