Arin caught Gar's eye and gave him a perfunctory smile.

She returned the greeting with a perfunctory smile, but it was enough to encourage him.

The perfunctory smile over, his face became a mask of reproachful gravity.

The familiar bright and perfunctory smile followed the words.

His perfunctory smile indicated that he didn't believe a word of it.

Then she smiled, the correct, perfunctory smile with which one greets an introduction.

Ian gave a perfunctory smile, but shook his head.

He gave her a perfunctory smile and turned back to Cassandra.

Two of the red-clad men had stepped aside with perfunctory smiles.

Dalrymple gave her a perfunctory smile and headed down the hall.