A knowing smile appeared upon the old man's lips.

He was tense for only a moment, then a smile appeared upon his disguised lips.

The twist that appeared upon his pale lips was a knowing one.

As he began to read the column, a smile appeared upon Mann's lips.

A smile appeared upon his lips - an expression which no one observed.

But now, with the point at issue, a spreading grin appeared upon Humphrey's lips.

The phantom of a smile appeared upon the man's thin lips.

A look of relief appeared upon his strained lips as he received an affirmative answer.

A vague semblance of a smile appeared upon his lips.

A thin smile appeared upon his lips as he pressed a cigarette between them.