There are also taboos about laughing.

1. Don't smirk: a smirk is a insincere and false smile. As the saying goes, a smile is not real happiness, but a meaningless smile. So, you can stop smirking, but you can't smirk.

2. Don't sneer: A sneer is a smile that contains anger, irony, dissatisfaction, helplessness, disdain and disapproval. This kind of smile will make people hostile, so don't sneer at it on any occasion.

3. Don't laugh strangely: A strange smile is a strange smile that makes people feel numb, intimidating, mocking and disgusting. Therefore, if you have opinions, you can put them forward in person, instead of expressing your dissatisfaction with a strange smile.

4. Don't smile: Smiling is to please others, not from the heart, and has a certain utilitarian purpose. So don't smile to please others.

5. Don't snicker: Sneaking is snickering, which means you are complacent, gloating, or amused by other people's jokes. Therefore, when you see others in trouble, you should help them, but you can't snicker.

6. Don't make a face: When you make a face, your face is fierce, which means you are angry, afraid and frighten others with a smile. So stay away from these people with ulterior motives and don't make faces to scare others.