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UK//ðeɪ doʊnt noʊ huː ɔr wɒt//US//ðeɪ doʊnt noʊ huː ɔr wɑt//

Meaning of They don't know who or what

A phrase indicating uncertainty about the identity or nature of someone or something.

In simple words: A phrase used to express uncertainty about a person or thing.

They don't know who or what in a sentence

  • They don't know who or what will show up at the party.
  • In the meeting, they expressed that they don't know who or what is behind the project.
  • When asked, they admitted they don't know who or what can solve this problem.
  • It's clear they don't know who or what is causing the disturbance.
  • They stared at the mysterious box, unsure of who or what was inside.

How to use They don't know who or what

Used to convey that there is a lack of information about identity or nature. Common in both spoken and written English.

Grammar pattern

standalone phrase

Memory hint

Think of a foggy mist hiding people and things: 'Who' are they and 'What' are they?

Related words

Collocations with They don't know who or what

Synonyms for They don't know who or what

Common mistakes with They don't know who or what

  • Confusing with 'They don't know who' or 'They don't know what', which omit one part of the phrase.
  • Misunderstanding the context, thinking it implies they know something.
  • Omitting 'who' or 'what' entirely in casual conversation.

They don't know who or what appears in

They don't know who or what in other languages

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Frequently asked questions about They don't know who or what

What does They don't know who or what mean?

A phrase used to express uncertainty about a person or thing.

What is the definition of They don't know who or what?

A phrase indicating uncertainty about the identity or nature of someone or something.

How do you use They don't know who or what in a sentence?

They don't know who or what will show up at the party.

Can you give another example of They don't know who or what?

In the meeting, they expressed that they don't know who or what is behind the project.

What are synonyms for They don't know who or what?

Common alternatives include uncertain, unknown, unsure.

What words go with They don't know who or what?

It commonly pairs with know who, know what, don't know.

What are common mistakes when using They don't know who or what?

Confusing with 'They don't know who' or 'They don't know what', which omit one part of the phrase. Misunderstanding the context, thinking it implies they know something. Omitting 'who' or 'what' entirely in casual conversation.

How do you pronounce They don't know who or what?

US: //ðeɪ doʊnt noʊ huː ɔr wɑt//, UK: //ðeɪ doʊnt noʊ huː ɔr wɒt//. Listen to the audio above to hear native pronunciation.

When should I use They don't know who or what?

Used to convey that there is a lack of information about identity or nature. Common in both spoken and written English.