

Mein Opa ist noch sehr aktiv.
[ˈmaɪ̯n ˈoːpaː ˈɪst ˈnɔx ˈzeːɐ̯ akˈtiːf.]
My grandpa is still very active.
Bleib aktiv, dann fühlst du dich besser.
[ˈblaɪ̯p akˈtiːf, ˈdan ˈfyːlst ˈduː ˈdɪç ˈbɛsɐ.]
Stay active, then you'll feel better.
Bist du in einem Verein aktiv?
[ˈbɪst ˈduː ˈɪn ˈaɪ̯nəm fɛɐ̯ˈʔaɪ̯n akˈtiːf?]
Are you active in a club?
"aktiv" is in the lesson "Adjectives 6" (Level 40), 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.