bezmocný znamená v angličtina

helpless▼(unable to defend oneself, see also: defenseless)
adjective
[UK: ˈhel.pləs] [US: ˈhel.pləs]

powerless▼(lacking sufficient power or strength)
adjective
[UK: ˈpaʊə.lɪs] [US: ˈpaʊər.ləs]