

Beeil dich, sonst kommen wir zu spät.
[bəˈʔaɪ̯l ˈdɪç, ˈzɔnst ˈkɔmən ˈviːɐ̯ ˈtsuː ˈʃpɛːt.]
Hurry up, or else we'll be late.
Iss etwas, sonst hast du später Hunger.
[ˈɪs ˈɛtvas, ˈzɔnst ˈhast ˈduː ˈʃpɛːtɐ ˈhʊŋɐ.]
Eat something, otherwise you'll be hungry later.
Vergiss das Ticket nicht, sonst gibt es Ärger.
[fɛɐ̯ˈɡɪs das ˈtɪkət ˈnɪçt, ˈzɔnst ˈɡiːpt ˈɛs ˈɛrɡɐ.]
Don't forget the ticket, or else there'll be trouble.
"sonst" is in the lesson "Conjunctions" (Level 32), along with 13 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.