"You're perfectly free to do so," I agreed, turning the smile a touch solemn.

"You are mixing two authorities," explained Brophy, with a solemn smile.

Keen eyes were staring out to sea; beneath them were lips that held a slight, but solemn, smile.

"Tharbel was really free before the break began," declared the warden, with a solemn smile.

She looked Paul up and down, then gave him a strange, solemn smile and turned back to watch the spot where the bird had disappeared.

When he was gone, Mack Bolan faced the doctor with a solemn smile.

He gave Fallow the sort of solemn smile you give someone in the hour of bereavement.

The boy's pretty lips curved in a solemn little smile.

Burns switched on the recorder, entered the appropriate data, then turned to Cy with a solemn smile.

"Good luck, Ambassador Riley," she said with a solemn smile.