素 (sù) - Meaning, Stroke Order & Audio

素

sù[su4]Tone 4

plain, vegetarian, raw silk

HSK 6

Guru Deep Dive

English · plain, vegetarian, raw silk

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Topology:Top-bottom

Strokes:10

Writing Balance Rule: The top part should be compact and slightly wider, while the bottom part anchors the character with a solid vertical or sweeping hook, maintaining symmetrical balance.

1. Meaning

plain, unadorned, or simple, often used to describe food without meat (vegetarian)

raw silkwhiteessence or basic natureusually or normally

Adjective / NounNeutral#diet#colors#materials#habits

Sample Usage

吃素
chī sù
to be a vegetarian
素描
sù miáo
sketch, drawing

2. Sound

/[su⁵¹]/Tone: 51

素

sùsu4

`(51)

=sù

Initial Consonant

Type: Dental Fricative

Sounds like: s sound as in 'sun'

Unaspirated

Airflow Tactile Test: Clear, steady sibilant hiss.

Tongue & Mouth Position: Tip of the tongue close to the back of the upper teeth, air escaping through a narrow groove.

Final Rhyme

Vowel Group: -u vowel group

Sounds like: -oo sound as in 'boot'

Mouth Shape Guide: Pronounce as standalone vowel 'oo'.

Common Learner Trap: Keep vowel quality steady across all 4 tone contours.

Tone

T4 (51)

5 → 1 (51)

4th Tone (High-Falling)

Tone Pitch & Cadence: Tone 4 starts high and drops sharply to the bottom, like a sudden command of 'No!'

👂

Listening trap: Confusing the retroflex s- (sh-) with the dental s- sound. Here it is a crisp dental s, not curled back.

👋

Physical Tone Gesture: A sharp, firm downward chop with the hand, matching the dropping pitch of Tone 4.

3. Writing

Topology: Top-bottom · Strokes: 10 strokes

Writing Balance Rule: The top part should be compact and slightly wider, while the bottom part anchors the character with a solid vertical or sweeping hook, maintaining symmetrical balance.

4. Components

Radical 糸 · Silk Radical (silk, threads, or textiles)

Semantic Clue (形旁): 糸 (indicates silk material and white threads)

Originally depicted threads of raw, unbleached white silk, leading to the meanings of 'plain', 'white', and 'unadorned'.

纟 silk thread

Phonetic Family (形声字家族)

2· Phonetic Root: 素 (sù)

5. History

Liushu category: Phono-semantic (形声)

Origin: Originally represented threads of raw white silk on a loom, extending to mean uncolored, plain, and simple.

Semantic Evolution: From raw white silk -> unadorned/plain -> simple food without meat (vegetarian) -> essence or natural state.

In ancient China, unadorned white silk was worn during periods of mourning or by commoners who could not afford dyed garments.

6. Sinosphere

🇻🇳

Sino-Vietnamese

tố

corresponds to Vietnamese sắc tone

🇯🇵

Kanji (Japanese)

On: ソ (so), ス (su) / Kun: しろ (shiro)

🇰🇷

Hanja (Korean)

소

7. Memory

Vivid Mnemonic Story

Imagine wearing a plain, unadorned robe made of raw WHITE SILK while eating a simple VEGETARIAN meal.

Phonetic Family (形声字家族)

素

sùplain, white, vegetarianbase character for unadorned things

Lookalikes & Traps (形近字)

紧(jǐn)

紧 contains a lower part meaning 'to hold fast/tight', whereas 素 has a base derived from threads.

8. Mastery

Active Recall Challenge

他是一个长期吃[___]的人。

Clue: chī sù

Common Learner Pitfall

Confusing the tone with Tone 1 or Tone 2, failing to apply the sharp downward drop of Tone 4.

Memory Prompts

Recognition: What does 素 mean when describing food or lifestyle?

Production: How do you write the character for 'vegetarian/plain' (sù)?

素sùplain, vegetarian, raw silk

Speed:

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