Writing Balance Rule: The left radical (讠) takes up about one-third of the width, leaving two-thirds for the right component (午). Keep the right side balanced and centered vertically.
Simplification Logic: The left side uses the standard simplified speech radical 讠 (from 言).
1. Meaning
to allow or permit
to promiseto praisesomewhatperhapssurname Xu
VerbNeutral#speech#permission#action
Sample Usage
这里不许停车。
zhèlǐ bù xǔ tíngchē.
Parking is not allowed here.
也许他今天会来。
yěxǔ tā jīntiān huì lái.
Perhaps he will come today.
2. Sound
/[ɕy³⁵]/Tone: 35
许
xǔxu3
|
++
ˇ(214)
=xǔ
Initial Consonant
x
Type: Alveolo-Palatal Fricative
Sounds like: sh sound pronounced with the tongue blade near the alveolar ridge and teeth together
Unaspirated
Airflow Tactile Test: Hissing friction with lips stretched wide in a smile.
Tongue & Mouth Position: Blade of tongue close to the hard palate, teeth nearly touching, air slides smoothly.
Final Rhyme
u
Vowel Group: -v vowel group
Sounds like: French 'u' or German 'ü' sound
Note: Written as 'u', pronounced as rounded 'ü' [y].
Mouth Shape Guide: Pronounce as standalone vowel 'ü'.
Common Learner Trap: Keep vowel quality steady across all 4 tone contours.
Tone
T3 (214)
2 → 1 → 4 (214)
3rd Tone (Low-Dipping)
Tone Pitch & Cadence: Tone 2 rises from mid to high pitch, identical to an upward questioning inflection in English.
Sandhi: When followed by another 3rd tone syllable, xǔ changes to a 2nd tone.
👂
Listening trap: Often confused with xiǔ or xù if the tone contour or vowel rounding is rushed.
👋
Physical Tone Gesture: A rising gesture upward like asking a question: 'Really?'
3. Writing
Topology: Left-right · Strokes: 6 strokes
Writing Balance Rule: The left radical (讠) takes up about one-third of the width, leaving two-thirds for the right component (午). Keep the right side balanced and centered vertically.
Simplification Logic: The left side uses the standard simplified speech radical 讠 (from 言).
Words (讠) spoken at noon (午) are a promise you must keep, or permission you grant.
讠 Speech / Words
午 Noon / Phonetic clue
Phonetic Family (形声字家族)
7· Phonetic Root: 午 (wǔ)
5. History
Liushu category: Phono-semantic (形声)
Origin: Combined from the speech radical (讠) to convey verbal agreements/promises, and 午 as the phonetic sound component.
Semantic Evolution: Shifted from the physical act of giving a verbal assent to general permission, promising, and even adverbial uncertainty like 'perhaps'.
Frequently used in ancient texts to mean 'to consent' or 'to betroth'.
6. Sinosphere
🇻🇳
Sino-Vietnamese
hứa
Corresponds to the sắc/hỏi tone family in Vietnamese.
🇯🇵
Kanji (Japanese)
On: キョ (kyo) / Kun: ゆる.す (yuru.su)
🇰🇷
Hanja (Korean)
허
Sound Shift Bridge: Shared ancient root words in East Asian linguistic sphere translating to permission or promise.
7. Memory
Vivid Mnemonic Story
When you give your **speech** (讠) right at **noon** (午), you **promise** and **allow** your friend to go ahead.
Phonetic Family (形声字家族)
许
xǔto allow / promiseBase character with speech radical.
杵
chǔpestleReplaces speech radical with wood/tree radical (木).
忤
wǔdisobedientReplaces speech radical with heart radical (忄).
Lookalikes & Traps (形近字)
午(wǔ)
午 means noon and lacks the speech radical on the left.
特(tè)
特 has a cow radical (牜) on the left instead of a speech radical.
8. Mastery
Active Recall Challenge
这里不___吸烟。
Clue: xǔ
Common Learner Pitfall
Confusing the right side component 午 with 干 or mixing up the tone with 1st or 4th tone.
Memory Prompts
Recognition: What does 许 mean when you see it combined in 也许 (yěxǔ - perhaps)?
Production: How do you write the character for 'to allow / promise' using speech and noon?
Real-World Video Context
Watch authentic native speakers pronounce and explain this word in real-world YouTube videos.
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许xǔto allow, to permit, to promise
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