What's That Jena Se Qua Learn The French Expression Je ne Sais Quoi

Je Ne Sais Quoi - French Expression
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First, The Correct Spelling is not Jena se quoi, it's  "Je ne sais quoi"

In English, this expression means: a certain something, something I can't quite describe/explain/ put my finger on.
This woman has a certain "je ne sais quoi" that I really like.

And it's pronounced with a strong French accent.

Meaning of "Je ne sais quoi" in French

In French, the expression "je ne sais quoi" literally means "I don't know what".

It is often used for its literal meaning, not as an idiom.
J'ai fait la vaisselle, le ménage, le répassage... et je ne sais quoi (d'autre) encore.
I did the dishes, the house-cleaning, I ironed... and I don't know what (else) more.

But we also use it just like in English - something you cannot describe. We connect "je ne sais quoi" to the adjective describing it with "de".
Cette fille a je ne sais quoi de fascinant.
There is something fascinating about that girl.

Note that the adjective is always masculine singular, even if the sentence refers to a girl/a feminine thing. The adjective actually agrees with "je ne sais quoi" which is masculine, singular.

Or we can also use it just like in English, as a noun: "un je ne sais quoi". It's often hyphenated: "un je-ne-sais-quoi" - both spelling are possible. And we often use it with "certain" as in English.
Elle avait un certain je-ne-sais-quoi de spécial : l'expression de son regard peut-être.

She had a certain special  je ne sais quoi : the expression in her eyes maybe.

Finally, like always in spoken modern French, the "je" and the "ne" will glide together, making it sound more like "jeun say kwa".

Now, I suggest you look at other French expressions used in English, or maybe the meaning and use of "quoi" in French, or again the irregular conjugation of the verb Savoir.

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