

Este pan está muy duro.
[ˈeste ˈpan esˈta muj ˈðuɾo.]
This bread is very hard.
¿Es duro tu trabajo?
[¿ez ˈðuɾo tu tɾaˈβaxo?]
Is your job hard?
El colchón no es duro.
[el kolˈʧon no ez ˈðuɾo.]
The mattress isn't hard.
"duro" is in the lesson "Adjectives 7" (Level 45), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,369 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.