Avoid shooting one's mouth off when you don't know the full story.

If one shot one's mouth off at the meeting, the manager would be furious.

She often puts words in someone's mouth during interviews, which creates unnecessary tension.

She accused him of putting words in someone's mouth during the meeting, which only made things worse.

She smiled demurely at the teacher — butter will not melt in someone's mouth — yet she had clearly cheated on the exam.

If one gets nervous, it's easy to run off one's mouth and say something you'll regret.

It's easy to run one's mouth off when arguing with friends, and I often regret it later.

It's unwise to shoot off one's mouth when you don't know the whole story.

If one accidentally eats the wild berries, it's wise to wash out one's mouth immediately with clean water.

The pediatrician explained that hand, foot, and mouth disease is highly contagious among toddlers.