For the first time a hint of passion crept into his hard metallic voice.

"There's not much here," he says, the first hint of doubt creeping into his voice.

Then a hint of something else crept into her voice.

A hint of worry crept into his father's voice.

But of all this no hint had crept into his speech.

A hint of nausea was creeping in under the headache.

A hint of irony had crept back into his voice.

"We could find another rock," he offered, just a hint of fear creeping into his voice.

Tom asked, a hint of concern creeping into his voice.

A hint of an understanding crept into her mind.