Word/Phrase: a ser
Translation: to be
Pronunciation: a seɾ
I want to be happy - Quiero a ser feliz
She wants to be a doctor - Ella quiere a ser doctora
They are going to be late - Ellos van a ser tarde
He wants to be a musician - Él quiere a ser músico
We need to be careful - Necesitamos a ser cuidadosos