一 M 一 M
Pattern
一 + measure word + 一 + measure word
Key words
Core idea
一 M 一 M phrases can show that actions happen one item at a time.
This is useful for reading sentences where people enter one by one, pages are read page by page, or questions are answered one at a time.
How it works
The repeated phrase usually comes before the verb phrase it describes, or before the result being completed.
Usage boundary
The exact measure word depends on the noun or action being counted. The grammar point is the repeated, step-by-step meaning.
Examples
学生们一个一个走进教室。
Xuéshēngmen yí ge yí ge zǒu jìn jiàoshì.
The students walk into the classroom one by one.
请一页一页看。
Qǐng yì yè yì yè kàn.
Please look page by page.
他把问题一个一个回答完。
Tā bǎ wèntí yí ge yí ge huídá wán.
He answered the questions one by one.
Seen in stories
One Lamp at a Time
杂货店老板拿出电池灯，一盏一盏放到门口。
The grocery store owner takes out battery lamps and places them at the doorway one by one.
One Lamp at a Time
孩子们一间一间通知店家，不要把冰箱一直打开。
The children notify shopkeepers one by one not to keep opening the refrigerators.
One Lamp at a Time
他们把椅子一张一张排成小圆圈，等老人讲以前的停电。
They arrange chairs into a small circle one by one, waiting for an elder to talk about old blackouts.
One Lamp at a Time
灯光一圈一圈照开，连最暗的招牌下面也看得清楚。
The lamplight spreads circle by circle, and even under the darkest sign becomes visible.
One Lamp at a Time
电回来时，大家没有马上关灯，而是一盏一盏谢谢它们。
When the power returns, everyone does not turn off the lamps right away; they thank them one by one.