pīn yīn
phonetic writing
pinyin (Chinese romanization)
biāo zhù
to mark out
to tag
to put a sign on sth explaining or calling attention to
to annotate (e.g. a character with its pinyin)
Hàn yǔ pīn yīn
Hanyu pinyin, the pinyin transliteration system used in PRC since the 1960s
Zhōu Yǒu guāng
Zhou Youguang (1906-), PRC linguist, considered the father of Hanyu Pinyin 漢語拼音|汉语拼音[Han4 yu3 Pin1 yin1]
Hàn yǔ Pīn yīn
Hanyu Pinyin, the pinyin transliteration system used in PRC since the 1960s