lay finger on

"I'll never, never, lay finger on her again."

“I wish I knew where to lay finger on the said Indian Johnny,” was the rejoinder.

“Len’s appointed me special dep’ty till he comes back, and he says nobody is to lay finger on hide ner hair of the corpse; not even the doc, if he comes.”

Were this not so, then would I straightway ride to the Euphrates, and hurl the thing into its depths; for, knowing what I know, I can never now lay finger on it again.

Did those knaves lay finger on thee?”