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bao lâu

Level ≈A2 (approx.) adverb Top 1,000 most common
Hanoi [ʔɓaːw˧˧ ləw˧˧]Huế [ʔɓaːw˧˧ ləw˧˧]Saigon [ʔɓaːw˧˧ ləw˧˧] browser voice
Syllables · tones

Each syllable carries one of six tones; the mark on the vowel tells you which. How the six tones sound →

bao lâu means how long.

Meanings of bao lâu in English

Adverb

  1. how long
    • Anh học tiếng Việt bao lâu rồi?How long have you been learning Vietnamese?

Example sentences with bao lâu

  • Tôi tự hỏi là mất bao lâu. I wonder how long it's going to take.
  • Ngươi đã ở trong tù bao lâu? How long were you in prison?
  • Bạn định sống ở đây bao lâu? How long do you plan to live here?
  • Cơn bão kéo dài trong bao lâu? How long did the typhoon last?
  • Bạn đánh giày bao lâu một lần? How often do you shine your shoes?
  • Bạn định ở lại Brazil bao lâu? How long do you plan to stay in Brazil?
  • Bạn định ở Oxford trong bao lâu? How long are you going to stay in Oxford?
  • Bạn đã ở đây bao lâu? How long did you stay?

Bilingual example sentences from Tatoeba (tatoeba.org, CC BY 2.0 FR).

Usage note: bao lâu

bao lâu means "how long" (a duration).

  • Anh ở Việt Nam bao lâu? — How long are you staying in Vietnam?
  • Đi xe buýt mất bao lâu? — How long does it take by bus?
  • Anh học tiếng Việt bao lâu rồi? — How long have you been learning Vietnamese?

Note the last one: adding rồi means "up to now". Without it, the question is about a total or planned length.

Answers: hai tuần (two weeks), ba tiếng (three hours), khoảng nửa tiếng (about half an hour). Use mất for time taken: Mất mười lăm phút. — It takes fifteen minutes.

Related: lâu = a long time: Lâu quá không gặp! — Long time no see! Đợi lâu chưa? — Have you been waiting long?

✗ Bao nhiêu lâu? → ✓ Bao lâu?

Frequently asked questions

What does bao lâu mean in English?

bao lâu (adverb) means "how long".

How do you pronounce bao lâu?

IPA: Hanoi [ʔɓaːw˧˧ ləw˧˧]; Saigon [ʔɓaːw˧˧ ləw˧˧]. Tones: bao — level tone (ngang), lâu — level tone (ngang).

Meanings, pronunciation and etymology from English Wiktionary (wiktionary.org, via kaikki.org; CC BY-SA 4.0), reviewed and edited; example sentences from Tatoeba (CC BY 2.0 FR). IPA shown for three accents: Hanoi (Northern), Huế (Central) and Saigon (Southern). The Listen button uses your browser's Vietnamese voice, for reference only. Levels are approximate, estimated from word frequency. Spotted a mistake? Let NgonNgu know.