

Meine Schwester ist sehr fleißig.
[ˈmaɪ̯nə ˈʃvɛstɐ ˈɪst ˈzeːɐ̯ ˈflaɪ̯sɪç.]
My sister is very hard-working.
Warum bist du heute so fleißig?
[vaˈrʊm ˈbɪst ˈduː ˈhɔɪ̯tə ˈzoː ˈflaɪ̯sɪç?]
Why are you so hard-working today?
Unser neuer Kollege ist nicht fleißig.
[ˈʊnzɐ ˈnɔɪ̯ɐ kɔˈleːɡə ˈɪst ˈnɪçt ˈflaɪ̯sɪç.]
Our new colleague isn't hard-working.
"fleißig" is in the lesson "Positive traits" (Level 28), along with 9 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.