From Longman Dictionary of Contemporary Englishthere’s more to somebody/something than meets the eyethere’s more to somebody/something than meets the eyeBETTERused to say that someone or something is more interesting, intelligent etc than they seem to be → meet
Examples from the Corpus
there’s more to somebody/something than meets the eye• "I didn't know he wrote poetry." "Yes -- he also does painting. There's more to him than meets the eye."• It looks like a simple case of burglary, but there may be more to it than meets the eye.• People think of Bradford as a dull industrial city, but there is more to it than meets the eye. 