咦 (yí) — (interjection) expresses surprise, curiosity, or sudden realization

Definition

A light, colloquial interjection (like "Huh?" or "Oh?") used to show surprise, mild curiosity, or a sudden realization. Always written as 咦, not pronounced like the question particle 吗.

interjection
expresses surprisecuriosityor sudden realization
Easily confused

Examples

  • 咦，？
    yí, Nǐ zěn me hái méi zǒu?
    Oh? You haven't left yet?
  • 咦，？
    yí, Zhè lǐ zěn me yǒu yì fēng xìn?
    Huh? How come there's a letter here?
  • 咦，？
    yí, Wài miàn xià yǔ le?
    What? It's raining outside?

Origin

Sound + meaning
六书liùshū
形声xíngshēng

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

Meaning part形符xíngfú
口口kǒu
Sound part声符shēngfú
夷
夷yí咦yí
Same sound today

咦 combines 口, the mouth, with 夷, which gives the sound.

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