If you’ve watched Netflix’s “Emily in Paris” (or really any show that’s set in France), you’ve probably wondered how the actors have mastered their French accents—especially the ones who are faking it ...

“At school, at university or in the mass media, it's common to consider having an accent a bit of a bad thing. It's not something positive,” says Médéric Gasquet-Cyrus, a sociolinguist at the ...