

She cast a fireball at the dragon.
[ˈʃi ˈkæst ə ˈfaɪərˌbɔl ət ðə ˈdræɡən.]
You can't cast spells without enough mana.
[jə ˈkænt ˈkæst ˈspɛlz wɪˈðaʊt ɪˈnəf ˈmɑnə.]
He's still casting the spell, so attack now!
[ˈhiz ˈstɪl ˈkæstɪŋ ðə ˈspɛl, ˈsoʊ əˈtæk ˈnaʊ!]
"cast" is in the lesson "In game 1" (Level 31), along with 13 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.