How the word "wundern" is translated into English
Du darfst dich nicht wundern, wenn er absagt.
[ˈduː ˈdarfst ˈdɪç ˈnɪçt ˈvʊndɐn, ˈvɛn ˈeːɐ̯ ˈapz̥aːkt.]
Don't be surprised if he cancels.
Ich wundere mich über das schöne Wetter.
[ˈɪç ˈvʊndərə ˈmɪç ˈyːbɐ das ˈʃøːnə ˈvɛtɐ.]
I'm surprised by the nice weather.
Es hat mich sehr gewundert, dass sie nicht kam.
[ˈɛs ˈhat ˈmɪç ˈzeːɐ̯ ɡəˈvʊndɐt, ˈdas ˈziː ˈnɪçt ˈkaːm.]
It really surprised me that she didn't come.
"wundern" is in the lesson "Verbs 20" (Level 43), along with 10 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.