harmlessly       
adverb uk/ˈhɑːm.ləs.li/ us/ˈhɑːrm.ləs.li/
 无害地,不会导致损伤地
in a way that is harmless (= not able or not likely to cause harm)
  It is a species of bacteria that lives harmlessly in every person's gut. 它是一种存在于每个人肠道中的细菌,不会对人体造成伤害。 
 The gas will bubble harmlessly to the surface and escape into the atmosphere.
 See: harmless
 - More examples
 - The shot sailed harmlessly wide of the goal.
 - The low bridge is designed to allow floodwaters to flow harmlessly over.
 - We live in a world where it is possible to harmlessly scan the inside of your brain and watch it working.