guter Junge und gutes Mädchen
For a boy, you would say "allemand" and for a girl, you would say "allemande" in French.
Good boy translates as Guter Junge
braves Mädchen gutes Mädchen
In spanish how you say good looking it is bonita for a girl or bonito for boy
Since in German young and boy have nearly the same meaning, you can just say "Junge" and already someone would know that it's a young boy with saying young.
For "nerd" the German language has a lot of designations:"Streber" if it's a boy, and "Streberin" if it's a girl,or"Außenseiter" for a boy, "Außenseiterin" for a girl.Also the term "Langweiler" or "Langweilerin" is appropriate
I am good : in Egyptian accent if you are a boy you say : ana kwayyes if you are a girl you say : ana kwayyesa
I wuld say no
No not necessarily. Was she smiling? I say a good sign if a girl likes you in any situation is that she smiles at you frequently
Guten Tag kleines Madchen
You should say "There is a boy and a girl." The verb "is" should agree with the singular subject "a boy and a girl."
Junge.