

Ich will bis zum Sommer fit werden.
[ˈɪç ˈvɪl ˈbɪs ˈtsʊm ˈzɔmɐ ˈfɪt ˈveːɐ̯dn̩.]
I want to get fit by the summer.
Wie kann ich schnell fit werden?
[ˈviː ˈkan ˈɪç ˈʃnɛl ˈfɪt ˈveːɐ̯dn̩?]
How can I get fit quickly?
Ohne Sport kann man nicht fit werden.
[ˈoːnə ˈʃpɔrt ˈkan ˈman ˈnɪçt ˈfɪt ˈveːɐ̯dn̩.]
You can't get fit without exercise.
"fit werden" is in the lesson "Verbs 13" (Level 25), along with 11 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.