that's too much
A: I told my friends that they can stay at your house tonight.我告诉我的朋友们，今晚他们可以住在你家里。
B: You didn't even ask me. I guess that's too much.你都没问过我。这太过分了吧。

还有一个类似的短语a bit much = 太过分，太不像话

You're going too far 做得太过分 / 太过火了

You've crossed the line.
You're out of line.
cross the line = out of line （行为）越界；太过分了