What I used to do was to get hold of them behind their hand.

She spoke behind her hand and didn't meet my eyes.

Did they have a laugh behind their hands about those?

They were laughing at me behind their hands, so to speak.

But then people started talking, whispering behind their hands when they saw me.

Two or three muttered to each other behind their hands as they looked at him.

He saw that she was trying to hide a smile behind her hand.

The marqu6z leaned over to me and whispered behind his hand.

Silent behind my hand, he blinked his blue eyes at me.

"The women and the children will laugh at you behind their hands when they hear of this," the boy reminded him.