The initial 1991 agreement left the most sensitive parts for a later stage.

When she spoke, her lips moved against the most sensitive part of me.

It's the most sensitive part of the machine, so I'm told.

You wouldn't want to trust just anyone with the most sensitive parts of your body.

Why would the most sensitive part of a tooth be on the outside?

Nobody gets into any sensitive part of the station without being absolutely checked.

Cells from its most sensitive part, one doctor assured him.

"You don't plan to use that on any particularly sensitive part of my anatomy?"

Still, this was the most sensitive part of the overall mission.

Finally, the sensitive part - the number - comes up.