Skip to the tool
Perfect Chinese Grammar Checker

对 (duì): Chinese measure word

How to use 对 (duì), the Chinese measure word for couples and matching pairs: example nouns with pinyin, sentences and common mistakes.

Last updated 2026-10-30

对

duì

couples and matching pairs

What it's used for

对 counts pairs of people or matching things: couples, partners, twins, earrings, pillows.

Common nouns with 对

Look up another noun →

Example sentences

  1. 他们是一对好朋友。

    Tā men shì yí duì hǎo péng you.

    They're a pair of good friends.

  2. 这对夫妻结婚十年了。

    Zhè duì fū qī jié hūn shí nián le.

    This couple has been married for ten years.

  3. 我买了一对耳环。

    Wǒ mǎi le yí duì ěr huán.

    I bought a pair of earrings.

Common mistake

Use 双 for shoes and chopsticks; 对 is mainly for people and matching items.

Compare with

Wrong measure words are one of the most common mistakes

Our free Grammar Checker flags them, like 一个书 → 一本书, along with other grammar, character and punctuation errors.

Check your Chinese free

Explanations and example sentences are AI-assisted and cross-checked. Example nouns come from CC-CEDICT and cross-checked answers. How we build this

Check your Chinese grammar for free

Write in Chinese and get every grammar mistake, wrong character and punctuation error marked, with a clear explanation of each correction.

Open the Grammar Checker