一句英语翻译:不好意思,我错怪你了.

I'm sorry I blamed you
或者 I'm sorry I was wrong about you.

此外，你错怪我了 有一个固定英语表达法
you are barking up the wrong tree

不好意思,我错怪你了
I am sorry, I wrong to reproach you

Sorry.I get you wrong!
这是常用口语

Sorry, I blamed you by mistake.

I`m sorry for having misunderstood you.
I`m sorry for waking up the wrong passenger of you.
I`m sorry I`ve got you wrong.