Not only did one alien remain on the lower level with him, but there was invariably another watching surreptitiously from the level above.
He fiddled with the dials while surreptitiously watching his teammates leave.
He surreptitiously watched Judy as she read the man's records.
When Dana reached the baggage carousel, a man standing nearby was surreptitiously watching her.
At five minutes to four they began surreptitiously watching the kitchen clock.
While surreptitiously watching a movie, they think they see their father speaking to them and steal the film to examine the frames.
I stayed out there with my book for the rest of the afternoon, surreptitiously watching as he tried it over and over.
She watched surreptitiously for Joshua, but couldn't see him anywhere.
All who could were watching surreptitiously from vantage points in windows and doors.
During dinner, he surreptitiously watched the other customers.