Writing Balance Rule: Keep the left mouth radical (口) compact and positioned in the upper-left quadrant, while the right phonetic part (黑) is wider, denser, and balanced below to avoid leaning.
1. Meaning
hey (interjection used to call attention or greet)
expressing surpriseexpressing dissatisfaction or warning
Tone mark placement: Tone mark sits on "e" per main-vowel priority (a > e > o; in -iu/-ui the mark takes the second vowel).
Initial Consonant
h
Type: Velar Fricative
Sounds like: h (soft throat sound like English h, but slightly deeper)
Unaspirated
Airflow Tactile Test: Gentle throat friction (like fogging glasses on a cold day).
Tongue & Mouth Position: Tongue body is low and retracted toward the soft palate to create friction.
Final Rhyme
ei
Vowel Group: -e vowel group
Sounds like: -ei rhymes with 'ay' in say
Mouth Shape Guide: Pronounce as standalone vowel 'ay'.
Common Learner Trap: Keep vowel quality steady across all 4 tone contours.
Tone
T1 (55)
5 → 5 (55)
1st Tone (High-Flat)
Tone Pitch & Cadence: Tone 1 stays flat and high at the top of your vocal range, mirroring a single musical note sustained at peak pitch.
👂
Listening trap: Confusing it with the English word 'hey' is rare since it is a direct phonetic loan/equivalent, but learners might accidentally drop it into a falling tone when sounding impatient.
👋
Physical Tone Gesture: Tone 1 is a high, steady pitch held level across the voice, like singing a sustained high note or calling out 'Hey!' flatly without rising or falling.
3. Writing
Topology: Left-right · Strokes: 16 strokes
Writing Balance Rule: Keep the left mouth radical (口) compact and positioned in the upper-left quadrant, while the right phonetic part (黑) is wider, denser, and balanced below to avoid leaning.
4. Components
Radical口 · Mouth Radical (Mouth, speaking, shouting, or vocal sounds)
Semantic Clue (形旁):口 (Indicates that the character represents a vocal sound, speech, or interjection.)
Phonetic Clue (声旁):黑 (original sound: hēi)
A mouth (口) uttering a dark, sudden exclamation of surprise or greeting (黑).
口 Mouth / sound indicator
黑 Provides the phonetic sound 'hēi'
Phonetic Family (形声字家族)
4· Phonetic Root: 黑 (hēi)
5. History
Liushu category: Phono-semantic (形声)
Origin: Combined from the mouth radical (口) to show speech or sound, and the character for black (黑) which provides the phonetic reading.
Semantic Evolution: Originally created as a phonetic loan character (fangyan/onomatopoeia) to represent vocal calls, greetings, and exclamations.
Used extensively in modern colloquial Chinese for casual greetings and catching attention.
6. Sinosphere
Sound Shift Bridge: As an onomatopoeic interjection, 嘿 (hēi) mirrors natural human vocalizations ('hey') across many languages.
7. Memory
Vivid Mnemonic Story
You open your MOUTH (口) in the pitch BLACK (黑) of night and shout 'HĒI!' to see if anyone is there.