neznámy znamená v Angličtina

strange [stranger, strangest]▼(not yet part of one’s experience)
adjective
[UK: streɪndʒ] [US: ˈstreɪndʒ]

unknown▼(not known)
adjective
[UK: ˌʌn.ˈnəʊn] [US: ənˈnoʊn]