Would you be so kind as to press your thumb to the plate.

He pressed his thumb down hard on the kitchen table.

Each in turn names the person they think pressed their thumb.

"You have to press your thumb against this," she said, passing the compact to him.

Now he leaned forward and pressed his thumb into the center of the boy's forehead.

She pressed her thumb hard on the ring and thought "Hold still, cat."

Finally he pressed his thumb against the square and it sank into the surface.

He made the agreed signal, pressing his finger and thumb together.

Then her thumbs pressed over the lids of his eyes.