breaking the rules (verb) = doing something that the rules say you must not do.
against the law (adjective) = if you do something against the law you are breaking the law. A law is a rule for a country or city.
rebel (verb or noun) = a person who breaks the rules because they don’t like rules or because they want to be different from other people.
obligation = something which you should do because of a promise you made to another person, or because someone helped you so you have to help them too. It is sometimes part of the law, but not always.
tighten the rules = to make the rules harder than before.
procedure = the things that you have to do to finish a particular task, project or action.
inappropriate behaviour = an action which is wrong, shocking or out of place (often involving rude jokes, sex, alcohol and other things). It is sometimes breaking the rules, but not always.
instructions = A set of small rules and procedures which someone tells you to follow.
The teacher went out of the room for ten minutes, but before she went she left strict instructions to the class that they must continue reading their books quietly.
The procedure to join the school library is this: you fill in a form, get your tutor to sign it, give the form to the librarian, and then come back in a week to collect your library card.
In my school, the rules were that kids had to wear black shoes, but some of us wore grey shoes as a way to rebel against the rules.
Telling racist jokes in the office is inappropriate behaviour and we cannot let you do it!
From next year, the government will tighten the rules on immigration. Anyone who wants to work in this country will need to have a full time job and be getting more than £23,000 per year. They must also pay their salary into a UK bank account.
If I ask ‘How’s you?’ then I’m breaking the rules of English grammar!
My uncle sent me some money for my birthday, so I feel an obligation to visit him for his birthday!