biết đâu
[ʔɓiət̚˧˦ ʔɗəw˧˧]
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
(adverb) Used to indicate a possibility without a decisive confirmation; maybe; perhaps
Adverb
Where it’s used:
Used
Toàn quốc & hải ngoại · Vietnam-wide & diaspora
Sources & notes
Imported from Wiktionary (CC BY-SA 4.0, retrieved 2026-07-29); community review pending. source ↗
Common questions
What does “biết đâu” mean?
(adverb) Used to indicate a possibility without a decisive confirmation; maybe; perhaps
Is “biết đâu” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.