you are wrong
I'm not saying you're wrong.
Либо вы не правы, либо ваш друг.
Either you are wrong or your friend is.
Что-то мне подсказывает, что вы не правы.
Something tells me you're wrong.
Если вы не правы, то и я тоже.
If you are wrong, then neither am I.
I'm sorry, but you're wrong.
In this case, you are wrong.
I'm sorry, but you're wrong.