Dreaming of becoming dumb symbolizes that there is no way for people to understand the dreamer's thinking process, so business can't progress smoothly;
Dumb people dream of losing their voices, which is a bad sign of friends.
The following is the psychological explanation of dreaming of losing voice:
Sound can convey information, and the disappearance of sound in dreams indicates that the dreamer lacks communication with others.
Hope to adopt, thank you.