Du means you in Swedish.
"Du lilla flicka" means "you little girl" in Swedish.
It means "with" Example: Swedish - Är du med någon? English - Are you with somebody?
how do you feel? = hur mår du? feel=mår
dö (phonetically: duh) means die. du (phonetically: dū) means you.
Can you be my friend? is "Kan du vara min vän?" in Swedish. Do you want to be my friend? is "Vill du vara min vän?" in Swedish.
If you mean "Du har fångat mitt hjärta" then it means "You have caught my heart".
You are sad is "du är ledsen" in Swedish. Or if by sad you meant pathetic, then it is "du är patetisk".
"Are you single ?" , in Swedish is ; Ar du singel ?
What do you want is vad vill du? in Swedish.
You are funny is "Du är rolig" in swedish.
Är du i Sverige?
Har du denna/dehär?