It means, "precious, that [girl] baby of the flower."
"What does that babe want?"
The first part, "eres muy bonita amiga" would be "you are very pretty, girlfriend." The second part "con esa mirada enamorada" would be "with that loving glance", but the third part "todo mundo preciosa" needs some work to be clear. Perhaps "todo el mundo está precioso", meaning "everyone is prescious" or "everyone is merry".
The cast of Detras de esa puerta - 1975 includes: Ricardo Blume as Barreiro Rossano Brazzi as Ambassador Lara Cameron Mitchell as MacPherson Flor Procuna as Eloisa
me encanta esa sonrisa
Who is that
That is my girl.
and who is SHE
Literally, "That which I do with this girl." If you mean "What's up with that girl?", then it would be "¿Qué pasa con esa chica?" or "¿Qué tal esa chica?"
what is in that class
It means: "to be of that type"
it is ungrammatical but it means: "that nothing"
It means :"What song is that?"