elementaryA2 · TOCFL a2measure wordfunction word
一 M 一 M
Pattern
一 + measure word + 一 + measure word + noun
Key words
Core idea
一 M 一 M patterns can describe gradual change or a state developing piece by piece.
The repeated measure word gives a vivid, step-by-step feeling.
When to use it
Use it with time measures, steps, pages, items, or other countable units when the change unfolds across those units.
Compare with one-at-a-time
The same repeated shape can count items one by one. This page focuses on the descriptive effect: a state becoming stronger or clearer over repeated units.
Examples
天气一天一天热起来。
Tiānqì yì tiān yì tiān rè qǐlai.
The weather gets hotter day by day.
他的中文一年一年进步。
Tā de Zhōngwén yì nián yì nián jìnbù.
His Chinese improves year by year.
事情一步一步变好了。
Shìqing yí bù yí bù biàn hǎo le.
Things got better step by step.