

My little son still sucks his thumb at night.
[ˈmaɪ ˈlɪtl̩ ˈsən ˈstɪl ˈsəks ˈhɪz ˈθəm ət ˈnaɪt.]
She was sucking on a mint after lunch.
[ʃi ˈwəz ˈsəkɪŋ ˈɔn ə ˈmɪnt ˈæftər ˈləntʃ.]
Don't suck your drink through the straw so loudly.
[ˈdoʊnt ˈsək jər ˈdrɪŋk ˈθru ðə ˈstrɔ ˈsoʊ ˈlaʊdli.]
"suck" is in the lesson "Eating" (Level 20), 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.