Tiếng Việt · Word Attested

trước khi

[t͡ɕɨək̚˧˦ xi˧˧] 🎙 Say it

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

Both English Tiếng Việt

Meaning · English

(preposition) before (earlier than in time), prior to

Nghĩa · Tiếng Việt

trước thời điểm

Machine-translated — suggest a fix

Preposition

Where it’s used: Used Toàn quốc & hải ngoại · Vietnam-wide & diaspora

Trước khi ngủ phải chà răng nghe chưa.You ought to brush your teeth before going to bed.

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 ↗

Common questions

What does “trước khi” mean?

(preposition) before (earlier than in time), prior to

Is “trước khi” formal or informal?

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

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