mrazivě znamená v angličtina

chillingly▼(in a chilling manner)
adverb
[UK: ˈtʃɪ.lɪŋ.li] [US: ˈtʃɪ.lɪŋ.li]

frostily▼(in a frosty manner)
adverb
[UK: ˈfrɒ.stɪ.li] [US: ˈfrɒ.stɪ.li]