Read my lips!
Watch my lips!

For a moment, he watched her lips moving but couldn't hear a word she said.

I watched their lips moving slightly as they repeated it to themselves.

He needs to watch people's lips and gestures for clues to what they are saying.

She'd been watching his lips again, losing track of what they were saying.

"Their promises they never keep, watch my lips and all that."

It also showed how these people could learn to speak words by watching their lips and reading what other people were saying.

She mouthed the words back, and he watched her lips.

Nick was watching her moist lips, waiting to see them move again.

He didn't think the man had watched his lips, but wasn't certain.

He watched the man's lips to help himself hear.