Writing Balance Rule: The left component (奴) and the right component (力) must be balanced evenly, with the left slightly narrower to accommodate the sweeping strokes of the right side.
Airflow Tactile Test: Air passes completely through nose.
Tongue & Mouth Position: Tip of the tongue touches the alveolar ridge behind the upper front teeth while air passes through the nasal cavity.
Final Rhyme
u
Vowel Group: -u vowel group
Sounds like: oo sound as in 'boot'
Mouth Shape Guide: Pronounce as standalone vowel 'oo'.
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 starts at a mid-pitch and rises sharply to the top, exactly like saying 'What?' in English when asking for repetition.
Sandhi: When followed by another 3rd tone, nǔ changes to a 2nd tone, but in standard disyllabic combinations like nǔlì, it takes the full rising 35 tone.
👂
Listening trap: Do not confuse with the 4th tone nù (anger), which drops sharply. This is a rising tone expressing a question or encouragement.
👋
Physical Tone Gesture: Make a sweeping upward gesture with your hand from left to right, rising diagonally like a question mark.
3. Writing
Topology: Left-right · Strokes: 7 strokes
Writing Balance Rule: The left component (奴) and the right component (力) must be balanced evenly, with the left slightly narrower to accommodate the sweeping strokes of the right side.
4. Components
Radical力 · Power Radical (strength, power, physical effort)
Semantic Clue (形旁):力 (indicates physical strength and exertion)
Phonetic Clue (声旁):奴 (original sound: nú)
The character combines 奴 (slave/servant) on the left with 力 (strength) on the right. A servant must exert all their physical power to get heavy work done.
奴 servant or slave providing the phonetic and visual hint
力 strength or muscle representing physical effort
Phonetic Family (形声字家族)
9· Phonetic Root: 奴 (nú)
5. History
Liushu category: Phono-semantic (形声)
Origin: Originally formed by combining the phonetic element 奴 (nú) with the signific 力 (lì, strength), emphasizing the straining of physical power.
Semantic Evolution: From the original sense of physical strain and exertion by laborers, it broadened into general mental and physical striving or hard work (as in 努力).
The component 奴 originally depicted a person kneeling with hands restrained, representing servitude, which naturally associated with heavy labor and striving.
6. Sinosphere
🇯🇵
Kanji (Japanese)
On: ド (do) / ヌ (nu) / Kun: つと.める (tsutomeru)
🇰🇷
Hanja (Korean)
노
Sound Shift Bridge: The initial 'n' and final 'u' match very closely with Sino-Xenic roots across East Asian languages.
7. Memory
Vivid Mnemonic Story
Imagine a hard-working servant (奴) putting every ounce of muscle and physical power (力) into pushing a giant boulder uphill, always striving (努) to succeed.
Phonetic Family (形声字家族)
奴
núslave, servantUses the woman component (女) instead of power (力).
怒
nùanger, rageReplaces the right-side power (力) with the heart (心) component at the bottom, meaning anger rises from within the heart.
Lookalikes & Traps (形近字)
怒(nù)
努 has 力 (strength) on the right for striving; 怒 has 心 (heart) at the bottom for anger.
8. Mastery
Active Recall Challenge
我们必须[___]学习，才能考上好大学。
Clue: nǔ lì
Common Learner Pitfall
Confusing 努 (nǔ - strive) with 怒 (nù - angry) because they share the same phonetic base 奴.
Memory Prompts
Recognition: When you see the character 努 with the power radical on the right, what core concept of physical or mental exertion does it represent?
Production: How do you write the character for 'striving/exerting' (nǔ), which pairs a servant 奴 with physical strength 力?
Real-World Video Context
Watch authentic native speakers pronounce and explain this word in real-world YouTube videos.
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努nǔto exert, to strive
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