a las mil maravillas znamená v Angličtina

swimmingly▼(in a very favourable manner)
adverb
[UK: ˈswɪ.mɪŋ.li] [US: ˈswɪ.mɪŋ.li]

wonderfully▼(in a wonderful manner)
adverb
[UK: ˈwʌn.də.fə.li] [US: ˈwʌn.dər.fə.li]