Hànyǔ Pīnyīn is a system for writing out Chinese phonetically using the Latin alphabet. For example:
Pinyin
dǒng
zhōng
wén
English
understand
Chinese
Typing on a pinyin keyboard is the most popular electronic input method for simplified Chinese characters.
Initials, finals, and tones
Practice hearing the different tones
b p m a i y
n f an en
h d t e ao
g k u w ou o
l ang eng ai ei ui
ü yu (i/y/ü/yu)e er
j q x
z c s
zh ch sh r
Practice commonly confused sounds
Use speech recognition to practice your pronunciation