What is Pinyin?
Pinyin is a type of transliteration for the Chinese language, a tonal language, where accents are used to show tones. It is the official form of the Latin alphabet transliteration used for the People's Republic of China and most of the world. And it is the standard form of Chinese Romanization for the United Nations.
b p m f w
d t n l
g k ng h
j q x y
z c s
a e i o u ü
Basic combinations of vowel and consonant
ai ei ao ou
an en ang eng ong
There are four tones in Pinyin, such as ā, á, ǎ, à or written as a1, a2, a3, a4.
Syllable-dividing mark (geyin fuhao)
Geyin fuhao is used after the syllables starting with vowels "a, o, e", such as pi'ao.