

Be careful not to injure your back.
[ˈbi ˈkɛrfəl ˈnɑt tu ˈɪndʒər jər ˈbæk.]
Three people were injured in the accident.
[ˈθri ˈpipəl ˈwɜr ˈɪndʒərd ˈɪn ði ˈæksədənt.]
He injured his knee playing football last week.
[ˈhi ˈɪndʒərd ˈhɪz ˈni ˈpleɪɪŋ ˈfʊtˌbɔl ˈlæst ˈwik.]
"injure" is in the lesson "Verbs 5" (Level 17), 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.