There are many Vietnamese consonants and vowels that do not exist in English. KH is one of them. This consonant sounds like in the middle between a K and an H.
The sound exists in the German language as in /ch/, also in Spanish and Russian languages
New Vietnamese learner’s usually confused the sound with H
This video will help you learn how to pronounce the Vietnamese consonant KH correctly
Take a look at this video
To learn more about Vietnamese Pronunciation Southern Dialect, you can take a look at here:
Chào bạn! Mình tên là Phi. You can call me Hanson :D. I graduated from the University of Pedagogy of Ho Chi Minh City in 2014, my major is English Language Teaching. I have been teaching English for 4 years, and Vietnamese for 3 years to people from all around the world. I am also a voice actor for Vietnamese Dubbing movie, that means my accent is 100.01% Southern Accent. I am very happy to be here to help you learn Vietnamese.