Our female math teacher plays with shoes to dry her feet and blocks her feet with the other leg, for fear that we will feel unsightly when we see it?
There are probably many reasons why female teachers play with shoes to cool their feet. First, she may have foot diseases, such as beriberi and tinea pedis. Second, she may have hurt her foot at school. That's why she blocked it with her other leg in case you saw it and thought it was ugly. A teacher is a noble profession. I think there must be something wrong with her feet before she does this.