Not a single twig crackled under the soles of his boots; not a single branch swayed to mark his passage.

Several galls can be found on a single twig.

Get a small book and use one page for each tree, adding in all the new ideas you have until every single twig has a clear and complex message for you.

The snap of a single twig would give her away.

Not a single twig had been broken, as though the one who had made the track had been crawling rather than walking.

Not a single broken twig.

Not a single twig was disturbed.

A single twig snapped, uphill from the stream, yes.

It's quick, very quick, and I didn't hear a rustle of leaves or a single broken twig.

If we break off a single twig, the Count'd have our hides.