Who can help explain the difference between timid mouth and backward mouth in cross talk?

There is no difference. Timid mouth is inverted mouth, and timid mouth is called inverted mouth among crosstalk experts.

Related introduction:

The original meaning of "cut" is "cut", which is called "inverted mouth" in cross talk. It refers to the performance of changing accent and belongs to the category of "learning" among various skills of actors. The original name of "timid crosstalk" has four paragraphs.

Crosstalk and storytelling, that is, imitating the hometown dialect of some specific characters, can highlight the birthplace, social status and spiritual temperament, reflect the rich and colorful customs of the world, and enhance the linguistic charm of rap.

Extended data

In the 1940s, there was an artificial cross talk craze in Beijing, Tianjin and other places. At that time, the audience was familiar with the original meaning and extended meaning of "Qi". In its original meaning, "cowardice" is very popular. Even tongue twisters have been performed with a straight mouth for many years. In order to cater to the taste of the audience, many actors have changed to "timid mouths", which has increased the artistic color and increased the visibility of the theater.

Tongue twisters have always been performed with "timid mouth", and since then there have been more and more jokes about "timid mouth". As far as the extended meaning of "fear" is concerned, the audience all know that "fear" is about what laymen do. No matter what laymen do, after generalization and artistic processing, they must violate the rules in many places, and there are many jokes, so they are very popular because they foresee a coke.

Under this historical condition, many "timid crosstalk" were created, arranged or derived. The more "cross talk" in newspaper or theater advertisements, the higher the attendance rate.

Baidu Encyclopedia-Fear of Crosstalk