Well, common Chinese words are pronounced as n m, nèi, nà or nā. When "that" is used in place names, it is pronounced as nuó；; In ancient times, the word "na" used to express interrogative adverbs or interrogative pronouns was also written as "na" and pronounced as n·m 4；; The demonstrative pronoun "na" commonly used in modern Chinese is pronounced as nà; The "na" used as a surname is pronounced as n ā; "Na" can also be used as the country name of the Zhou Dynasty "Meng", which is pronounced as nán at this time.