Sign in Oxford. You Brits really know how to spoil a good time
Wayne, that translates as "no boozing, whoring or lawbreaking". Outside is OK.
The lawbreaking bit is interesting. It's not forbidden to break the law. What's forbidden is committing a specific offence. So they include it here to be on the safe side. In the armed services it's different, lawbreaking is forbidden, and a typical charge would be "with having breached Queen's Regulations and with having ..."
The sign at the Częstochowa park is similar, but whoring and lawbreaking seem to be OK.