Used as he was to oddities, human, humanoid, and nonhuman, Troy still found the small man strange enough to study covertly.

Several criminals studied covertly how to slip the power charges out of the blastrifles now leaning against tables.

When he came back with the coffee she sipped it for a few moments, covertly studying the police chief.

He knew that most people in the lobby were covertly studying him but was unconcerned.

Lucas covertly studied Amaryllis's expression as she finished examining the documents.

As they drove to the house, David covertly studied Kate.

Ryshad reached for the parchment he'd been covertly studying.

The First Lady looked me up and down, while I covertly studied her.

To avoid thinking about them, he covertly studied the Malloreans who guarded them.

Oh, I often studied that face covertly!