Take a look there: https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Internet-resources-for-polyglots
I guess International Phonetic Alphabet might be most helpful. Using Audacity to practice is also a good way.
vincentDecember 2020thanks for the info
I studied level one at Confucious institute in my country, but for some reasons i stopped, so i tried to search about online resources then i found a valuable set of chinese courses on ”Coursera website” you can enroll it for free.