The others made more or less polite noises when introduced.
The two women smiled and made polite noises, but then Tikri held up a hand.
Pearl didn't seem thrilled to see him, but he made polite noises with his mouth.
"He only said to tell her that Temeraire is happy: that's hardly something you couldn't have thought of alone, and it makes a polite noise."
He made all the correct polite noises while I frowned, thinking.
Mechanically he grinned, made a polite noise, and, as the car moved forward, waved his hand.
People come to view, make polite noises about the quality of light in the conservatory and then go away for good.
The members of the work crew made polite noises, but they obviously agreed with him.
I made polite noises and waited for her to tell me what was really on her mind.
Barton tried to follow the conversation, making polite noises and hoping they were the right ones.