"He knows more about machinery than all of us put together."

Close study will reveal that this document is not about machinery.

You caught me, I don't know jack about industrial machinery.

What the hell are we doing talking about machinery?

What I don't know about machinery, Tom, would fill a great many books.

You know I don't understand a thing about machinery.

"They keep using the word 'multi-tasking,' as if we were talking about machinery," she said of management negotiators.

It would turn out that she knew at least a little bit more about machinery than he did, just from living with Roy.

He knew a little, a very little, about machinery.

"Jokes about machinery don't sit very well," said the American.