I beg your pardon

1.请愿谅

1.used for asking someone to repeat something because you did not hear them. “Pardon me?” or “Excuse me?” are less formal ways of saying this

2.used for saying you are sorry because you have made a slight mistake, for example because you have stood on someone’s foot. “Sorry” is a less formal way of saying this

3.used for showing that you disagree very strongly with what someone has just said