how do y enter in the castle in town, y dont want to sneak and the guard say that y look dirty, y put pircings in lona, but y dont thing that is it? rigth? (sorry for my bad english, y am studing the language)

you can only  enter with low Weak and Dirt.   and must with a passage.

Passage can obtain  from a chained quest.

Or you can enter with high SCU build.