I don't know it vs I have no idea

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

I don't know it

Top 2000 (courant)

I have no idea

FamilierTop 2000 (courant)
Le plus formel: I don't know it
 I don't know itI have no idea
Prononciation🇬🇧 //aɪ dəʊnt nəʊ ɪt//🇺🇸 //aɪ doʊnt noʊ ɪt//🇬🇧 //aɪ hæv nəʊ ɪˈdɪə//🇺🇸 //aɪ hæv noʊ ɪˈdiə//
SensI am not sure about it.I don't know anything about it.
ExempleAfter hearing the question, I replied, 'I don't know it.'Where's the nearest coffee shop? I have no idea.
RegistreNeutreFamilier
FréquenceTop 2000 (courant)Top 2000 (courant)
Collocationsdon't know it well, don't know it anymore, don't know it at allhave no idea about, have no idea where, have no idea how
Antonymes-I know exactly, I am sure, I have a clear understanding
Erreurs fréquentesUsing 'know' incorrectly with a subject (e.g. 'I don't know he')., Omitting 'it' when referring to a specific thing (e.g. 'I don't know')., Confusing with 'I don't understand' which implies confusion, not lack of knowledge.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'usageUsed to express uncertainty or lack of knowledge about a topic; appropriate in both formal and informal contexts.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 it
I have no idea

Questions fréquentes : I don't know it vs I have no idea

Quelle est la différence entre I don't know it et I have no idea ?

I don't know it: I am not sure about it. I have no idea: I don't know anything about it.

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

I don't know it est le plus formel de tous.

Peux-tu montrer un exemple de chacun ?

I don't know it: After hearing the question, I replied, 'I don't know it.' I have no idea: Where's the nearest coffee shop? I have no idea.

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

Pas toujours. I don't know it 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.

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