Take the initiative to admit mistakes and shame after making mistakes? I am afraid that I will be laughed at by others. Should I say or not?

If you make a mistake, you should actively admit it, take the initiative to admit it and correct it. This is not only not shameful, but will give people a good impression that they dare to admit their mistakes and correct them when they know them, which will make people trust and have a good impression on you. No one will laugh at you, even if someone smiles, it is a well-meaning and approving smile. Otherwise, people who laugh at you are ignorant and won't pay attention.