ai
[ʔaːj˧˧]
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Where it’s used:
Used
Toàn quốc & hải ngoại · Vietnam-wide & diaspora
Examples
Ai hỏi?Who asked?
Ai (mà) biết.Who knows? / How should I know?
Wiktionary example (CC BY-SA 4.0)
Sources & notes
Imported from Wiktionary (CC BY-SA 4.0, retrieved 2026-07-29); community review pending. source ↗
Sense 2
Meaning · English
(pronoun) whoever, anyone
Examples
Ai cũng được.Anyone is fine.
Wiktionary example (CC BY-SA 4.0)
Sense 3
Meaning · English
(pronoun) someone, someone else
Common questions
What does “ai” mean?
(pronoun) who
Is “ai” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.