Je ne sais pas à quoi (ça sert) - I don't know what (it's for)
"Je ne sais pas de quoi tu parles" (or 'de quoi vous parlez' to be more polite)
it means "I do not know what to say or think"
"I don't know what to say"
It means- I don't know what.
In English, the meaning of "je ne sais pas qui je suis" means "I don't know who I am."
'je ne sais pas quoi faire'
"Je ne sais pas de quoi tu parles" (or 'de quoi vous parlez' to be more polite)
it means "I do not know what to say or think"
"I don't know what to say"
je ne sais pas quoi dire
"Je ne sais quoi" is a phrase often used in English to describe something that cannot be described with words, eg. someone's intelligence. The grammar would be wrong when you are speaking French: "Je ne sais pas quoi" would be more correct, but when you are using the phrase in English, "je ne sais quoi" is fine.
Je ne sais pas means 'I don't know'.
"Je ne sais pas quoi faire" But then again it depends on the sentence you use this phrase in.
"Je ne sais pas quoi sans toi" means "I don't know what without you". "J'ai vraiment besoin de toi à mes côtés" is "I really need you by my side".
In French, it literally means "I know not what". The French idiom can best be translated as "a certain something." It's used to indicate qualities that are intangible, and hard to put into words.Example: "He did well with the ladies, as he had a certain je ne sais quoi."The French pronunciation is (zhuh nuh say kwah) - ZH sound (JH) is the G in genre.The US pronunciation sounds like (jen nay say quah).
It means- I don't know what.
In English, the meaning of "je ne sais pas qui je suis" means "I don't know who I am."