{v.}, {informal} Please repeat; please say that again. - Usually used as a command. * /"Harry has just come into a fortune," my wife said. "Come again? " I asked her, not believing it./ * /"Come again," said the hard-of-hearing man./
COME AGAIN
Meaning of COME AGAIN in English
Dictionary of English idioms . Словарь английских идиом. 2012