tu as passé un (examen) = you took an exam, you sat an exam
tu as passé un feu rouge = you ran the red light
tu as passé le sel à ton voisin = you passed the salt to your neighbor
You have a good Christmas! aka Have a good Christmas!
tu as un chat means 'you have a cat' in English.
As-tu un stylo? in French means "Do you have a pen?" in English.
"tu utilises un traducteur" means "you are using a translator" in French.
Un passe-temps (masc.) is a pastime in French.
"Y tu con un Nuevo" translates to "And you with a new one" in English.
take a pen. (a ball-point pen, not a pencil). In British English that would be a "Biro"
This is a sentence fragment, not a complete thought, but it means "you are a". Also note, the use of the pronoun "tu" means that you are using the familiar tense, implying that you are probably talking to a family member or close friend.
I have a sweet for your tongue.
"Pas mal, tu as déjà un copain" means "nice, do you already have a boyfriend?"
Tu es un type très sympa means "you're a nice bloke / guy" in French.
Tu as un très joli prénom means: "you have a very nice first name".