“JE NE SAIS PAS”

“JE NE SAIS PAS” to express one’s ignorance or lack of information about a particular topic.
Another way of saying “JE NE SAIS PAS” (I DON’T KNOW) is “JE N’EN AI AUCUNE IDEE”.
Another way of saying “I DON’T KNOW” in English is, “I HAVE NO CLUE or I HAVEN’T GOT A CLUE.