What does it mean to turn over the dumpling skin?

1. In the process of wrapping jiaozi, the dumpling wrapper is broken or deformed. This is usually caused by improper operation or other reasons when packing jiaozi. For example, the wrapping paper used is too fragile and not tight enough. This will cause the stuffing to be exposed or the shape of jiaozi will not look good after cooking.

This statement can also vividly describe a person's unstable personality, tossing and turning like a dumpling skin. This expression is usually used to describe people who had a good attitude before, but suddenly changed their attitude or behavior. They show different attitudes and behaviors when facing different people or situations, which makes people feel that they are unreliable or unpredictable.