không biết
/kəwŋ˧˧ biət˧˥/phrase★Beginner
informal
To not know or be unaware of something
Tôi không biết câu trả lời.
I don't know the answer.
Anh không biết địa chỉ của cô ấy.
He doesn't know her address.
💡
This phrase is commonly used in everyday conversations to express a lack of knowledge about something.
Collocations
không biết gìdon't know anythingkhông biết đâuI don't knowkhông biết chắcnot sure
Synonyms
Antonyms
Related Phrases
không biết gì cảphrase
to know nothing at all
không biết đâuphrase
I don't know
💡Pro Tip
Polite Usage
In formal settings, you can use 'tôi không biết' to sound more polite.
⚡Gold Rule
Common Phrase
'Không biết' is one of the most frequently used phrases in Vietnamese to express uncertainty.
📖Word Origin
Combination of 'không' (not) and 'biết' (to know)
📝Usage Notes
This phrase is used to politely express uncertainty or lack of knowledge in both formal and informal contexts.
Word Breakdown
không
not
prefixbiết
to know
rootTừ Điển Việt Anh