Writing Balance Rule: The left component (子) should be compressed slightly to make room for the right component (瓜), keeping the overall square frame balanced and preventing it from leaning too far to the right.
1. Meaning
lone, lonely
orphansolitaryisolated
Adjective / NounNeutral#emotions#social relations#states of being
Sample Usage
他一个人在国外，感觉很孤独。
tā yí gè rén zài guó wài, gǎnjué hěn gūdú.
He is alone abroad and feels very lonely.
孤儿需要社会的关爱。
gū ér xūyào shèhuì de guān'ài.
Orphans need care and love from society.
2. Sound
/[ku⁵⁵]/Tone: 55
孤
gūgu1
|
++
¯(55)
=gū
Initial Consonant
g
Type: Unaspirated Velar
Sounds like: g as in 'get'
Unaspirated
Airflow Tactile Test: No burst of air (sounds like 'c' in Vietnamese 'cá' or 'k' in English 'skate').
Tongue & Mouth Position: Back of the tongue raises to touch the soft palate.
Final Rhyme
u
Vowel Group: -u vowel group
Sounds like: -oo rhymes with goo
Mouth Shape Guide: Pronounce as standalone vowel 'oo'.
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 is a high, steady pitch, like a sustained musical note at the top of your speaking range.
Sandhi: No special tone sandhi rules apply to this character individually.
👂
Listening trap: Beginners sometimes confuse Tone 1 (high level 55) with Tone 2 (rising 35) if spoken with emotional inflection. Keep it completely flat.
👋
Physical Tone Gesture: Imagine a flat, high-pitched musical note held steady at the top of your vocal range. Your hand makes a flat, horizontal motion in the air.
3. Writing
Topology: Left-right · Strokes: 8 strokes
Writing Balance Rule: The left component (子) should be compressed slightly to make room for the right component (瓜), keeping the overall square frame balanced and preventing it from leaning too far to the right.
4. Components
Radical子 · Child Radical (child, seed, offspring)
Semantic Clue (形旁):子 (Indicates a person, specifically a child)
Phonetic Clue (声旁):瓜 (original sound: guā)
A child (子) standing all alone like a single melon (瓜) on a vine.
子 child / person
瓜 melon / phonetic clue
Phonetic Family (形声字家族)
7· Phonetic Root: 瓜 (guā)
5. History
Liushu category: Phono-semantic (形声)
Origin: Originally combined the child radical (子) with a phonetic element (瓜). The character depicts a vulnerable child left without parents.
Semantic Evolution: Shifted from the literal sense of a parentless child (orphan) to a broader meaning of being alone, isolated, or lonely in any context.
In ancient times, a child without a father was referred to specifically with this term.
6. Sinosphere
🇻🇳
Sino-Vietnamese
cô
Mandarin high level tone (55) corresponds to the Vietnamese ngang tone (level tone).
🇯🇵
Kanji (Japanese)
On: コ
🇰🇷
Hanja (Korean)
고
Sound Shift Bridge: The Middle Chinese initial 'k-' matches the modern Mandarin 'g-' and Sino-Vietnamese 'c-' initial.
7. Memory
Vivid Mnemonic Story
A little child (子) eating a giant melon (瓜) all by himself in an empty room, feeling completely lonely and isolated.
Phonetic Family (形声字家族)
孤
gūlonely, loneBase character with child and melon.
狐
húfoxReplaces child with dog radical (犭) for an animal.
弧
húarc, bowReplaces child with flesh/moon radical (月) for a curved shape.
Lookalikes & Traps (形近字)
狐(hú)
狐 has the dog radical (犭) on the left because it means 'fox', whereas 孤 has the child radical (子) because it means 'lonely child'.
8. Mastery
Active Recall Challenge
他一个人在异国他乡，觉得非常[___]。
Clue: gū dú
Common Learner Pitfall
Confusing the left component 子 (child) with 女 (female) or confusing the phonetic part with 瓜 variants.
Memory Prompts
Recognition: When you see 孤, what does it mean and how is it pronounced?
Production: How do you write the character for 'lone/lonely' (gū) using the child and melon components?
Real-World Video Context
Watch authentic native speakers pronounce and explain this word in real-world YouTube videos.
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孤gūlone, lonely
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