Tiếng Việt · Saying Attested

vì sao

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In real, traceable use. Part of the curated seed collection; community review is coming.

Sense 1

Both English Tiếng Việt

Meaning · English

(adverb) why

Nghĩa · Tiếng Việt

tại sao

Machine-translated — suggest a fix

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 ↗

Both English Tiếng Việt

Meaning · English

(phrase) Used other than figuratively or idiomatically: see vì, sao.

Nghĩa · Tiếng Việt

xem vì, sao

Machine-translated — suggest a fix

Chiến tranh giữa các vì saoStar Wars

Wiktionary example (CC BY-SA 4.0)

What does “vì sao” mean?

(adverb) why

Is “vì sao” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.

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