He wondered why the government did not stop him from speaking.

He tried to stop himself from speaking, but the words came out.

She held up a hand to stop me from speaking further.

When he opened his mouth, she raised a hand to stop him from speaking.

Did you see how he stopped her from speaking when she was going to say something more?

She opened the door and was about to call out when the unusual situation stopped her from speaking.

"You can't use your power to stop people from speaking their minds."

Then he withdrew into himself, and I stopped the young men from speaking to him again.

Before I could answer, she put her finger to my mouth to stop me from speaking.

He held up a hand to stop her from speaking.