объявляться znamená v Angličtina

turn up▼(to appear unexpectedly)
verb
[UK: tɜːn ʌp] [US: ˈtɝːn ʌp]

show up▼(to appear)
verb
[UK: ʃəʊ ʌp] [US: ˈʃoʊ ʌp]