

Half the factory's machines have been idle since the strike.
[ˈhæf ðə ˈfæktəriz məˈʃinz həv ˈbɪn ˈaɪdl̩ ˈsɪns ðə ˈstraɪk.]
Leaving expensive equipment idle for months makes no financial sense.
[ˈlivɪŋ ɪkˈspɛnsɪv ɪˈkwɪpmənt ˈaɪdl̩ fər ˈmənθs ˈmeɪks ˈnoʊ fəˈnænʃəl ˈsɛns.]
Why are so many workers sitting idle when orders are piling up?
[ˈwaɪ ər ˈsoʊ ˈmɛni ˈwɜrkərz ˈsɪtɪŋ ˈaɪdl̩ ˈwɛn ˈɔrdərz ər ˈpaɪəlɪŋ ˈəp?]
"idle" is in the lesson "Adjectives 6" (Level 40), along with 10 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.