Vietnamese

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Etymology

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cái (something) +‎ (what; whatever).

Pronunciation

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Pronoun

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cái

  1. something
    ai, cái gì, con gìthe who, the what thing, the what animal

Usage notes

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Cái gì is an example of using the pronoun with a classifier, cái being the most generic classifier, which can be used for emphasis. Other combinations including con and quả.

Interjection

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cái

  1. what?
  2. what the heck!