1. In high school, all students must wear uniforms. One student who was repeating a grade never wore it. The teacher in charge would check at the door every day. One day, the teacher saw this student not wearing the uniform and asked why. This student became angry and said: "My mother isn't dead, why should I wear mourning clothes?"
2. A slightly famous art teacher was featured extensively in a newspaper with a photo attached. Thus, he bragged in class: "Recently, classmates have been saying to me, 'Teacher, you're great, your picture is on the newspaper!'" One student said: "Is it a wanted notice?" From then on, the art teacher refused to let this student attend art classes.
3. In Chinese class, the teacher called on a sleeping student to answer a question. The student, dazed and confused, couldn't say anything. The teacher helplessly said: "Do you know or not? If you don't, just make a sound!" The student said: "Squeak." The teacher was speechless.
4. When it was almost time for the high school proficiency exam, during one geography class, the teacher called out place names and we were supposed to answer with the local mineral resources. After many places, the teacher suddenly asked: "What does Jiangnan produce?" All the boys in the class answered in unison: "Jiangnan produces beauties!"
5. In junior high, during one biology class, the teacher was explaining the ecological system of the African grasslands. Since no one was paying attention, the teacher got angry and said: "You all look at me! If you don't look at me, how will you know what African wildcats look like!"
6. During one advanced math class, the teacher asked my buddy: "Calculus is a very useful subject. What's our goal in studying calculus?" That guy was distracted and without thinking, loudly answered: "No cavities!" The whole class burst into laughter.
7. During biology class, the teacher said: "In fact, weasels do not eat chickens. Scientists did an experiment where they locked a chicken and a weasel together. Guess what happened the next day?" A student interjected: "The chicken got pregnant?"
8. In senior three, our geometry teacher was an old lady who liked to boast and was quite annoying. One day in class, she said: "I am highly regarded in the Education Bureau. They always invite me to solve problems together, and each time they send a car to pick me up and drop me off." I unintentionally asked: "Why?" As a result, I was banned from attending geometry classes for a week.
9. In high school, our English teacher (a middle-aged woman around fifty) got mad because a few of us boys weren't paying attention and scolded: "What are you thinking about?" At that moment, I blurted out without thinking: "Thinking about you!" There was a brief silence in the classroom, only pairs of terrified eyes staring at me. The teacher was stunned for a moment, then pointed at me and yelled: "You're just a dirty rogue!" It was unfair!
10. In high school, during the first labor class, the teacher was an old man who introduced himself: "My name is Wu Shushan." Suddenly inspired, I immediately followed up: "Looking northwest to Chang'an, pitifully obstructed by countless mountains." The whole class burst into laughter, the teacher turned pale, and subsequently, I was punished to do heavy work.