Use "cloak-and-dagger" in a sentence

1. I was way too old for this kind of exercise routine, and kept telling them that I had no business in a cloak-and-dagger operation

2. But how in the hell did our spies come up with some of this stuff? It was real cloak-and-dagger work, that’s for sure

3. “It seems I’m not very good on the ground with this cloak-and-dagger stuff

4. Donovan visited a few times, always changing disguises; he loved the cloak-and-dagger stuff and thought he was a real genius at espionage

5. was awake past midnight replaying all the cloak-and-dagger they’d kept up after Billy went to ground