Let MM see the joke of blushing?

After reading it, I should give points: I went to kindergarten when I was a child, and the female teacher taught the children to learn English.

"Students, come and read with me: A~B~C~~"

At this moment, a child stood up and said

"Teacher, my mother said that B was swearing, and I couldn't say it ..."

Teacher: "Son, your mother's B is different from the teacher's B, your mother's B is swearing, and the teacher's B is a foreigner's di…… ..."