you must
Usted debe ver al amigo ese, que estuvo con usted de pesca y en el restaurante.
You must see that friend of yours, the one who went fishing and to the restaurant with you.
— El brazo de brillantes (1969)
You need to eat something.
You must do it this way.
Usted debe abrir una cuenta bancaria para recibir el pago.
You must open a bank account to receive payment.
Usted debe desconectar la alimentación antes de comprobar el circuito.
You must disconnect the power supply before checking the circuit.
Usted debe pensar que soy un tarado, ¿no?
You must think I'm an idiot, right?
— El secreto de sus ojos (2009)
You need to work harder.
You should start soon.