He sat down again and continued his surveillance of the river.

There was no point in continuing his surveillance.

The columns of the place were mirrored and Nicholas used these to continue his covert surveillance while he ate.

Johann needs somewhere to continue his surveillance when the observation deck closes.

Eventually, the dumpy woman returned to her car and continued her surveillance.

The police decided to continue their surveillance and track the group after they left the movie theater.

She smiled back, then nodded to the bar, continuing her surveillance.

I can't let you continue your surveillance of him, especially now that I know your background.

"It's very important countries continue their surveillance for at least the next 12 months," he said.

He and Tom turned back to continue their surveillance of the action taking place below them.