Numeral-Measure Word Reduplication
数量重叠：数词 + 量词 + 数词 + 量词
Use the pattern "number + measure word + number + measure word" to express iteration and progression such as "one by one" or "day by day"
Repeat the same number-measure word combination to express "one by one," "row by row," "day after day," etc. When used before a verb, add 地 as the adverbial linker. When used as the subject, no 地 is needed.
The most common number used is 一 (one), producing patterns like 一个一个, 一天一天, 一遍一遍. Other numbers are possible: 两个两个 (two by two), 三个三个 (three at a time).
Lesson Targets
Podcast
Podcast: Numeral-Measure Word Reduplication (数量重叠：数词 + 量词 + 数词 + 量词)
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Understanding 数量重叠：数词 + 量词 + 数词 + 量词
The numeral-measure word reduplication pattern is a vivid and expressive way to convey repetition, progression, or methodical sequencing in Chinese. By repeating a number-measure word pair, you paint a picture of things happening systematically — one after another, row upon row, day by day. The most common version uses 一: 一个一个 (one by one), 一天一天 (day by day), 一遍一遍 (time after time). But you can also use other numbers: 两个两个地进来 (come in two by two). When this reduplicated phrase modifies a verb, you need the adverbial particle 地 between them. When the phrase acts as the subject of the sentence, 地 is not used. This pattern adds rhythm and emphasis to your speech — it conveys patience, persistence, or the steady passage of time.
Key Points
- Pattern: Num + MW + Num + MW. Example: 一个一个 (one by one), 一排一排 (row by row).
- When modifying a verb, add 地: 一个一个地走 (walk one by one).
- When used as subject, no 地: 日子一天一天过去了 (the days passed day by day).
- Most commonly used with 一, but other numbers work too: 两个两个 (two by two).
- This pattern emphasizes repetition, sequence, or gradual progression.
- Common measure words in this pattern: 个, 天, 遍, 排, 步, 件, 句.
This reduplication pattern is especially common in storytelling and literary Chinese. It creates a rhythmic, almost poetic quality. You will often hear parents use it affectionately: 妈妈一遍一遍地告诉你 (Mom tells you again and again). It conveys patience and emotional weight that a simple adverb like 反复 (repeatedly) does not capture.
Key Vocabulary
Example Sentences
图书馆里放着一排一排的书架。
The library has rows upon rows of bookshelves.
Modifying a noun with 的
老师让学生两个两个地进教室。
The teacher had students enter the classroom two by two.
Non-一 number reduplication
妈妈一遍一遍地告诉我要注意安全。
Mom told me again and again to pay attention to safety.
日子一天一天过去了。
The days passed one by one.
Subject position — no 地 needed
他一步一步地走上了山顶。
He walked step by step to the mountaintop.
请一个一个地回答问题。
Please answer the questions one by one.
孩子一口一口地吃着蛋糕。
The child ate the cake bite by bite.
Common Mistakes
When the reduplicated phrase modifies a verb, the adverbial particle 地 is needed between them.
When the reduplicated phrase is part of the subject-predicate flow (describing the subject itself progressing), 地 is typically omitted. Both forms are used, but omitting 地 is more natural here.
Practice Exercises
Tips & Tricks
This pattern is like English "one by one," "step by step" — but Chinese can do it with ANY measure word.
Remember the 地 rule: before a verb, add 地. Before a noun, use 的. As a subject, skip both.
Start with 一 + common measure words: 一个一个, 一天一天, 一步一步, 一遍一遍 — these are the most frequently used.
This pattern sounds literary and expressive — use it to add emotional weight to descriptions.
Homework
Write five sentences using numeral-measure word reduplication. Use at least three different measure words (个, 天, 遍, 排, 步, 口, 句, etc.) and include at least one example with a number other than 一.