 However, they may have some difficulty understanding informal speech, such as the dialogue in a sitcom.This is due more to slang, idioms, vocabulary and use of exclusive cultural references than to accent or pronunciation.However, when speaking to a European French speaker, a more rural French speaker from Quebec is capable of shifting to a slightly more formal, "international" type of speech by avoiding idioms or slang, much like a person from the southern U.S. would do when speaking with a speaker of British English.