dangerously(in a dangerous manner) adverb [UK: ˈdeɪn.dʒə.rə.sli] [US: ˈdeɪn.dʒə.rə.sli]This car prototype is dangerously unreliable. = Este prototipo de coche es peligrosamente poco fiable.
unsafely(in an unsafe way) adverb [UK: ʌn.ˈseɪ.fli] [US: ʌn.ˈseɪ.fli]