Английский словарь американских идиом - fish out of water

{n. phr.} A person who is out of his proper place in life; someone who does not fit in. * /Because Ed could not swim, he felt like a fish out of water at the beach./ * /She was the only girl at the party not in a formal dress and she felt like a fish out of water./ Compare: OUT OF ONE'S ELEMENT, OUT OF PLACE.