Build up your vocabulary

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Across
  1. 2. the way you notice things, especially with the senses
  2. 4. happiness,welfare
  3. 5. try very hard to achieve sth
  4. 8. a person or thing that sb thinks about too much
  5. 9. the feeling of being sorry for sb
  6. 10. puzzlement
Down
  1. 1. too determined to be successful, rich, powerful, etc.
  2. 3. finally
  3. 6. complicated
  4. 7. outcome,consequence