Learn what to do with your tongue for words like cold and ball, where L is not at the beginning of a word or stressed syllable. This is one lesson from my Udemy and Skillshare courses on consonants:
https://www.udemy.com/course/american... (for all language backgrounds)
https://www.udemy.com/course/consonan...
https://www.udemy.com/course/american...
https://www.udemy.com/course/american...
https://www.udemy.com/course/vowelsf...
My Skillshare Courses are for English language learners of all backgrounds: https://www.skillshare.com/r/user/smo...
Visit me at http://www.smoothenglish.com
Register for my FREE month Zoom office hours on the Learning Resources page and receive live feedback and correction.