Doubling adjectives (AA / AABB)
IntroducedA room is ready for a guest
- You describe a room that has been thoroughly tidied.
- room房间干干净净(modifier / structural particle)的。 — The repeated adjective gives a vivid description of the clean room.
You describe a room that has been thoroughly tidied. What does 房间干干净净的。 communicate?
The repeated adjective gives a vivid description of the clean room. 干净 can become 干干净净, but this is a lexical pattern, not a rule for every two-character adjective. 雪白 can use 雪白雪白 rather than AABB. Learn attested forms.
Build the form
- The pattern in this lesson is Doubling adjectives (AA / AABB). Locate it in the original interlinear examples below.
- Keep the words in their demonstrated positions; the pattern must fit the intended situation as well as the sentence form.
the baby宝宝的eyes眼睛big and round大大的。
Using the lesson pattern in this demonstrated example: Double 大 to describe round eyes: ____ 的眼睛 (write the doubled form).
One-syllable adjectives double as AA: 大 → 大大(的).
Read examples in context
I我want to想comfortably舒舒服服地lie躺on在the sofa沙发上。
- In the opening example, room房间干干净净(modifier / structural particle)的。: The repeated adjective gives a vivid description of the clean room.
- Explain who acts, what is described and which time or group is relevant before choosing an English paraphrase.
Reduplicate the two-syllable adjective 高兴 (happy):
For 高兴 the adjective form is 高高兴兴. Not every two-character adjective uses AABB.
Match each doubled form to what it modifies.
- 的 paints a noun (大大的眼睛); + 地 colours a verb (舒舒服服地躺).
Know the boundary
- clean干净 can become 干干净净, but this is a lexical pattern, not a rule for every two-character adjective.
- snow white雪白 can use snow white雪白snow white雪白 rather than AABB. Learn attested forms.
You can say 很高高兴兴 (very + doubled adjective).
很高高兴兴 is not the ordinary adjective pattern; 高高兴兴 already provides the vivid descriptive form.
Every two-character adjective must use AABB when repeated.
干净 can become 干干净净, but this is a lexical pattern, not a rule for every two-character adjective. 雪白 can use 雪白雪白 rather than AABB. Learn attested forms. The repeated adjective gives a vivid description of the clean room.
Use the distinction
- The repeated adjective gives a vivid description of the clean room.
- clean干净 can become 干干净净, but this is a lexical pattern, not a rule for every two-character adjective. snow white雪白 can use snow white雪白snow white雪白 rather than AABB. Learn attested forms.
Read the full reference: HSK 3 grammar — Reduplication of adjectives.
You describe a room that has been thoroughly tidied. Close the examples. Say a Mandarin response, then write it in Chinese. Explain briefly in English what the lesson’s pattern adds. Compare with the model, then change one detail and try again.
This is supported productive practice. Compare meaning and structure; your answer need not copy the model. A partner or teacher must hear the spoken response to comment on pronunciation.