Question of trust

123456
Across
  1. 2. make a sudden involuntary expulsion of air from the nose and mouth
  2. 4. make it difficult for to do something
  3. 5. mark made on a surface by a person's fingertips
  4. 6. touch with light finger movements
Down
  1. 1. an allergy caused by pollen or dust
  2. 3. costing a lot of money
  3. 4. free of deceit