Select the most appropriate meaning of the given Idiom: "To Button one’s lips"

To stop talking

The answer is ☀ To stop talking.

The idiom "to button one's lips" means to keep quiet or not say anything. It is a figurative expression that comes from the idea of buttoning one's lips shut so that no words can escape. This idiom is often used to tell someone to be quiet or to not say something that they should not say.

The other options are not correct interpretations of the idiom. Speaking slowly is not the same as buttoning one's lips, and pretending to sing is not an idiom at all. None of these options accurately conveys the meaning of the idiom "to button one's lips."