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Verbs Nouns Adjectives/Adverbs Pronouns Prepositions Conjunctions
arduous (Advanced search)



CORE WORDS





COMPOUND WORDS


arduous {adj} (hard to climb) arduous {adj} (needing or using up much energy)

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PHRASES



งานของเขาลำบากมาก



His job is very arduous .


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(1933)