Impersonal obligation (hay que)

QuestionAnswer
passport
el pasaporte
You have to take your passport to the airport.
Hay que llevar tu pasaporte al aeropuerto.
One must not forget the passport at home.
No hay que olvidar el pasaporte en la casa.
reservation
la reserva
We are going to travel, we have to make the reservation today.
Vamos a viajar, hay que hacer la reserva hoy.
to cancel
cancelar
You must not cancel the hotel reservation.
No hay que cancelar la reserva del hotel.
The flight is closed, one has to cancel.
El vuelo está cerrado, hay que cancelar.
insurance
el seguro
For the trip, you have to buy insurance.
Para el viaje, hay que comprar un seguro.
We already have it, we don't have to pay for another insurance.
Ya lo tenemos, no hay que pagar otro seguro.
emergency
la emergencia
to act
actuar
In an emergency, one has to act fast.
En una emergencia, hay que actuar rápido.
One must not lose patience in an emergency.
No hay que perder la paciencia en una emergencia.
It is a big problem, one has to act now.
Es un problema grande, hay que actuar ahora.
police
la policía
It is dangerous, one has to call the police.
Es peligroso, hay que llamar a la policía.
You have to look for the police on the street.
Hay que buscar a la policía en la calle.
ambulance
la ambulancia
The man is sick, one has to call an ambulance.
El hombre está enfermo, hay que llamar una ambulancia.
We have to wait for the ambulance here.
Hay que esperar la ambulancia aquí.
You have to keep the passport in your pocket.
Hay que guardar el pasaporte en el bolsillo.
to maintain / to keep (a state or condition)
mantener
One has to keep the rooms clean.
Hay que mantener los cuartos limpios.
calm (noun)
la calma
You have to keep calm in the hospital.
Hay que mantener la calma en el hospital.
One must never lose calm.
No hay que perder la calma nunca.
Tomorrow we are going to travel, we have to rest.
Mañana vamos a viajar, hay que descansar.
You have to prepare the suitcase early.
Hay que preparar la maleta temprano.
the guard (corps), the watch
la guardia
In an emergency, you have to call the guard.
En una emergencia, hay que llamar a la guardia.
The museum watch works at night.
La guardia del museo trabaja por la noche.