Difficult words 11

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Across
  1. 2. to encourage
  2. 5. to know or understand
  3. 8. other words for jewellery
  4. 12. hard work
  5. 13. right now
  6. 14. not reasonable or a small problem
  7. 15. something done on purpose
  8. 16. a problem
  9. 17. to disturb
  10. 18. in wanting or wanted
Down
  1. 1. target reached
  2. 3. a thought about someone or something
  3. 4. The beginning
  4. 6. how long some people have to travel
  5. 7. backup plan
  6. 9. popular accessory
  7. 10. a story or long travel
  8. 11. a feeling
  9. 13. as usual or common
  10. 17. not able to be seen