phải biết

Level ≈B1 (approx.) adverb Top 3,000 most common

Hanoi [faːj˧˩ ʔɓiət̚˧˦]Huế [faːj˧˨ ʔɓiək̚˦˧˥]Saigon [faːj˨˩˦ ʔɓiək̚˦˥] browser voice

Syllables · tones

phảidippinghỏi biếtrisingsắc

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

Meanings of phải biết in English

Adverb

colloquial Used to emphasize a fact with an extent that the other speaker(s) can be hard to believe: indeed
- Phim hay phải biếtThe film was top-notch, indeed!

Example sentences with phải biết

Bạn phải biết rất rõ về chúng. You must know them pretty well.
Con trai phải biết nghe lời cha. A son must obey his father.
Chúng ta cần phải biết. Chúng ta sẽ biết. We have to know. We will know.
Chúng tôi cần phải biết. Chúng tôi sẽ biết. We have to know. We will know.
Bạn phải biết là việc đó thỉnh thoảng vẫn xảy ra. You have to expect that to happen once in a while.
Bạn phải biết chịu đựng những khó khăn trong cuộc sống. You have to endure a lot of hardships in life.
Bạn phải biết là lâu lâu nó sẽ xảy ra một lần. You have to expect that to happen once in a while.
Nếu muốn chứng minh điều gì thì trước hết phải biết là nó đúng đã. When you're trying to prove something, it helps to know it's true.

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

Etymology

phải (“truly”) + biết (“acknowledge”).

Frequently asked questions

How do you pronounce phải biết?

IPA: Hanoi [faːj˧˩ ʔɓiət̚˧˦]; Saigon [faːj˨˩˦ ʔɓiək̚˦˥]. Tones: phải — dipping tone (hỏi), biết — rising tone (sắc).

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.