Writing Balance Rule: The top grass radical (艹) should spread evenly across the top, while the bottom phonetic component (雷) must be compressed slightly to maintain stable vertical proportions.
1. Meaning
flower bud; unopened blossom
nascent, budding (metaphorically for things just starting to develop)
NounNeutralBound morpheme#plants#nature#botany
Sample Usage
花蕾
huālěi
flower bud
含苞待放
hánbāo dàifàng
budding and about to bloom (idiom)
2. Sound
/[leɪ̯²¹⁴]/Tone: 214
蕾
lěilei3
|
++
ˇ(214)
=lěi
Build the syllable
Step-by-step blending
lei
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
l
Type: Alveolar Lateral
Sounds like: l sound as in 'love'
Unaspirated
Airflow Tactile Test: Air flows freely around both sides of tongue.
Tongue & Mouth Position: Tongue tip touches the alveolar ridge behind the upper front teeth, letting air flow around the sides.
Final Rhyme
ei
Vowel Group: -e vowel group
Sounds like: rhymes with 'ay' in 'day'
Mouth Shape Guide: Pronounce as standalone vowel 'ay'.
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 3 dips low in pitch and rises back up, similar to how an English speaker says 'Really?' in disbelief.
Sandhi: When followed by another Tone 3 syllable, changes to a Tone 2 (35) rising contour.
👂
Listening trap: Confusing the Tone 3 dip with Tone 4, or mishearing the final '-ei' as '-ai'.
👋
Physical Tone Gesture: Trace a checkmark in the air: dip down sharply from mid-height, then sweep upward high.
3. Writing
Topology: Top-bottom · Strokes: 16 strokes
Writing Balance Rule: The top grass radical (艹) should spread evenly across the top, while the bottom phonetic component (雷) must be compressed slightly to maintain stable vertical proportions.
Semantic Clue (形旁):艹 (Indicates that the word relates to plants and flowers.)
Phonetic Clue (声旁):雷 (original sound: léi)
A plant (艹) that rumbles or grows with the energy of thunder/lightning (雷), bursting open as a flower bud.
艹 Grass/flower semantic classifier
雷 Thunder phonetic component
Phonetic Family (形声字家族)
4· Phonetic Root: 雷 (léi)
5. History
Liushu category: Phono-semantic (形声)
Origin: Combined the grass radical (艹) to indicate plants with the phonetic element 雷 (léi, thunder), which hints at both the sound and the explosive growth of a blossoming bud.
Semantic Evolution: Originally referred specifically to flower buds; extended metaphorically to describe things in their earliest, most promising stage of development.
The phonetic component 雷 originally depicted rolling thunder and lightning overhead.
6. Sinosphere
🇻🇳
Sino-Vietnamese
lôi
Mandarin Tone 3 corresponds roughly to a Vietnamese hỏi or ngã tone depending on historical evolution.
🇯🇵
Kanji (Japanese)
On: ライ
🇰🇷
Hanja (Korean)
뇌
Sound Shift Bridge: The phonetic root 雷 provides a predictable bridge to Sino-Xenic readings like Japanese 'rai' and Vietnamese 'lôi'.
7. Memory
Vivid Mnemonic Story
In the garden, tiny GREEN GRASS shoots (艹) hear a crack of THUNDER (雷) in the sky, and instantly pop open into fresh flower BUDS (蕾).
Phonetic Family (形声字家族)
雷
léithunderPhonetic Core (声旁)
擂
léito pound (with a mortar and pestle); to hit (a person); to beat (a drum); to bang on (a door); (dialect) to scold+ 扌 (hand)