

He scowled at me when I mentioned his ex-wife.
[ˈhi ˈskaʊəld ət ˈmi ˈwɛn aɪ ˈmɛnʃənd ˈhɪz ˈɛksˈwaɪf.]
Why are you scowling? Has something gone wrong?
[ˈwaɪ ər ˈju ˈskaʊəlɪŋ? həs ˈsəmˌθɪŋ ˈɡɔn ˈrɔŋ?]
She tends to scowl whenever someone interrupts her.
[ʃi ˈtɛndz tu ˈskaʊəl wɛˈnɛvər ˈsəmˌwən ˌɪntəˈrəpts ˈhɜr.]
"scowl" is in the lesson "Emotions" (Level 19), 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.