Expressing an approximate number (Chinese Grammar Points)
1 Two adjacent numerals are used to represent the approximate number.
2 If the number is between 10 and 20, 十 + N + (N+1) are used to form an approximate number.
3 Don't use the whole adjacent numerals to express a 2-digit approximate number.
4 You only need to use the adjacent unit numbers to express a 2-digit approximate number.
5 Verbal measure words are those indicating the frequency of an action.
6 N+N+1 + Measure Word + Noun
7 two ways of expressing an approximate number cannot be used at the same time.
8 九+十, or 十+十一 cannot be used for approximate number.
9 一两, 三两 and 两三 are used to describe small amounts and quantities.
10 "千百" and "千万" are used to mean "a large number of".
11 "一二" can be placed after a verb to express "too slight or small in amount".
12 The fixed expressions "十之八九" and "十有八九" are used to mean that something is very likely.