There's no difference in saying "hallo" to a child or to an adult
but you could say "Guten Tag"
Yes, hallo is the German word for hello.
Hello = Hallohello = Hallo!
Hello in German
Hello Love is Hallo Liebling in German.
The German word is "Hallo" or "guten Tag"
"Hello Berlin" = "Hallo Berlin"
Hallo.
Hallo
To say hello in German is 'Guten Tag.'
bonjour
If you mean "how do you say "hello' in German , it means "guten Tag"
Guten Tag, hallo