khi và chỉ khi
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
when and only when
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 ↗
Sense 2
Meaning · English
if and only if
Common questions
What does “khi và chỉ khi” mean?
when and only when
Is “khi và chỉ khi” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.