Across
- 2. Hidden
- 5. sinister, dangerous
- 6. raiders, intruders
- 8. important
- 9. work
- 11. time waster;shirker
- 12. speed
Down
- 1. producing upheaval, shaking
- 3. stubborn
- 4. sadly, gloomily
- 7. so as to calm down
- 10. unstoppable, relentless
- 12. Inexperienced, immature