The ensigns stopped working and watched, their expressions guarded.

She glanced quickly at him, expression guarded, then relaxed as she saw the understanding in his eyes.

He stood by me, his expression guarded as always.

"I'll consider it," he told her, his expression guarded.

She withdrew, her expression guarded, but remained standing by the cabin door.

Startled, she looked again, but the knight's expression had become closely guarded.

The two Englishmen turned to face him, their expressions guarded.

Behind, by the tent, the jaran rider stood and watched, his expression guarded.

"Starfleet did put you in charge of it," Trip said, keeping his expression guarded.

'You should do that more often,' he said, his own expression oddly guarded.