You know it doesn't hurt, you won't act nervous enough.

He thought they acted a little nervous now.

Ziyal was acting increasingly nervous, no doubt as she considered the danger of being seen with Seven.

Larry is acting nervous because he's hiding a toy aardvark behind his back.

He played along by pacing the floor and acting nervous.

"And how long has George been acting nervous and restless?"

I'm not going to act nervous and scare the kids, all right?

"Did he have any theories about why she might have started acting more nervous lately?"

"My wife thanked God, but then said something had to give and started acting nervous," he said.

Therefore pretend that you belong in there, and don't act nervous or uncertain of yourself.