pīn yīn
phonetic writing
pinyin (Chinese romanization)
Hàn yǔ pīn yīn
Hanyu pinyin, the pinyin transliteration system used in PRC since the 1960s
pīn yīn wén zì
phonetic alphabet
alphabetic writing system
tōng yòng pīn yīn
the common use romanization system introduced in Taiwan in 2003
Wēi tuǒ mǎ pīn yīn
Wade-Giles system (romanization of Chinese)
Wēi mǎ pīn yīn
Wade-Giles system (romanization of Chinese)
Wēi Tuǒ mǎ pīn yīn
Wade-Giles system (romanization of Chinese)
Hàn yǔ Pīn yīn
Hanyu Pinyin, the pinyin transliteration system used in PRC since the 1960s
Yuè yǔ Pīn yīn
Cantonese romanization
Jyutping, one of the many Cantonese romanization systems