Correct option is C
  
 ✔️ Correct option: (c) 
  Laugh quietly without opening one's mouth 
  
  
  Word: 
  Chuckle 
  
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  Meaning: To laugh quietly or inwardly, often without showing teeth or opening the mouth widely
  
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  Hindi meaning: मंद मुस्कान के साथ हँसना, हल्की आवाज़ में हँसना
  
  
  Example: "He chuckled at the funny memory without making much noise."
  
  
  Meanings of all the options: 
  
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  (a) Laugh loudly – laughing in a high volume.
  
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  Hindi meaning: ज़ोर से हँसना ❌
  
 · · 
  (b) Laugh in a noisy, gleeful way – more like a giggle or guffaw.
  
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  Hindi meaning: खुश होकर तेज़ आवाज़ में हँसना ❌
  
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  (c) Laugh quietly without opening one's mouth – correct description of “chuckle”.
  
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  Hindi meaning: हल्के स्वर में मुँह बंद करके हँसना ✅
  
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  (d) Cry like a donkey – irrelevant to the meaning.
  
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  Hindi meaning: गधे की तरह रोना ❌
  
  
