

Die Prinzessin muss drei Rätsel lösen.
[ˈdiː prɪnˈtsɛsɪn ˈmʊs ˈdraɪ̯ ˈrɛːtsl̩ ˈløːzn̩.]
The princess has to solve three riddles.
Kannst du mir bei diesem Rätsel helfen?
[ˈkanst ˈduː ˈmiːɐ̯ ˈbaɪ̯ ˈdiːzəm ˈrɛːtsl̩ ˈhɛlfn̩?]
Can you help me with this puzzle?
Wie er das geschafft hat, ist mir ein Rätsel.
[ˈviː ˈeːɐ̯ das ɡəˈʃaft ˈhat, ˈɪst ˈmiːɐ̯ ˈaɪ̯n ˈrɛːtsl̩.]
How he managed that is a mystery to me.
"das Rätsel" is in the lesson "Stories" (Level 33), along with 14 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.