

El camarero fue muy atento con nosotros.
[el kamaˈɾeɾo ˈfwe muj aˈtento kon noˈsotɾos.]
The waiter was very attentive to us.
¿Estás atenta a lo que dice el profesor?
[¿esˈtas aˈtenta a lo ke ˈðiθe el pɾofeˈsoɾ?]
Are you paying attention to what the teacher is saying?
Los alumnos estaban atentos durante la clase.
[los aˈlumnos esˈtaβan aˈtentoz ðuˈɾante la ˈklase.]
The students were attentive during the class.
"atento" 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.