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

Quand utiliser chacun en anglais, avec le sens, le registre et des exemples.

I don't know anything about that

Top 2000 (courant)

I have no idea

FamilierTop 2000 (courant)
Le plus formel: I don't know anything about that
 I don't know anything about thatI have no idea
Prononciation🇬🇧 //aɪ dəʊnt nəʊ ˈɛniθɪŋ əˈbaʊt ðat//🇺🇸 //aɪ doʊnt noʊ ˈɛniθɪŋ əˈbaʊt ðæt//🇬🇧 //aɪ hæv nəʊ ɪˈdɪə//🇺🇸 //aɪ hæv noʊ ɪˈdiə//
SensI have no information about that.I don't know anything about it.
ExempleWhen asked about the event, I replied, 'I don't know anything about that.'Where's the nearest coffee shop? I have no idea.
RegistreNeutreFamilier
FréquenceTop 2000 (courant)Top 2000 (courant)
Collocationsask about something, know nothing, have no idea, discuss a topic, provide informationhave no idea about, have no idea where, have no idea how
Antonymes-I know exactly, I am sure, I have a clear understanding
Erreurs fréquentesSaying '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.
Notes d'usageUse 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.

Vois-le dans de vrais extraits

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

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

Quelle est la différence entre I don't know anything about that et 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.

Lequel est le plus formel : I don't know anything about that et I have no idea ?

I don't know anything about that est le plus formel de tous.

Peux-tu montrer un exemple de chacun ?

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.

Puis-je utiliser I don't know anything about that et I have no idea de façon interchangeable ?

Pas toujours. I don't know anything about that et I have no idea sont proches et se recoupent parfois, mais elles diffèrent par le registre, la fréquence et l'usage, donc remplacer l'une par l'autre peut changer le sens ou le ton. Regarde les différences ci-dessus avant de substituer.