you need
Tu precisas de um novo teclado?
Do you need a new keyboard?
You need to study more.
Tu precisas trabalhar aos domingos?
Do you need to work on Sundays?
Antes que faças isso, há algo que tu precisas saber.
Before you do that, there's something you need to know.
Tu precisas de um transplante de coração.
You need a heart transplant.
Do you need instructions?
Why do you need to go?
You need a drink.
You need plenty of water.
You need to wait.