HanziGuru.锈 · xiù
锈
xiù[xiu4]Tone 4

to rust

HSK 7
Multiple Readings (多音字):
Guru Deep Dive

English · to rust

Cached lesson
1 / 1
Topology:Left-right
Strokes:12
Writing Balance Rule: The metal radical on the left (钅) must be compressed slightly to make room for the complex phonetic component on the right (琇), keeping overall horizontal balance.
Simplification Logic: The traditional form 鏽 uses 釒 for metal and 秀 for the right side. In simplified Chinese, 釒 becomes 钅, and 秀 remains unchanged.

to rust, to corrode

rust (noun)metal oxidation
verb / nounNeutral#materials#chemistry#decay
Sample Usage
  • 铁生锈了。
    tiě shēng xiù le.
    The iron has rusted.
  • 一把生锈的钥匙
    yī bǎ shēng xiù de yào shi
    A rusted key
/[ɕi̯u⁵¹]/Tone: 51
锈
xiùxiu4
++
`(51)
=xiù
Build the syllable
Step-by-step blending
xiu
Tone mark placement: Tone mark sits on "u" per the side-by-side rule (in -iu/-ui the mark takes the second vowel).
Initial Consonant
x
Type: Alveolo-Palatal Fricative
Sounds like: sh sound pronounced with the tongue tip behind lower front teeth
Unaspirated
Airflow Tactile Test: Hissing friction with lips stretched wide in a smile.
Tongue & Mouth Position: Front of the tongue is raised toward the hard palate, air escapes frictionally.
Final Rhyme
iu
Vowel Group: -i vowel group
Sounds like: -iou rhymes with 'ee-oh'
Mouth Shape Guide: Pronounce as standalone vowel 'yo'.
Common Learner Trap: Keep vowel quality steady across all 4 tone contours.
Abbreviated Rhyme Rule: iu is short for iou, where the middle 'o' is retained in pronunciation.
Tone
T4 (51)
4th Tone (High-Falling)
Tone Pitch & Cadence: Tone 4 starts high and plunges straight down, exactly like shouting a sharp 'No!' or giving an abrupt command.
👂
Listening trap: Confusing the alveolo-palatal 'xi' with the retroflex 'shi', or missing the sharp downward drop of Tone 4.
👋
Physical Tone Gesture: A sharp downward chop with your hand, mirroring a stern head nod from high to low, representing Tone 4.

Topology: Left-right · Strokes: 12 strokes

Writing Balance Rule: The metal radical on the left (钅) must be compressed slightly to make room for the complex phonetic component on the right (琇), keeping overall horizontal balance.

Simplification Logic: The traditional form 鏽 uses 釒 for metal and 秀 for the right side. In simplified Chinese, 釒 becomes 钅, and 秀 remains unchanged.

Radical 钅 · metal radical (metal, gold, mineral)

Semantic Clue (形旁): 钅 (indicates that rusting relates to metal materials)

Phonetic Clue (声旁): 秀 (original sound: xiù)

The metal radical (钅) combines with the phonetic component 'grain head / beautiful' (秀) to form the concept of metal degrading and turning reddish-brown.

  • 钅 metal semantic element
  • 秀 xiù phonetic sound clue
Liushu category: Phono-semantic (形声)

Origin: Combined from the metal classifier (金/钅) representing metallic substances and 秀 (xiù) providing the pronunciation, denoting the corrosion of metal over time.

Semantic Evolution: Originally referred to the corrosion or weathering of iron and bronze objects, maintaining this precise definition into modern times.

  • In ancient metallurgy, bronze and iron weapons frequently developed colored patinas or destructive rust if left unmaintained.
🇯🇵
Kanji (Japanese)
On: シュウ / Kun: さび.る
🇰🇷
Hanja (Korean)
수
Vivid Mnemonic Story

A shiny piece of **METAL** (钅) left out in the rain loses its beauty (**秀** xiù), turning completely orange and **RUSTED** (xiù).

Phonetic Family (形声字家族)
秀
xiùrefined; elegant; graceful; beautiful; showPhonetic Core (声旁)
透
tòupenetrate; thoroughly+ 辶 (walking)
绣
xiùvariant of 繡|绣[xiu4]+ 纟 (silk)
莠
yǒuSetaria viridis; vicious+ 艹 (plants)
Lookalikes & Traps (形近字)
秀(xiù)
秀 means talented or beautiful; add the metal radical (钅) to make it rust (锈).
Active Recall Challenge
这把老锁生___了,打不开了。
Clue: xiù
Common Learner Pitfall

Mistaking the phonetic right component 秀 for an independent meaning when writing, or forgetting to include the metal radical 钅 on the left.

Memory Prompts
Recognition: What does 锈 mean and how is it pronounced with tone?
Production: How do you write the character for 'to rust' using the metal radical and the phonetic part 秀?

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锈xiùto rust
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