They try to provide us some guidance about words that are considered slang or informal or offensive, often through usage labels, but they're in something of a bind, because they're trying to describe what we do, and they know that we often go to dictionaries to get information about how we should use a word well or appropriately.
Ils essayent de nous guider parmi ces mots d'argot, informels ou déplaisants, souvent des mots d'usage, et cela est difficile pour eux, car ils essayent de décrire nos actions et ils savent que les dictionnaires nous servent encore souvent pour obtenir des définitions précises.