( NAmE ) used to describe a situation in which two people or things are completely different from each other :
They really are apples and oranges.
( NAmE ) used to describe a situation in which two people or things are completely different from each other :
They really are apples and oranges.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005