守規矩

to behave oneself / to abide by the rules

to guard / to defend / to keep watch / to abide by the law / to observe (rules or ritual) / nearby / adjoining

compass / a rule / regulation / to admonish / to plan / to scheme

lit. compass and set square / fig. established standard / rule / customs / practices / fig. upright and honest / well-behaved

variant of 矩[ju3]

carpenter's square / rule / regulation / pattern / to carve