

Are you mad? It's freezing outside!
[ər ˈju ˈmæd? ˈɪts ˈfrizɪŋ ˌaʊtˈsaɪd!]
My neighbour must be completely mad.
[ˈmaɪ ˈneɪbər ˈməst ˈbi kəmˈplitli ˈmæd.]
You'd be mad to turn down that offer.
[ˈjud ˈbi ˈmæd tə ˈtɜrn ˈdaʊn ˈðæt ˈɔfər.]
"mad" is in the lesson "Negative traits" (Level 27), along with 9 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.