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"Gradually" is an adverb which is often translated as "gradualmente", and "suddenly" is an adverb which is often translated as "de repente". Learn more about the difference between "gradually" and "suddenly" below.
gradually(
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An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
adverb
a. gradualmente
The changes will be introduced gradually to avoid problems.Para evitar problemas, los cambios se introducirán gradualmente.
b. poco a poco
Gradually, my eyes got used to the dark.Poco a poco mis ojos se acostumbraron a la oscuridad.
c. paulatinamente
Start with short periods, then gradually increase the amount of exercise you do.Empieza con periodos cortos, luego aumenta paulatinamente el tiempo que dedicas al ejercicio.
d. suavemente (incline)
The path rises gradually at first, then there is a short steep section.El camino sube suavemente al comienzo, luego viene una corta sección empinada.
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suddenly(
suh
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dihn
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An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
adverb
a. de repente
He wanted to go to the movies, but suddenly changed his mind.Quería ir al cine, pero cambió de idea de repente.
b. de pronto
They were talking and, suddenly, he kissed her.Estaban hablando y, de pronto, la besó.
a. repentinamente
The bus stopped suddenly.El camión se detuvo repentinamente.
b. bruscamente
The taxi driver braked suddenly.El taxista frenó bruscamente.
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