HanziGuru.逻 · luó
逻
luó[luo2]Tone 2

patrol

HSK 5
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邏
Guru Deep Dive

English · patrol

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Topology:Left-right
Strokes:19
Writing Balance Rule: The left component (纟) should be narrower and slightly elevated, while the right component (罗) takes up the majority of the right side with balanced vertical and horizontal spacing.
Simplification Logic: The traditional form 邏 uses the complex phonetic/semantic frame 雝, which was simplified to 罗 in the modern character 逻.
1. Meaning

patrol, logic (as in 逻辑 luójí)

to walk around keeping watchnetwork or web (in historical or compound terms)
Verb / Bound formFormal / LiteraryBound morpheme#security#movement#law enforcement
Sample Usage
  • 警察在街上巡逻。
    Jǐngchá zài jiē shàng xúnluó.
    The police are patrolling on the street.
  • 这不符合逻辑。
    Zhè bù fúhé luójí.
    This does not conform to logic.
2. Sound
/[lu̯ɔ³⁵]/Tone: 35
逻
luóluo2
++
´(35)
=luó
Initial Consonant
l
Type: Alveolar Lateral
Sounds like: l sound as in 'lamp'
Unaspirated
Airflow Tactile Test: Air flows freely around both sides of tongue.
Tongue & Mouth Position: Tongue tip touches the alveolar ridge just behind the upper front teeth.
Final Rhyme
uo
Vowel Group: -o vowel group
Sounds like: u-oh sound as in 'war'
Mouth Shape Guide: Pronounce as standalone vowel 'waw'.
Common Learner Trap: Keep vowel quality steady across all 4 tone contours.
Tone
T2 (35)
2nd Tone (Mid-Rising)
Tone Pitch & Cadence: Tone 2 starts mid and rises sharply to the top, exactly like asking 'Huh?' or 'Really?' in English.
Sandhi: When followed by another Tone 2 syllable, the tone changes to a half-rising pitch.
👂
Listening trap: Often confused with luō or luó in rapid speech; pay close attention to the rising contour rather than a flat or dipping tone.
👋
Physical Tone Gesture: A rising hand gesture moving upward from chest level to eye level, mirroring an upward-curving ramp or a question mark.
3. Writing

Topology: Left-right · Strokes: 19 strokes

Writing Balance Rule: The left component (纟) should be narrower and slightly elevated, while the right component (罗) takes up the majority of the right side with balanced vertical and horizontal spacing.

Simplification Logic: The traditional form 邏 uses the complex phonetic/semantic frame 雝, which was simplified to 罗 in the modern character 逻.

4. Components

Radical 纟 · Silk Radical (silk thread, cord, connection)

Semantic Clue (形旁): 纟 (Relates to connected strings or continuous movement like a net or patrol path.)

Phonetic Clue (声旁): 罗 (original sound: luó)

Silk threads (纟) woven into a net or connected path (罗) to keep watch and patrol an area.

  • 纟 Silk / thread connection
  • 罗 Net / gauze / phonetic clue luó
5. History
Liushu category: Phono-semantic (形声)

Origin: Combined from the silk/thread radical (纟) indicating a connected path or web, and 罗 (luo) providing the pronunciation, originally referring to catching birds with a net and later extending to patrolling and guarding.

Semantic Evolution: Shifted from the physical act of spreading a net or walking a continuous patrol route to loanwords like 'logic' (逻辑).

  • The character's modern frequency is heavily boosted by its use in transliterated foreign loan words such as 逻辑 (luójí, logic).
6. Sinosphere
🇯🇵
Kanji (Japanese)
On: ラ
🇰🇷
Hanja (Korean)
라
Sound Shift Bridge: The initial 'l' and final 'o' maintain direct correspondence across modern Chinese and Japanese Sino-readings.
7. Memory
Vivid Mnemonic Story

Guards holding silk ropes (纟) make a net-like patrol (罗) around the perimeter to catch intruders.

Phonetic Family (形声字家族)
罗
luónet / gauzeBase phonetic component without the silk radical prefix.
萝
luóradish / vineUses the grass radical (艹) instead of silk (纟).
Lookalikes & Traps (形近字)
锣(luó)
Uses the metal radical (钅) because a gong (锣) is made of metal, whereas 逻 uses silk (纟).
8. Mastery
Active Recall Challenge
保安人员正在小区里巡[___]。
Clue: xún luó
Common Learner Pitfall

Confusing the left radical 纟 with other similar radicals like 氵 (water) or writing the complex right-hand side with incorrect stroke order.

Memory Prompts
Recognition: When you see 逻 with the silk radical and 罗 phonetic, what is its rising tone reading and primary meaning?
Production: How do you write the character for 'patrol' (luó) combining the silk radical and 罗?
Real-World Video Context

Watch authentic native speakers pronounce and explain this word in real-world YouTube videos.

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