Tone mark placement: Tone mark sits on "i" per main-vowel priority (a > e > o; in -iu/-ui the mark takes the second vowel).
Initial Consonant
q
Type: Aspirated Alveolo-Palatal
Sounds like: ch sound produced further forward near the teeth with a blade-palatal contact
Aspirated
Airflow Tactile Test: Extremely strong burst of breath! Tissue held before mouth MUST fly.
Tongue & Mouth Position: Blade of tongue approaches the hard palate behind lower teeth, releasing a burst of air.
Final Rhyme
i
Vowel Group: -i vowel group
Sounds like: ee sound as in 'see'
Mouth Shape Guide: Pronounce as standalone vowel 'ee'.
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 is a sharp, authoritative drop, identical to saying 'No!' or 'Stop!' in English.
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Listening trap: Do not confuse 'qì' with 'jì' (unaspirated). Ensure a strong puff of air escapes when pronouncing 'q'.
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Physical Tone Gesture: Tone 4 starts high and drops sharply to the bottom, mirroring a firm chop of the hand downward or a decisive nod of agreement.
3. Writing
Topology: Top-bottom · Strokes: 4 strokes
Writing Balance Rule: Keep the top element compact and let the bottom element spread out horizontally to anchor the character.
4. Components
Radical大 · Big Radical (big, person)
The character combines components representing a blade carving notches into a large wooden tally stick to form an agreement.
丰 shaped top element representing a notched tally
大 large base supporting the structure
Phonetic Family (形声字家族)
4· Phonetic Root: 契 (qì)
5. History
Liushu category: Phono-semantic (形声)
Origin: Originally depicted a knife carving notches into a piece of wood or bamboo used as an ancient tally or contract before paper existed.
Semantic Evolution: From the physical act of carving notches for record-keeping and contracts, it evolved to mean written contracts, deeds, and abstract agreements.
Ancient Chinese used split tally sticks (契) where each party kept one half to verify agreements.
6. Sinosphere
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Sino-Vietnamese
khế
The rising tone in Vietnamese corresponds to historical checked tones in Middle Chinese.
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Kanji (Japanese)
On: ケツ (ketsu), ケ (ke) / Kun: きう (kiu)
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Hanja (Korean)
계
7. Memory
Vivid Mnemonic Story
To make a big (大) agreement official, you carve notches with a sharp knife, sealing the contract (契).
Phonetic Family (形声字家族)
楔
xiēwedge; to hammer in (variant of 揳[xie1])+ 木 (tree)