How to Use "untroubled" with Example Sentences

1. Do you not enjoy the untroubled ease of programming beneath its sheltering branches ?
2. So he goes about his business untroubled .
3. Her eyes behind the huge spectacles are clear and untroubled .
4. Iran had worked hard to widen the opposition to sanctions , but mr ahmadinejad seemed untroubled .
5. He remains confident and seemingly untroubled by our recent problems .