He would always lower his voice if you asked him.
West looked around and wished he would lower his voice.
The little man looked around him and lowered his voice.
I walked back over to her and lowered my voice.
I lowered my voice so the other staff wouldn't hear.
He lowered his voice as a group of police officials passed them.
She lowered her voice so no one else could hear.
He took a risk, and lowered his voice still further.
She lowered her voice and did not look at him.
She moved quickly to his side, and lowered her voice.