How the word "sixty" is translated into English
There are sixty minutes in an hour.
[ˈðɛr ˈɑr ˈsɪksti ˈmɪnəts ˈɪn ən ˈaʊər.]
My grandfather is sixty years old.
[ˈmaɪ ˈɡrændˌfɑðər ˈɪz ˈsɪksti ˈjɪrz ˈoʊld.]
Is the speed limit sixty here?
[ˈɪz ðə ˈspid ˈlɪmət ˈsɪksti ˈhɪr?]
"sixty" 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.