lower your voice
drop your voice

Please, lower your voice and wait until you get home to find out what's for dinner.

"I must ask you to lower your voice," she said.

Lower your voices, though, if you go on discussing history.

The automatic impulse up here was to lower your voice.

Lower your voice; you are not at home or in a telephone booth.

Lower your voice before you wake her and the others."

It is so peaceful that just walking in the door makes you slow down and lower your voice.

Now please be seated, Director, and kindly lower your voice.

"However, lowering your voice is not a logical response to the situation, Doctor.

"Lower your voice, please, you make my head ache now.

"Do you think you could perhaps lower your voice a tad?"

"You'd better lower your voice unless you want your aunts to hear."

"May I suggest that you both lower your voices.

"You had better lower your voice," David said coolly.

"I would suggest you lower your voice," said Kaiser.

"Lower your voice," directed the card in a nervous scrawl.

"Lower your voice when you speak to me or you won't have a chance to ask those kinds of questions again!"

Others speak softly, so you lower your voice.

"Lower your voices, or I'm fining you both for contempt of court.

Now lower your voice when you're talking to me and keep your dirty finger to yourself!"

It is invaluable to have a friend who can indicate to you by some private sign if you should raise or lower your voice.

You needn't lower your voices as I approach.

It would help if you'd lower your voice."

"I wonder, Captain," he murmured, "if you could possibly lower your voice?

His colleagues perpetually shouted at him: "Can't you lower your voice?

He was peering forward at me as they always do when you suddenly drop your voice.