哎
āi · HSK 7
of surprise
😤 Sounds like a loud sigh — AI-yah, not again!
Think of that exasperated exhale you make when something goes wrong. The sound āi mimics a natural groan of displeasure or surprise, like sighing AI when caught off guard.
哎 — mouth radical 口 + 矣 (yǐ, phonetic)
哎 is a phono-semantic compound. The mouth radical 口 signals it's a vocal sound, while 矣 supplies the pronunciation. It's a modern interjection used to express surprise, mild dismay, or to call attention, much like English 'oh' or 'hey'.