I don't know anything about that vs I have no idea

Quando usar cada um em inglês, com significado, registro e exemplos.

I don't know anything about that

Top 2000 (comum)

I have no idea

InformalTop 2000 (comum)
Mais formal: I don't know anything about that
 I don't know anything about thatI have no idea
Pronúncia🇬🇧 //aɪ dəʊnt nəʊ ˈɛniθɪŋ əˈbaʊt ðat//🇺🇸 //aɪ doʊnt noʊ ˈɛniθɪŋ əˈbaʊt ðæt//🇬🇧 //aɪ hæv nəʊ ɪˈdɪə//🇺🇸 //aɪ hæv noʊ ɪˈdiə//
SignificadoI have no information about that.I don't know anything about it.
ExemploWhen asked about the event, I replied, 'I don't know anything about that.'Where's the nearest coffee shop? I have no idea.
RegistroNeutroInformal
Quão comumTop 2000 (comum)Top 2000 (comum)
Colocaçõesask about something, know nothing, have no idea, discuss a topic, provide informationhave no idea about, have no idea where, have no idea how
Antônimos-I know exactly, I am sure, I have a clear understanding
Erros comunsSaying 'I don't know nothing' instead of 'I don't know anything'., Confusing this phrase with 'I know nothing about that'., Using a different subject like 'he' instead of 'I' inappropriately.Saying it too formally in a business meeting., Using it when a little knowledge is required., Translating it directly into another language without context.
Notas de usoUse this phrase to express uncertainty or lack of knowledge. It's suitable in casual and formal contexts, but avoid it in professional settings when a more specific response is needed.Use this phrase in casual conversations to express lack of knowledge. Avoid in formal situations.

Veja em clipes reais

I don't know anything about that
I have no idea

Perguntas frequentes: I don't know anything about that vs I have no idea

Qual é a diferença entre I don't know anything about that e I have no idea?

I don't know anything about that: I have no information about that. I have no idea: I don't know anything about it.

Qual é mais formal: I don't know anything about that e I have no idea?

I don't know anything about that é a mais formal entre elas.

Pode mostrar um exemplo de cada?

I don't know anything about that: When asked about the event, I replied, 'I don't know anything about that.' I have no idea: Where's the nearest coffee shop? I have no idea.

Posso usar I don't know anything about that e I have no idea de forma intercambiável?

Nem sempre. I don't know anything about that e I have no idea são relacionadas e às vezes se sobrepõem, mas diferem em registro, frequência e uso, então trocar uma pela outra pode mudar o sentido ou o tom. Veja as diferenças acima antes de substituir.