

What did you say?
[ˈwɑt ˈdɪd ˈju ˈseɪ?]
Please say it again.
[ˈpliz ˈseɪ ɪt əˈɡɛn.]
I don't know what to say.
[aɪ ˈdoʊnt ˈnoʊ ˈwɑt tu ˈseɪ.]
"say" is in the lesson "Verbs 2" (Level 3), along with 15 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.