He looked up at her without a trace of a smile.
Was there a trace of a smile on her face?
There was a trace of a smile on her face.
A trace of a smile crossed him, and he turned away.
A trace of a smile was on the old woman's lips.
She asked the question with a trace of a smile.
Then all traces of a smile ran from his face.
There was no trace of a smile on his face.
In fact, he'd given me a trace of a smile.
The trace of a smile passed over the young man's face.