In this episode, we’re going to unlock one of the biggest secrets to sounding natural in American English. It's not vocabulary, and it's not grammar. It’s really not even pronunciation…although all of those things are important. It is rhythm. Specifically, syllable stress. You can pronounce every sound correctly and use perfect grammar, but still sound unnatural, if the rhythm of the language, isn’t quite right. If you think you sound like a robot when speaking American English, host Katherine Arthur has some simple advice to help you fix that.