“ ” “ ” are two onomatopoetic words, most of the dictionaries are not collected, some are them, but their notes are wrong. Some dictionaries state that “ ” “ ” are“乒” “乓”. Actually, they're not quite the same. The notes of“ ” “ ” can be determined, but the pronunciation of these words are difficult to determine and can only be suspected.

• 崔山佳(浙江財經大學人文與傳播學院教授，研究方向：近代漢語、漢語方 言) | Shanjia CUI