Unbeknown in spanish
Desconocido
pronunciation: deskoʊnoʊθidoʊ part of speech: adverb
pronunciation: deskoʊnoʊθidoʊ part of speech: adverb
In gestures
unbeknown to = sin saberlo, sin ser consciente de ello, sin conocimiento de causa.
Example: Unbeknown to the users who accessed the system, the knowledge-base included two human experts, communicating with them from a different building, via the computer screen.