An adjective is a word that describes a noun (e.g. the big dog).
1. (challenging)
a. arduo
He set out on an arduous journey to visit every state in the country.Partió en un arduo viaje para visitar todos los estados del país.
b. duro
Mark swam across the English Channel in arduous conditions.Mark cruzó nadando el canal de la Mancha en condiciones duras.
c. riguroso
The soldiers underwent an arduous training before going into battle.Los soldados se sometieron a un riguroso entrenamiento antes de ir a la batalla.
d. difícil
After years of arduous negotiations, the countries finally signed a trade deal.Después de años de negociaciones difíciles, los países por fin firmaron un acuerdo de comercio.
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An adjective is a word that describes a noun (e.g. the big dog).
1. (general)
a. arduo(a)
arduous [ˈɑːdjʊəs]
[+work, task] arduo; [+climb, journey] arduo; penoso; [+conditions] riguroso; duro;
Collins Complete Spanish Electronic Dictionary © HarperCollins Publishers 2011
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