Apples and oranges binomial
Used to refer to two objects or people that are very different
Although they are brothers, they are like apples and oranges.
These restaurants are apples and oranges, so we cannot compare them.
To be totally different from something.
The idea of this metaphor came from the difference of apples and oysters, which was first recorded in John Ray's proverb collection of 1670.
A humorous way of saying that what one has said is just what they acknowledge and may not be entirely accurate
Mike: Have you returned from your vacation on the beach? Your skin seems to get tanned.
Jenny: My skin is always dark. That's my story and I'm sticking to it!