You are right./ You are totally right. 你是对的。

I couldn ’ t agree with you more. 太同意了。

It is reasonable. 很合理。

I fully/totally agree with you. 我完全同意。

That ’ s sure. 那是一定的。

What you ’ ve proposed makes sense. 你说的很有道理。

That ’ s just what I want to say. 这也正是我要说的。

Me ， too. 我也是。

So do I. 我也是。

Neither do I. 我也不。

It is a good point. 这一点很对。

表示不同意对方的观点：

I ’ m afraid I can ’ t agree. 恐怕我不能同意。

I ’ m afraid that is not what I mean. 我不是那个意思。

I don ’ t think you have touched the point. 我觉得你没有说到点子上。

probably you are right, but the fact is that …也许你是对的，但事实是 ...

Maybe that ’ s where we differ. 这就是我们不同的地方。

It depends. 看情况而定吧。

That ’ s not the way I see it. 我不这么看。

If I were you, I would …如果我是你，我会 ......

If I were in your shoes, I would … 站在你的立场上，我会 ......