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HSK 2 Grammar Points
8AdjectivesHSK 2 Grammar Point 8

Adjective Reduplication: AA & AABB

形容词重叠:AA、AABB xíngróngcí chóngdié: AA, AABB

Jason
Amy

Make descriptions more vivid and emphatic by reduplicating adjectives

Podcast Examples Exercises Mistakes Tips 30 XP
Pattern
May 26, 2026
AA () / AABB () + noun or as predicate

Single-character adjectives reduplicate as AA (大 → 大大的). Two-character adjectives where AB are both adjectives reduplicate as AABB (高兴 → 高高兴兴).

Unlike verb reduplication (which softens), adjective reduplication INTENSIFIES — it makes descriptions more vivid, emphatic, and often affectionate.

Lesson Targets

TaskMake descriptions more vivid and emphatic by reduplicating adjectives
Topicadjectives
Characters大大的、高高的、干干净净、高高兴兴、漂漂亮亮、好好的
Skillspattern recognition, sentence construction

Podcast

JasonAmy

Podcast: Adjective Reduplication: AA & AABB (形容词重叠:AA、AABB)

Listen to Jason & Amy explain the 形容词重叠:AA、AABB pattern

Understanding 形容词重叠:AA、AABB

In GP-04, you learned that repeating verbs makes actions softer. Adjective reduplication does the opposite — it makes descriptions MORE vivid and lively. 大 (big) becomes 大大的 (nice and big). 干净 (clean) becomes 干干净净 (perfectly clean, spotlessly clean). This pattern paints a picture — when you say 高高兴兴地回家了, you can almost see the person skipping home happily. It adds color, emotion, and emphasis to your descriptions. You will hear it constantly in storytelling, descriptions of people, and everyday exclamations. The key difference from verbs: verb reduplication = softer; adjective reduplication = stronger and more vivid.

Key Points

  • AA pattern: 大 → 大大(的), 高 → 高高(的), 好 → 好好(的) — single-character adjectives.
  • AABB pattern: 高兴 → 高高兴兴, 漂亮 → 漂漂亮亮, 干净 → 干干净净.
  • Reduplicated adjectives before nouns usually take 的: 大大的眼睛 (big, beautiful eyes).
  • Reduplicated adjectives as adverbs take 地: 高高兴兴地走了 (left happily).
  • The tone of the second syllable in AA often changes to tone 1: 大大 → dà dā.
  • This pattern adds warmth and vividness — it is common in spoken Chinese and storytelling.
  • Not all adjectives can be reduplicated — it works best with descriptive, gradable adjectives.

Chinese parents use reduplication constantly when talking to children: 好好吃饭 (eat properly), 快快长大 (grow up quickly). It adds a tender, affectionate quality to the language.

Key Vocabulary

大大的dàdà denice and big
高高的gāogāo denice and tall
干干净净gāngān-jìngjìngspotlessly clean
高高兴兴gāogāo-xìngxìngvery happily
漂漂亮亮piàopiào-liàngliangbeautifully
好好的hǎohǎo deperfectly fine / properly

Example Sentences

Listen to all sentences once to receive XP
1

那个女孩儿高高的个子,大大的眼睛,非常漂亮。

Nàge nǚháir gāogāo de gèzi, dàdà de yǎnjing, fēicháng piàoliang.

That girl has a tall figure and big eyes — very beautiful.

2

这个房间干干净净的。

Zhège fángjiān gāngān-jìngjìng de.

This room is perfectly clean.

3

他们都高高兴兴地回家了。

Tāmen dōu gāogāo-xìngxìng de huíjiā le.

They all went home happily.

地 makes it an adverb modifying the verb 回家

4

孩子好好的,别担心。

Háizi hǎohǎo de, bié dānxīn.

The child is perfectly fine — don't worry.

5

你要好好学习。

Nǐ yào hǎohǎo xuéxí.

You must study properly.

好好 here means "properly / well"

6

外面冷冷的,穿件外套吧。

Wàimiàn lěnglěng de, chuān jiàn wàitào ba.

It is quite chilly outside — put on a jacket.

Common Mistakes

高兴高兴地走了。
高高兴兴地走了。

Two-character adjectives use AABB, not ABAB. (ABAB is for verbs.)

大大眼睛。
大大的眼睛。

Reduplicated adjectives before nouns need 的: 大大的眼睛.

Practice Exercises

Exercise 1 of 4
fill blank

这个房间___的。(This room is spotlessly clean.)

Tips & Tricks

1

Remember the rule: VERB reduplication softens (看看 = take a look), ADJECTIVE reduplication intensifies (大大的 = nice and big).

2

AA for single-char adjectives, AABB for double-char adjectives. Never mix them.

3

好好 is one of the most useful: 好好吃饭 (eat properly), 好好学习 (study well), 好好休息 (rest well).

Homework

Describe a person you admire using at least three reduplicated adjectives (e.g., 高高的个子, 大大的眼睛, 干干净净的衣服). Then write three AABB + 地 sentences about daily actions.

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