

Fue un error.
[ˈfwe un eˈroɾ.]
It was a mistake.
¿Dónde está el error?
[¿ˈdonde esˈta el eˈroɾ?]
Where is the mistake?
No es un error grave.
[no es un eˈroɾ ˈɣɾaβe.]
It's not a serious mistake.
"el error" is in the lesson "Philosophy" (Level 44), 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.