oh . Because you are a woman. You can explain it to the person in charge of the training class. See if there is a female coach, and let her take charge of your training. Many women have such requirements. People also understand. But if not, it doesn't matter. There is nothing wrong with men. The main problem for women to learn swimming is that they are shy and afraid of being harassed. In fact, there will be no problem in public. Shy psychology, it will be fine in a day or two.