Gunnar looked at her, and something he saw in her face made him suddenly cautious.

They pulled up, suddenly cautious, and looked in.

"I don't know these gentlemen," he said, suddenly cautious.

Suddenly cautious, he added, "Are you friends of theirs?"

Abruptly, she pressed her lips together, fear for Maurice's life making her suddenly cautious.

I always do that," she said, her voice suddenly cautious, "after I've been in a rage.

The conversation had taken an uncomfortable turn, and Marrget was suddenly cautious.

Suddenly cautious, Simon set his drink on the edge of Philip's desk.

Her voice sounded suddenly cautious, less certain.

Dad's voice was suddenly cautious, which surprised me.