Across
- 3. a part of an activity or a period of development
- 4. a clear, deep, understanding of a complicated problem
- 7. point in a process at which further progress is blocked
- 8. feeling annoyed or less confident
- 9. quickly or suddenly
Down
- 1. an important discovery or event that helps to improve a situation
- 2. to walk around without any clear purpose or direction
- 5. unable to stop thinking about something
- 6. it is not perfectly made or does not work correctly