How to Use "furtive" with Example Sentences

1. Slip across the grasslands of mongolia , ruins of the great wall the only witnesses to my furtive gait ?
2. Japanese love hotels , a refuge for space-constrained married couples and furtive philanderers , have long been a money-spinner .
3. He took a furtive glance at the clock .
4. He had a furtive look upon his face .
5. If the polls are right , then , next tuesday 's mid-term elections will seered facesin the red states for those furtive surfers who are caught in the act .