suddenly
He died suddenly.
El señor Jordan despertó repentinamente.
Mr. Jordan woke up suddenly.
La temperatura cayó repentinamente.
The temperature dropped suddenly.
El clima cambió repentinamente.
The weather changed suddenly.
Repentinamente vi a una liebre correr por el campo.
Suddenly I saw a hare running across the field.
Falleció repentinamente, cuando menos se lo esperaba.
He died suddenly, when it was least expected.
— Vivir (1952)
La enfermedad comenzó repentinamente.
The illness began suddenly.
Un oso apareció repentinamente en frente de nosotros.
A bear suddenly appeared in front of us.
El volcán hizo erupción repentinamente, matando a muchas personas.
The volcano erupted suddenly, killing many people.
La puerta se abrió repentinamente y entró su padre.
The door suddenly opened and his father entered.