

That's a good idea!
[ˈðæts ə ˈɡʊd aɪˈdiə!]
Do you have an idea for the party?
[ˈdu jə həv ən aɪˈdiə fər ðə ˈpɑrti?]
I have no idea where he is.
[aɪ həv ˈnoʊ aɪˈdiə ˈwɛr hi ˈɪz.]
"idea" is in the lesson "Information" (Level 42), 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.