I shifted in my chair and swallowed once or twice.

Then I saw him swallow once, twice, till he got it down.

He swallowed hard once or twice, and stared at Fatty.

He closed his mouth and swallowed once, clearly having no idea what to do next.

He started to speak, swallowed once, and began again.

He swallowed once, and the flicker of discomfort was gone from his face.

He swallowed once, read it again, and then found his voice.

He swallowed once, feeling his heart beat hard, or seem to, at any rate.

Mark swallowed once, walked in, and knelt by his head.

She swallowed once, hard, at the sound of her name.