mlhavý znamená v angličtina

foggy [foggier, foggiest]▼(obscured by mist or fog)
adjective
[UK: ˈfɒ.ɡi] [US: ˈfɑː.ɡi]

nebulous▼adjective
[UK: ˈne.bjʊ.ləs] [US: ˈne.bjə.ləs]