He nodded twice, with his eyes on the fire, as though that was a formal statement.
He nodded only twice, when other fighters welcomed him back.
She looked at me, nodded once or twice, and then smiled.
He listened for a few moments, nodding once or twice.
He nodded twice, briskly, as if he'd made up his mind about me.
When she said nothing, he nodded twice, a little too vigorously.
And a single tear dropped from the eye of the monk as he nodded twice his head.
He nodded once or twice, a slightly distracted look on his face.
Daniel nodded twice while his mind finished its series of considerations.
Unseen by the voice on the other end, he nodded twice and hung up.