She tried to sound curious rather than nervous, still she backed up a little in her chair.
The language in which he spoke sounded curious to my ears, but oddly familiar at the same time.
Some people are so direct and honest that their words can sound curious and provocative.
The question sounded innocently curious, but there wasn't anything innocent about it.
His voice sounded more than just idly curious, but she pretended not to notice.
"So tell me about it," he said, sounding mildly curious but not especially concerned.
The soldier asked a few questions, sounding less hostile and more curious than at first.
He sounded genuinely curious as to who this stranger in their midst might be.
He tried to sound curious, but not overly so.
He sounded no more than vaguely curious, but Sophie wasn't fooled.