1 的 7922684 4.09433 de/di2/di4 (possessive particle)/of, really and truly, aim/clear
2 一 3050722 5.67089 yi1 one/1/single/a(n)
3 是 2615490 7.02254 shi4 is/are/am/yes/to be
4 不 2237915 8.17906 bu4/bu2 (negative prefix)/not/no
Since ancient times,indexing Chinese character terms is a big problem. A system called weizima places all terms in a fixed position of any dictionary-like listing.