I see your point.
我明白你的意思。
I see your concern.
我知道你关心的是什么。
I can see what you are getting at.
我明白你的意思。
I am not sure I agree with you.
我不确定是否同意你的看法。
I agree with most of what you say.
我同意你的大部分观点。
I agree with you up to a point.
我在一定程度上同意你的意见。