Cause of confusion: There is no short u sound in French. It is often confused with a short o sound. Short o sounds like the sound you make when a doctor asks you to stick out your tongue. The short u sound is like in the word up.
Correct it: Listen aggressively to notice the nuances between vowels. For shot, drop your chin and hold the sound longer. For shut, keep the sound short and raise the edges of your mouth (as if you’re smiling). Say “He entered and shut the door.
Choose the right opportunity: Why not ask Roy how he can help to improve your career by mastering English conversation?