What is the legal ruling on wearing short trousers in front of one's mother and sister, and is it permissible to uncover the area between the navel and the knee in front of them? And what is the legal ruling on a veiled woman wearing tight or transparent trousers with a short shirt in front of her female neighbor?

It is permissible to wear opaque, loose, modest trousers that cover the area between the navel and the knee in front of Muslim women, although it is better to adhere to modest clothing. However, if it does not meet these specifications, it is not permissible to wear it except in front of one's husband, and it is not permissible for any woman to look at your 'awrah (private parts).