misteriosamente betyder på engelska

darkly▼(mysteriously; forebodingly, ominously, see also: mysteriously; ominously)
adverb
[UK: ˈdɑː.kli] [US: ˈdɑːr.kli]

mysteriously▼(in a mysterious manner)
adverb
[UK: mɪ.ˈstɪə.rɪə.sli] [US: ˌmɪ.ˈstɪ.riə.sli]