1. Obscene pants are underpants or underpants, which refer to the underpants worn by the ancients. At that time, there were no underpants like these now.
2. The underpants worn by the ancient people had long legs, so they were not easy to exercise. The reason why they were called obscene underpants was that they were a kind of dirty and contemptuous clothes in the eyes of the ancient people, and should not be despised by others.
