HanziGuru.材 · cái
材
cái[cai2]Tone 2

material

HSK 3
Guru Deep Dive

English · material

Cached lesson
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Topology:Left-right
Strokes:7
Writing Balance Rule: The left radical (木) should be slightly narrower and compressed to make room for the right phonetic component (才), keeping the entire character harmoniously centered within an imaginary square.
1. Meaning

material

timberabilityaptitudea capable individualcoffin (old)
NounNeutral#resources#ability#construction
Sample Usage
  • 这块木头是做桌子的好材料。
    zhè kuài mùtou shì zuò zhuōzi de hǎo cáiliào.
    This piece of wood is good material for making a table.
  • 他是个不可多得的栋梁之才。
    tā shì gè bùkěduōdé de dòngliángzhīcái.
    He is a rare talent capable of bearing heavy responsibilities.
2. Sound
/[tsʰaɪ̯³⁵]/Tone: 35
材
cáicai2
++
´(35)
=cái
Initial Consonant
c
Type: Aspirated Dental Sibilant
Sounds like: ts- sound like 'ts' in 'cats'
Aspirated
Airflow Tactile Test: Sharp burst of air through teeth! Tissue MUST flutter strongly.
Tongue & Mouth Position: Tongue tip pressed against the back of the lower front teeth, releasing a sharp burst of air.
Final Rhyme
ai
Vowel Group: -a vowel group
Sounds like: -ai rhymes with 'eye'
Mouth Shape Guide: Pronounce as standalone vowel 'eye'.
Common Learner Trap: Keep vowel quality steady across all 4 tone contours.
Tone
T2 (35)
2nd Tone (Mid-Rising)
Tone Pitch & Cadence: Tone 2 starts mid and rises sharply to high, identical to the incredulous rising intonation of 'Huh?' in English.
👂
Listening trap: Often confused with 'zài' (Tone 4) or 'cài' (Tone 4) due to similar initial consonants, but has a rising Tone 2 pitch contour.
👋
Physical Tone Gesture: A rising hand gesture starting from a neutral height and sweeping upward toward the ceiling, exactly like asking a question in English ('What?').
3. Writing

Topology: Left-right · Strokes: 7 strokes

Writing Balance Rule: The left radical (木) should be slightly narrower and compressed to make room for the right phonetic component (才), keeping the entire character harmoniously centered within an imaginary square.

4. Components

Radical 木 · Wood Radical (tree, wood)

Semantic Clue (形旁): 木 (Indicates that the original meaning relates to wood, timber, or physical substances.)

Phonetic Clue (声旁): 才 (original sound: cai)

Combining the Wood radical (木) with the phonetic/meaning component of talent/ability (才) yields 'material' or 'timber', extending metaphorically to human 'talent'.

  • 木 Wood / Timber (Left side)
  • 才 Ability / Talent (Right side)
5. History
Liushu category: Phono-semantic (形声)

Origin: Originally formed as a phono-semantic compound where 木 (tree/wood) provides the category of raw material, and 才 (talent/foundation) provides the sound and a secondary conceptual layer.

Semantic Evolution: From physical raw wood or timber used for building, the meaning generalized to any material, and further extended metaphorically to human capabilities and talents ('building materials for society').

  • In ancient times, premium timber was critical for building palaces and coffins, elevating 'cái' to signify precious substance.
6. Sinosphere
🇻🇳
Sino-Vietnamese
tài
Corresponds to the Vietnamese high rising tone (thanh sắc).
🇯🇵
Kanji (Japanese)
On: サイ
🇰🇷
Hanja (Korean)
재
Sound Shift Bridge: Shares an ancient root with East Asian cognates meaning talent or material (e.g., Japanese 'sai', Vietnamese 'tài').
7. Memory
Vivid Mnemonic Story

Picture a piece of raw WOOD (木) being shaped by a talented craftsman with great ABILITY (才) to turn it into useful MATERIAL.

Phonetic Family (形声字家族)
财
cáiwealth, moneyReplaces wood radical (木) with shell/money radical (贝) for financial wealth.
闭
bìto close, shutUses a door enclosure (门) enclosing 才.
Lookalikes & Traps (形近字)
菜(cài)
Has the grass radical (艹) on top because it means vegetable or dish, whereas 材 has the wood radical (木).
财(cái)
Has the money radical (贝) instead of wood (木) when referring to wealth.
8. Mastery
Active Recall Challenge
他是一个非常有潜力的栋梁之[___]。
Clue: cái
Common Learner Pitfall

Confusing 材 (material/timber) with 菜 (vegetable/dish) due to similar sound and phonetic components.

Memory Prompts
Recognition: What does the character 材 mean when combined with 木 and 才, and how do you pronounce it with Tone 2?
Production: How do you write the Chinese character for 'material' or 'timber' (cái) using the wood radical?
Real-World Video Context

Watch authentic native speakers pronounce and explain this word in real-world YouTube videos.

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