Expressed Disagreement Meaning

Could you find out more? Speak for yourself…: an informal and sometimes rude way of telling someone that your opinion is very different from theirs: “We don`t mind leaving here.” “Speak for you! My feet are killing me! Don`t you make me laugh or joke?/You have to make jokes…: informal ways of telling someone you don`t agree with them, and you think what they said is crazy: “I really think the Beatles are overrated. “Are you kidding?/Don`t make me laugh! They are better than any modern group. I`m sorry, but.. /Excuse me, but…/Forgive me, but…: Is used if you politely tell someone that you don`t agree with them: sorry/sorry/Excuse me, but it has never been proven that he stole this car…