

Mon voisin a quatre-vingts ans.
[mɔ̃ vwazɛ̃ a katʁəvɛ̃ ɑ̃.]
My neighbor is eighty.
Nous avons quatre-vingts invités au mariage.
[nuz‿ avɔ̃ katʁəvɛ̃ ɛ̃vite o maʁjaʒ.]
We have eighty guests at the wedding.
Ces chaussures coûtent quatre-vingts euros ?
[se ʃosyʁ kut katʁəvɛ̃ øʁo ?]
These shoes cost eighty euros?
"quatre-vingts" is in the lesson "Big numbers" (Level 4), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,375 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.