

He's become insufferably smug since his promotion.
[ˈhiz bɪˈkəm ɪnˈsəfrəbli ˈsməɡ ˈsɪns ˈhɪz prəˈmoʊʃən.]
Wipe that smug grin off your face right now.
[ˈwaɪp ˈðæt ˈsməɡ ˈɡrɪn ˈɔf jər ˈfeɪs ˈraɪt ˈnaʊ.]
I can't stand how smug she gets after winning an argument.
[aɪ ˈkænt ˈstænd ˈhaʊ ˈsməɡ ʃi ˈɡɛts ˈæftər ˈwɪnɪŋ ən ˈɑrɡjəmənt.]
"smug" 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.