Today’s English expression and dialog: diddly-squat Are you still working on that software? Yeah. It’s really complicated. I thought Dave was going to help you. He knew diddly-squat~   FREE LESSONS: www.LetsMasterEnglish.com/free Subscribe on iTunes and get this English podcast FRESH! Support the Let’s Master English team! JOIN our classes: Coffee for me and diapers for Mikey and Jimmy!: Become a patron: PLEASE support my sponsors: (Get a free AUDIO BOOK!) Get the best NOOTROPICS for your mind and body. (USA-only☹) Study English, FREE ENGLISH LESSONS: http://letsmasterenglish.com/radio